Repair Instruction: Initialization

HINT:

The ECM memorizes the condition that the ECT controls the automatic transaxle assembly and engine assembly according to those characteristics. Therefore, when the automatic transaxle assembly, engine assembly, or ECM has been replaced, it is necessary to reset the memory so that the ECM can memorize the new information. Reset procedure is as follows.

1. Turn the ignition switch off.
2. Connect Techstream to the DLC3.
3. Turn the ignition switch on (IG) and push the Techstream main switch on.
4. Enter the following menu: Powertrain / Engine and ECT / Utility / Reset Memory. Then, press "Next".
5. Perform the reset memory procedure from the main menu.
   CAUTION: After performing the RESET MEMORY, be sure to perform ROAD TEST described earlier.

   HINT:

   The ECM is learned by performing the ROAD TEST.

HINT:

• The ID codes are the same as recognition codes for the wireless transmitter and the engine immobilizer function. Registering an ID code enables the smart key system, the wireless door lock control function and the engine immobilizer function to be operated.
• Code registration is necessary when the certification ECU (smart key ECU assembly), ID code box (immobilizer code ECU), steering lock ECU, or key is replaced with a new one.

1. Vehicles with the smart key system do not have a key slot. Therefore, hold the key close to the engine switch to register the key, as shown below.
   Fig 1: Identifying Communication Distance Engine Switch

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. The following table shows ECU replacement and key registration procedures for cases in which a malfunctioning ECU has been identified through the troubleshooting of the smart key system.

   HINT:

   • The following procedures can be performed:

     New key ID registration

     Additional key ID registration

     Key ID erasure

     All key ID erasure

     ECU code registration

   • If the customer has not brought all the registered keys, replacement of the ID code box (immobilizer code ECU) is also required.
   • A maximum of 7 keys can be registered.

1. PROCEDURE "A"

   New key ID registration (when replacing the certification ECU (smart key ECU assembly) and ID code box (immobilizer code ECU), or when replacing the certification ECU (smart key ECU assembly), ID code box (immobilizer code ECU) and steering lock ECU)

   KEY REGISTRATION (ENGINE IMMOBILIZER SYSTEM (W/ SMART KEY SYSTEM)) - PROCEDURE "A"
   
   

   Process	Procedure
   Start of registration	Connect Techstream to DLC3 Turn engine switch on (IG) Select "Body Electrical / Smart Key / Utility / Smart Code Registration" from the Techstream menu HINT:The engine switch cannot be turned on (IG) more than 10 times. After connecting Techstream, turn Techstream on while turning the driver's side door courtesy light switch on and off repeatedly at 1.5-second intervals or less to continue key registration procedure.
   Confirmation of ECU code	Perform operation according to prompts on the Techstream screen HINT: Mode is automatically selected by Techstream (new registration mode or add mode).
   Verification of unregistered key (1)	Hold unregistered key close to engine switch (For details, refer to REGISTRATION ) Confirm that wireless door lock buzzer sounds once (short beep) Place unregistered key on driver's seat Confirm that wireless door lock buzzer sounds once (short beep)
   Registration of ID code	Perform operation according to prompts on the Techstream screen
   End of registration	Finish new key ID code registration
   (1) Repeat this process for each key which is to be registered for the vehicle. Finish the procedure for each key within 30 seconds. If the procedure for any of the keys has not been finished within the specified time, perform the registration procedures again from process 1. Make sure that only 1 key is in the cabin during the registration procedures. If 2 or more keys are in the cabin simultaneously, electric waves will interfere with each other, preventing normal registration.

2. PROCEDURE "B"

   New key ID registration (when replacing the certification ECU (smart key ECU assembly))

   KEY REGISTRATION (ENGINE IMMOBILIZER SYSTEM (W/ SMART KEY SYSTEM)) - PROCEDURE "B"
   
   

   Process	Information
   Start of registration	Connect Techstream to DLC3 Turn engine switch on (IG) Select "Body Electrical / Smart Key / Utility / Smart Code Registration" from the Techstream menu HINT:The engine switch cannot be turned on (IG) more than 10 times. After connecting Techstream, turn Techstream on while turning the driver's side door courtesy light switch on and off repeatedly at 1.5-second intervals or less to continue key registration procedure.
   Confirmation of ECU code	Perform operation according to prompts on the Techstream screen HINT: Mode is automatically selected by Techstream (new registration mode or add mode).
   Confirmation of all registered keys (1)	Hold unregistered key close to engine switch (For details, refer to REGISTRATION ) Confirm that wireless door lock buzzer sounds once (short beep)
   4. Confirmation of ECU code	Perform operation according to prompts on the Techstream screen
   Verification of unregistered key (2)	Hold unregistered key close to engine switch (For details, refer to REGISTRATION ) Confirm that wireless door lock buzzer sounds once (short beep) Place unregistered key on driver's seat Confirm that wireless door lock buzzer sounds once (short beep)
   Registration of ID code	Perform operation according to prompts on the Techstream screen
   End of registration	Finish new key ID code registration
   (1) Repeat this process for each key registered for the vehicle. Finish the procedure for each key within 30 seconds. If the procedure for any of the keys has not been finished within the specified time, perform the registration procedures again from process 1. If the key confirmation procedure for a key is performed, the security indicator light comes on and remains on until all the keys are confirmed. (2) Repeat this process for each key which is to be registered for the vehicle. Finish the procedure for each key within 30 seconds. If the procedure for any of the keys is not finished within the specified time, perform the registration procedures again from 1. Make sure that only 1 key is in the cabin during the registration procedures. If 2 or more keys are in the cabin simultaneously, electric waves will interfere with each other, preventing normal registration.

3. PROCEDURE "C"

   Additional key ID registration

   KEY REGISTRATION (ENGINE IMMOBILIZER SYSTEM (W/ SMART KEY SYSTEM)) - PROCEDURE "C"
   
   

   Process	Procedure
   Start of registration	Connect Techstream to DLC3 Turn engine switch on (IG) Select "Body Electrical / Smart Key / Utility / Smart Code Registration" from the Techstream menu
   Confirmation of registered key (1)	Perform operation according to prompts on the Techstream screen HINT: Mode is automatically selected by Techstream (new registration mode or add mode) Hold unregistered key close to engine switch (For details, refer to REGISTRATION ) Confirm that wireless door lock buzzer sounds once (short beep)
   Confirmation of ECU code	Perform operation according to prompts on the Techstream screen
   Verification of unregistered key (2)	Hold unregistered key close to engine switch (For details, refer to REGISTRATION ) Confirm that wireless door lock buzzer sounds once (short beep) Place unregistered key on driver's seat Confirm that wireless door lock buzzer sounds once (short beep)
   Registration of ID code	Perform operation according to prompts on the Techstream screen
   End of registration	Finish additional key ID code registration
   (1) Perform this process for one of the keys registered for the vehicle. Finish the procedure within 30 seconds. If the procedure has not been finished within the specified time, perform the registration procedures again from process 1. (2) Repeat this process for each key which is to be registered for the vehicle. Finish the procedure for each key within 30 seconds. If the procedure for any of the keys is not finished within the specified time, perform the registration procedures again from 1. Make sure that only 1 key is in the cabin during the registration procedures. If 2 or more keys are in the cabin simultaneously, electric waves will interfere with each other, preventing normal registration.

4. PROCEDURE "D"

   Key ID erasure

   HINT:

   Erase all registered key codes except one.

   KEY REGISTRATION (ENGINE IMMOBILIZER SYSTEM (W/ SMART KEY SYSTEM)) - PROCEDURE "D"
   
   

   Process	Procedure
   Start of erasure	Connect Techstream to DLC3 Turn engine switch on (IG) Select "Body Electrical / Smart Key / Utility / Smart Code Erasure" from the Techstream menu
   Confirmation of registered key (1) HINT: Select the key that will not be erased.	Perform operation according to prompts on the Techstream screen Hold registered key close to engine switch (For details, refer to REGISTRATION ) Confirm that wireless door lock buzzer sounds once (short beep)
   Confirmation of ECU code	Perform operation according to prompts on the Techstream screen
   Erasure of ID code	Perform operation according to prompts on the Techstream screen
   End of erasure	Finish key ID code erasure
   (1) Perform this process for one of the keys registered for the vehicle. Finish the procedure within 30 seconds. If the procedure has not been finished within the specified time, perform the erasure procedures again from process 1.

5. PROCEDURE "E"

   All key ID erasure

   HINT:

   All the key codes registered in the vehicle are erased.

   KEY REGISTRATION (ENGINE IMMOBILIZER SYSTEM (W/ SMART KEY SYSTEM)) - PROCEDURE "E"
   
   

   Process	Information
   Start of erasure	Connect Techstream to DLC3 Turn engine switch on (IG) Turn Techstream on while turning driver side door courtesy light switch on and off repeatedly at 1.5-second intervals or less Select "Body Electrical / Smart Key / Utility / Smart Code Erasure" from the Techstream menu
   Confirmation of ECU code	Perform operation according to prompts on the Techstream screen
   Erasure of ID code	Perform operation according to prompts on the Techstream screen
   End of erasure	Finish key ID code erasure

6. PROCEDURE "F"

   ECU code registration

   KEY REGISTRATION (ENGINE IMMOBILIZER SYSTEM (W/ SMART KEY SYSTEM)) - PROCEDURE "F"
   
   

   Process	Procedure
   Start of registration	Connect Techstream to DLC3 Turn engine switch on (IG) Select "Body Electrical / Smart Key / Utility / ECU Communication ID Registration" from the Techstream menu
   Confirmation of registered key (1)	Hold registered key close to engine switch (For details, refer to REGISTRATION ) Confirm that wireless door lock buzzer sounds once (short beep)
   Registration of ECU code	Perform operation according to prompts on the Techstream screen
   End of registration	Finish ECU code registration
   (1) Perform this process for one of the keys registered for the vehicle. Finish the procedure within 30 seconds. If the procedure has not been finished within the specified time, perform the erasure procedures again from process 1.

7. PROCEDURE "G"

   ECU communication ID registration

   NOTE:

   • The ECU communication ID should be registered when the ID code box (immobilizer code ECU) is replaced in order to match these ECU communication IDs.
   • The engine cannot be started unless the ECU communication IDs match.
   • After the registration, pressing the engine switch may not start the engine on the first try. If so, press the engine switch again.
   • Erase DTC B2799 (code for ECM's immobilizer communication error) by either of the following:
     • Use Techstream.
     • Disconnect the battery for 30 seconds.
   1. Using SST, connect terminals TC and CG of the DLC3.

      SST 09843-18040 

      Fig 2: Connecting Terminals TC & CG Of DLC3 Using SST

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   2. Turn the engine switch on (IG) and leave it as is for 30 minutes.

      HINT:

      Do not start the engine.

   3. Turn the engine switch off and disconnect terminals TC and CG.
   4. Check that the engine starts and stays on for more than 3 seconds.
8. PROCEDURE "H"

   ECU communication ID registration

   NOTE: The ECU communication ID should be registered when the ECM is replaced in order to match the ECU communication IDs.

HINT:

The key has 2 codes: the key code (immobilizer code) and the wireless code. Both of these codes need to be registered. Refer to the page for the wireless code registration procedures.

1. When adding master keys or sub keys (Additional registration):
   1. Register the key code (immobilizer code) in the transponder key ECU.
   KEY CODE (IMMOBILIZER CODE) IN TRANSPONDER KEY ECU - ADDING MASTER KEYS OR SUB KEYS
   
   

   Target ECU	Refer to
   Transponder key ECU	Procedure "B"

2. When replacing the transponder key ECU (New registration):
   1. Register the key code (immobilizer code) in the transponder key ECU.
      KEY CODE (IMMOBILIZER CODE) IN THE TRANSPONDER KEY ECU - REPLACING TRANSPONDER KEY ECU (NEW REGISTRATION)
      
      

      Target ECU	Refer to
      Transponder key ECU	Procedure "A"

   2. Register the ECU communication ID between the new transponder key ECU and the ECM.
   KEY CODE (IMMOBILIZER CODE) IN THE TRANSPONDER KEY ECU - ID BETWEEN NEW TRANSPONDER KEY ECU AND ECM
   
   

   Target ECU	Refer to
   ECM	Procedure "D"

3. When replacing the ECM:
   1. Reregister the ECU communication ID between the transponder key ECU and the new ECM.
   REPLACING ECM
   
   

   Target ECU	Refer to
   Transponder key ECU	Procedure "E"

4. When replacing the transponder key ECU and the ECM:
   1. Register the key codes (immobilizer codes) in the new transponder key ECU.
      TRANSPONDER KEY ECU AND ECM
      
      

      Target ECU	Refer to
      Transponder key ECU	Procedure "A"

   2. Reregister the ECU communication ID between the new transponder key ECU and the new ECM.
   TRANSPONDER KEY ECU AND NEW ECM
   
   

   Target ECU	Refer to
   Transponder key ECU	Procedure "E"

5. When erasing the key code(s):
   1. Erase the key code(s) of lost key(s).
   ERASING KEY CODE(S)
   
   

   Target ECU	Refer to
   Transponder key ECU	Procedure "C"

1. New key code registration (Procedure "A"):
   NOTE: No key codes are registered in the transponder key ECU.

   HINT:

   • In this mode, a maximum of 3 key codes for 2 master keys and 1 sub-key can be registered. The master keys and sub-key can be registered in any order because the transponder key ECU can distinguish between different types of keys.
   • New key codes must be registered with the battery connected. The ignition switch can be either on or off.
   • When a new transponder key ECU is installed, key codes must be registered in the transponder key ECU.

   Automatic Key Code Registration (New Registration): 

   AUTOMATIC KEY CODE REGISTRATION (NEW REGISTRATION)
   
   

   Procedure	Security Indicator Light Condition
   Start	Blinking HINT: Until first key is inserted
   Insert the master key into the ignition key cylinder.	ON
   Techstream operation Select Body Electrical Select Immobilizer Select Utility Select Key Registration HINT: After completing the above operation, proceed to the next step in accordance with the prompts on the Techstream screen.	OFF for 1 second and then ON
   Remove the key and then push the Next button on the tester.	ON
   Insert the master key to be registered and then push the Next button on the tester.	OFF for 1 second and then ON
   Remove the key and then push the Next button on the tester.	ON
   Insert the sub-key to be registered and then push the Next button on the tester.	OFF for 1 second and then ON for 0.5 seconds and then OFF
   Remove the key.	Blinking
   End (Procedure "E")

   HINT:

   • When the engine immobilizer system is operating normally and the key is pulled out, the security indicator light blinks continuously.
   • If the new key code registration fails, code 2-1 will be output through the security indicator light. Trying to re-register an already registered key will cause code 2-2 to be output when the key is inserted. If the number of registered key codes exceeds the maximum limit, code 2-3 will be output through the security indicator light. The output details are shown below.
   Fig 3: Identifying Security Indicator Light Blinking Pattern

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Finish the automatic key code registration mode. The automatic key code registration mode can be forced to end when at least 1 key code (immobilizer code) for the master key has been registered.

   HINT:

   • w/o Techstream:

     Turn the ignition switch on and off 5 times within 10 seconds using the master key that has already been registered.

   • w/ Techstream:

     Follow the instruction on the Techstream screen to end new key code registration mode.

1. Additional registration (Procedure "B"):

   HINT:

   • A maximum of 5 key codes and 3 sub-key codes can be registered.
   • Registration mode will end if any step is not completed within the specified time.
   • When the ignition cylinder or the key cylinder set is replaced, remove the transmitter module from the original master key. Then install this transmitter module to a new key and use the new key as the master key. If necessary, use this master key to register other keys.
   NOTE: When the ignition key cylinder has been replaced, locking and unlocking doors is possible with the new master key's transmitter module (removed from the original master key). However, the new master key will not be able to lock and unlock doors through the door key cylinder. Keep the original master key. If the battery in the new master key's transmitter module fails, the original master key can be used to lock and unlock doors through the door key cylinder.

   Additional Registration: 

   ADDITIONAL REGISTRATION
   
   

   Procedure	Time to Complete Operation	Security Indicator Light Condition
   Start	-	Blinking HINT: Until first key is inserted
   Insert the already registered master key into the ignition key cylinder and turn the ignition switch on.	-	OFF
   Techstream operation Select Body Electrical Select Immobilizer Select Utility Select Key Registration HINT: After completing the above operation, proceed to the next step in accordance with the prompts on the Techstream screen.	Within 120 sec.	ON
   Remove the master key.	Within 20 sec. HINT: After tester instruction	ON
   Insert the key to be registered in the ignition key cylinder.	Within 10 sec.	Blinking
   Wait for 60 sec. after the key is registered. HINT: The security indicator light goes off.	-	OFF
   Remove the key.	-	Blinking
   End

   HINT:

   • A brief outline of key code registration procedures is shown above. For detailed information, refer to the Techstream screen.
   • When the engine immobilizer system is operating normally and the key is pulled out, the security indicator light blinks continuously.
   • If the key code registration has failed in automatic key code registration mode, code 2-1 will be output through the security indicator light. Trying to re-register an already registered key will cause code 2-2 to be output when the key is inserted. If the number of registered key codes exceeds the maximum limit, code 2-3 will be output through the security indicator light. The details are shown in procedure "A".

1. Erase key codes (Procedure "C").

   HINT:

   • Performing this procedure will erase all key codes except for the master key, which is used for erasing the key codes. In order to use a key whose code has been erased, a new key code must be registered.
   • This procedure will be canceled if each step is not completed within the specified time.

   Erasing Key Code: 

   ERASING KEY CODE
   
   

   Procedure	Time to Complete Operation	Security Indicator Light Condition
   Start	-	Blinking HINT: Until first key is inserted
   Insert the already registered master key in the ignition key cylinder and turn the ignition switch on.	-	OFF
   Techstream operation Select Body Electrical Select Immobilizer Select Utility Select Key Erasure HINT: After completing the above operation, proceed to the next step in accordance with the prompts on the Techstream screen.	Within 120 sec.	ON for 1 sec. then OFF
   Remove the master key.	Within 10 sec. HINT: After tester instruction	ON
   End

   HINT:

   • A brief outline of key code registration procedures is shown above. For detailed information, refer to the Techstream screen.
   • When the engine immobilizer system is operating normally and the key is pulled out, the security indicator light blinks continuously.

1. ECU communication ID registration (Procedure "D"):
   NOTE:

   • When the transponder key ECU is replaced, the ECU communication ID of the ECM must be registered into the transponder key ECU to match their ECU communication IDs.
   • The engine cannot be started unless the ECU communication IDs match.
   • Do not turn the ignition switch from on to off 20 times or more before setting the ECU communication ID. If this operation is likely to be performed 20 times or more, disconnect the cable from the negative battery terminal in order to avoid disabling engine start. Failure to do so will result in the engine not starting unless the transponder key ECU is replaced with a new one.
   • After the registration, turning the ignition switch to the START position may not start the engine on the first try. If so, turn the ignition switch to the START position again.
   • After the engine is started, erase DTC B2799 (code for ECM's immobilizer communication error) by either of the following:
     • Using Techstream.
     • Disconnecting the battery for 30 seconds.
   1. Using SST, connect terminals TC and CG of the DLC3.

      SST 09843-18040 

      Fig 4: Connecting Terminals TC & CG Of DLC3 Using SST

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   2. Turn the ignition switch to the ON position and leave the vehicle as is for 30 minutes.

      HINT:

      Do not start the engine.

   3. Check that the engine starts.
2. ECU communication ID registration (Procedure "E"):
   NOTE: The ECU communication ID should be registered when the ECM and transponder key ECU are replaced or when the ECM only is replaced in order to match the ECU communication ID.

HINT:

The VIN is a 17-digit alphanumeric vehicle identification number. Techstream is required to register the VIN.

1. Description

   HINT:

   This registration section consists of two parts: Read VIN and Write VIN.

   1. Read VIN: Explains the VIN reading process in a diagram. This process allows the VIN stored in the ECM to be read in order to confirm that the two VINs, provided with the vehicle and stored in the vehicle's ECM, are the same.
   2. Write VIN: Explains the VIN writing process in a diagram. This process allows the VIN to be input into the ECM. If the ECM is changed, or the ECM VIN and vehicle VIN do not match, the VIN can be registered, or overwritten in the ECM by following this procedure.
2. Read VIN
   1. Confirm the vehicle VIN.
   2. Connect Techstream to the DLC3.
   3. Turn the ignition switch on (IG).
   4. Turn the tester on.
   5. Select the following menu items: Powertrain / Engine and ECT / Utility / VIN / VIN Read.
3. Write VIN
   1. Confirm the vehicle VIN.
   2. Connect Techstream to the DLC3.
   3. Turn the ignition switch on (IG).
   4. Turn the tester on.
   5. Select the following menu items: Powertrain / Engine and ECT / Utility / VIN / VIN Write.

It is necessary to register the transmitter IDs in the tire pressure warning ECU when replacing a tire pressure warning valve and transmitter and/or tire pressure warning ECU.

Prepare all transmitter ID data before starting registration.

1. Before registration
   1. When replacing the tire pressure:
      • Read the registered transmitter IDs that are stored in the old ECU using Techstream and note them down.
      • If reading stored transmitter IDs is impossible due to malfunctions of components such as the tire pressure warning antenna and receiver, remove the tires from the wheels and check the IDs located on the tire pressure warning valves and transmitters (See TIRE PRESSURE WARNING SYSTEM ).
   2. When replacing a tire pressure warning valve and transmitter:
      • Take note of the 7-digit number (transmitter ID) written on the tire pressure warning valve and transmitter.
      Fig 5: Identifying Tire Pressure Warning Valve & Transmitter ID
      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   NOTE: The transmitter ID is written on the tire pressure warning valve and transmitter. It will be unable to be read after installing the tire onto the wheel. Therefore, take note of the transmitter ID before installing the tire onto the wheel.

1. Set the air pressure of all tires to the specified value (See TIRE PRESSURE WARNING SYSTEM ).
2. Turn the ignition switch off.
3. Connect Techstream to the DLC3.
4. Turn the ignition switch on (IG) and turn the tester ON.
5. Enter the menu items in this order: Chassis / Tire Pressure Monitor / Utility / ID Registration.
6. Perform the following procedures displayed on the screen.
7. Confirmation of transmitter ID registration.
   1. Enter the menu items in this order: Chassis / Tire Pressure Monitor/ Data List.
   2. Read the "ID Tire Inflation Pressure" values.
   3. Confirm that the data of tire pressure of all tires are displayed on the screen.
      NOTE:

      • It may take up to about 2 or 3 minutes to update the tire pressure data. If the values are not displayed after a few minutes, perform troubleshooting according to the inspection procedure for DTCs C2121/21 to C2125/25 (See DTC C2121/21, C2122/22, C2123/23, C2124/24, C2125/25, C2181/81, C2182/82, C2183/83, C2184/84, C2185/85: NO SIGNAL FROM TRANSMITTER ID1; NO SIGNAL FROM TRANSMITTER ID2; NO SIGNAL FROM TRANSMITTER ID3; NO SIGNAL FROM TRANSMITTER ID4; NO SIGNAL FROM TRANSMITTER ID5; TRANSMITTER ID1 NOT RECEIVED (TEST MODE DTC); TRANSMITTER ID2 NOT RECEIVED (TEST MODE DTC); TRANSMITTER ID3 NOT RECEIVED (TEST MODE DTC); TRANSMITTER ID4 NOT RECEIVED (TEST MODE DTC); TRANSMITTER ID5 NOT RECEIVED (TEST MODE DTC) ).
      • If the IDs have not been registered, DTC C2171/71 is set in the tire pressure warning ECU after 3 minutes or more.
      • If normal pressure values are displayed, the IDs have been registered correctly.
      • If the tire pressure values are not displayed after several minutes, the IDs may be incorrect or the system may have a malfunction.
      • After all IDs are registered, DTC C2126/26 (Transmitter ID not Received in Main Mode) is set in the tire pressure warning ECU and the tire pressure warning light blinks for 1 minute and then comes on. When the tire pressure warning ECU successfully receives radio waves from all the transmitters whose IDs are stored in the ECU, DTC C2126/26 is deleted and the tire pressure warning fight goes off.

1. Turn the ignition switch on (IG).
2. Press and hold the tire pressure warning reset switch for 3 seconds or more so that the tire pressure warning light blinks 3 times.
   Fig 6: Identifying Tire Pressure Warning Light

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Turn the ignition switch off.
4. Connect Techstream to the DLC3.
5. Enter the following menus: Chassis / Tire Pressure Monitor / Data List.
6. Check that the initialization has been completed.
7. Confirm that the tire pressure data of all tires are displayed on the tester screen.
   NOTE:

   • The initialization is normally completed within 2 to 3 minutes.
   • If the initialization has not been completed successfully, DTC C2177/77 will be set after the vehicle is driven for 20 minutes or more.
   • The initialization can be terminated by connecting terminals TC and CG of the DLC3.

Tire Pressure Monitor 

1. Clear the zero point calibration data.
   1. Turn the ignition switch off.
   2. Check that the steering wheel is in the straight-ahead position.
   3. Check that the shift lever is in the P position.
   4. Connect Techstream to the DLC3.
   5. Turn the ignition switch on (IG).
   6. Turn Techstream on.
   7. Select the skid control ECU to clear the zero point calibration data using Techstream. Enter the following menus: Chassis / ABS/VSC/TRAC / Utility / Reset Memory.
   8. Turn the ignition switch off.
      NOTE: If the ignition switch is turned on (IG) for more than 15 seconds with the shift lever in the P position after the zero points of the yaw rate and acceleration sensor have been cleared, only the zero point of the yaw rate sensor will be stored. If the vehicle is driven under these conditions, the skid control ECU will store the zero point calibration for the acceleration sensor as not being completed. The skid control ECU will then also indicate this as a malfunction of the VSC system using the indicator lights.
2. Perform the zero point calibration of the yaw rate and acceleration sensor.
   1. Turn the ignition switch off.
   2. Check that the steering wheel is in the straight-ahead position.
   3. Check that the shift lever is in the P position.
      NOTE: DTCs C1210 (zero point calibration of yaw rate sensor undone) and C1336 (zero point calibration of acceleration sensor undone) will be recorded if the shift lever is not in the P position.
   4. Connect Techstream to the DLC3.
   5. Turn the ignition switch on (IG).
   6. Turn Techstream on.
   7. Switch the skid control ECU to Test Mode using Techstream. Enter the following menus: Chassis / ABS/VSC/TRAC / Utility / Test Mode.
   8. After Test Mode has been entered, keep the vehicle stationary on a level surface for 2 seconds or more.
   9. Check that the VSC OFF indicator light comes on for several seconds and then blinks in Test Mode.

      HINT:

      • If the VSC OFF indicator light does not blink, perform zero point calibration again.
      • The zero point calibration is performed only once after the system enters Test Mode.
      • Calibration cannot be performed again until the stored data is cleared.
      Fig 7: Identifying Blinking Pattern In Test Mode

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   10. Turn the Ignition switch off and disconnect Techstream.

1. Clear the zero point calibration data.
   1. Turn the ignition switch off.
   2. Check that the steering wheel is in the straight-ahead position.
   3. Check that the shift lever is in the P position.
   4. Turn the ignition switch on (IG).
   5. The warning light and indicator light come on for 3 seconds to indicate that the initial check is completed.
   6. Using SST, connect and disconnect terminals TS and CG of the DLC3 4 times or more within 8 seconds.

      SST 09843-18040 

   7. Check that the VSC OFF indicator light comes on.
      NOTE: If the ignition switch is turned on (IG) for more than 15 seconds with the shift lever in the P position after the zero points of the yaw rate and acceleration sensor have been cleared, only the zero point of the yaw rate sensor will be stored. If the vehicle is driven under these conditions, the skid control ECU will store the zero point calibration for the acceleration sensor as not being completed. The skid control ECU will then also indicate this as a malfunction of the VSC system using the indicator lights.
2. Perform the zero point calibration of the yaw rate and acceleration sensor.
   1. Turn the ignition switch off.
   2. Check that the steering wheel is in the straight-ahead position.
      Fig 8: Identifying DLC3 Connector Terminal CG & TS

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   3. Check that the shift lever is in the P position.
      NOTE: DTCs 36 (zero point calibration of yaw rate sensor undone) and 39 (zero point calibration of acceleration sensor undone) will be recorded if the shift lever is not in the P position.
   4. Using SST, connect terminals TS and CG of the DLC3.

      SST 09843-18040 

   5. Turn the ignition switch on (IG).
   6. After Test Mode has been entered, keep the vehicle stationary on a level surface for 2 seconds or more.
      Fig 9: Identifying DLC3 Connector Terminal CG & TS

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   7. Check that the VSC OFF indicator light comes on for several seconds and then blinks in Test Mode.

      HINT:

      • If the VSC OFF indicator light does not blink, perform zero point calibration again.
      • The zero point calibration is performed only once after the system enters Test Mode.
      • Calibration cannot be performed again until the stored data is cleared.
      Fig 10: Identifying Blinking Pattern In Test Mode

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   8. Turn the ignition switch off and disconnect SST from the DLC3.

HINT:

For detailed procedures, refer to the prompts on the tester screen. The number of currently registered codes can be checked out on the first screen of the WIRELESS REGIST.

1. Turn the ignition switch to the ON position.
2. Enter the following menus: Body Electrical / Main Body / Wireless Registration.
3. Press both LOCK and UNLOCK switches within 1 to 1.5 seconds.
4. Press either switch for more than 1 second within 3 seconds.
5. Check the response to the registration completion.
   Fig 11: Identifying ECU Power Door Lock-Unlock Operation Graph

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   HINT:

   • If the LOCK-UNLOCK operation occurs twice, the registration of recognition code has failed. Perform the registration procedures again from the beginning.
   • If registering another transmitter, repeat the procedures after the tester operation. All 6 recognition codes can be registered consecutively.
6. Perform either of the following to complete the registration of recognition codes:
   • Use Techstream to send completion command.
   • Disconnect Techstream.

1. The following conditions should be met.
   • No key in the ignition key cylinder.
   • The driver side door is open (the other doors are closed).
   • The driver side door is unlocked.
2. Insert and remove the key into / from the ignition key cylinder twice (Insert → Remove → Insert → Remove) within 5 seconds.

   HINT:

   The procedure should end with the key removed.

3. Perform the following operations within 40 seconds.
   1. Close and open the driver side door twice (Close → Open → Close → Open).

      HINT:

      The procedure should end with the door open.

   2. Insert and remove the key into / from the ignition key cylinder (Insert → Remove).

      HINT:

      The procedure should end with the key removed.

   3. Close and open the driver side door twice (Close → Open → Close → Open).

      HINT:

      The procedure should end with the door open.

   4. Insert the key into the ignition key cylinder and close all doors.
4. Perform the following operations within 40 seconds.
   1. Turn the ignition switch from ON to OFF at approximately 1 second intervals, operate the ignition switch according to the number of times shown below.
      Fig 12: Identifying Ignition Switch From On To Off Operations Graph

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT:

      If the number of ignition switch ON - OFF operations is 0, 4, 6 or more, there will be no response (the power door lock and unlock operation) to show which mode has been selected.

   2. Remove the key from the ignition key cylinder.
5. Check the response of the selected mode within 5 seconds.
   Fig 13: Identifying Power Door Lock-Unlock Operation Graph

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   NOTE: After the system has been set to the prohibition mode, enter the confirmation mode and check that the number of registered keys is 0.

   HINT:

   • In the confirmation mode, LOCK-UNLOCK operation will occur once for each recognition code that has been registered. For example, if 2 recognition codes have been registered, LOCK-UNLOCK operation will occur twice.
   • In the confirmation mode, if no recognition codes have been registered, LOCK-UNLOCK operation will occur 5 times.
   • If confirmation mode or prohibition mode is selected, the operation ends after the response to the selected mode completes.
6. Within 40 seconds of completing the confirmation mode operation, press the LOCK and UNLOCK switches on the transmitter simultaneously.
7. After completing the above step, press a single switch (LOCK or UNLOCK) within 5 seconds.
8. After completing the above step, check the response to the registration completion within 3 seconds.
   Fig 14: Identifying Power Door Lock-Unlock Registration Completion Graph

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   HINT:

   • If the LOCK-UNLOCK operation occurs twice, the registration of recognition code has failed. Perform registration procedures again from the beginning.

     If registering another transmitter, repeat the procedures after the response to the selected mode confirmation. All 6 recognition codes can be registered consecutively.

9. Perform either of the following to complete the registration of recognition codes:
   • Open the door.
   • Insert the key into the ignition key cylinder.

If the initialization procedure cannot be completed normally, there may be a malfunction in the Local Interconnect Network (LIN) communication. Check the body multiplex (LIN, Local Interconnect Network) communication system.

1. Inspection procedure

   HINT:

   • *1: Even if the door glass has been fully opened before procedure No. 3, it is necessary to press the power window switch down for at least 1 second.
   • *2: As soon as the switch is pulled completely up (Automatic Closing), the master switch indicator starts to blink.
   • *3: If the master switch indicator does not come on after procedure No. 4, restart from procedure No. 3.
   • *4: Allow the automatic operation to continue without stopping until the door glass is fully closed.

   Check the body multiplex (LIN, Local Interconnect Network) system (See SYSTEM DESCRIPTION ).

   Fig 15: Identifying Local Interconnect Network (LIN) Communication Table

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. When disconnecting the cable from the battery terminal, fully close the back door to turn off the courtesy switch.

   HINT:

   If the back door is closed when disconnecting the cable from the battery terminal, it is not necessary to reset it.

1. Initialization

   HINT:

   According to the following table, proceed to the appropriate initialization procedure.

   PROCEDURE TABLE
   
   

   Sliding Roof Condition	Proceed to
   The sliding roof AUTO function does not operate.	[A]
   The sliding roof AUTO function	[B]
   Although the sliding roof AUTO function operates, the roof glass stops moving or starts moving in the opposite direction while tilting downward.	[B]
   Although the sliding roof AUTO function operates, the roof glass stops moving or starts moving in the opposite direction while sliding closed.	[C]

   1. [A] The sliding roof AUTO function does not operate.
      1. Turn the ignition switch on (IG). *1
      2. Fully close the sliding roof.
      3. Press and hold the sliding roof switch (TILT UP side) until the following movement finishes: Tilt up → stationary state for at least 1 second → tilt down → slide open → slide close.
         NOTE: Press and hold the sliding roof switch (TILT UP side) until step *2 is complete. If the switch is released before step *2 is complete, restart from step *1.
      4. Confirm that the roof glass is stopped at the fully closed position and initialization is completed. *2
   2. [B] Although the sliding roof AUTO function operates, the roof glass stops moving or starts moving in the opposite direction while tilting downward.
      1. Turn the ignition switch on (IG). *1
      2. Press and hold the sliding roof switch (TILT UP side) until the sliding roof stops.
      3. After the sliding roof stops, release the switch.
      4. Press and hold the sliding roof switch (TILT UP side) for more than 10 seconds until the following movement finishes: Tilt up → stationary state for at least 1 second → tilt down → slide open → slide close.
         NOTE: Press and hold the sliding roof switch (TILT UP side) until step *2 is complete. If the switch is released before step *2 is complete, restart from step *1.
      5. Confirm that the roof glass is stopped at the fully closed position and initialization is complete. *2
      6. Confirm that the sliding roof can be normally operated with the AUTO function.
   3. [C] Although the sliding roof AUTO function operates, the roof glass stops moving or starts moving in the opposite direction while sliding closed.
      1. Turn the ignition switch on (IG). *1
      2. Press and hold sliding roof switch (TILT UP side) until the following movement finishes: Slide close → roof glass stops moving or starts moving in the opposite direction → stationary for at least 10 seconds → slide close.
         NOTE: Press and hold sliding roof switch (TILT UP side) until step *2 is complete. If the switch is released before step *2 is complete, restart from step *1.
      3. After the sliding roof has stopped at the fully closed position, release the switch. *2
      4. Follow the initialization procedure described in [A] (The sliding roof AUTO function does not function.)