Inspection Procedure

1. Turn the power switch off and wait 10 seconds.
2. Turn the power switch on (IG).
3. Turn the power switch off and wait 10 seconds.
4. Connect the Techstream to the DLC3.
5. Turn the power switch on (IG) and turn the Techstream switch on.
6. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
7. Confirm the DTCs and freeze frame data.

EVAP Related DTCs 

DTC and Malfunction Cross-Reference 

1. Clear the DTCs with the Techstream.
2. Remove the fuel tank cap and reinstall the fuel cap.
3. Enter the following menus: Powertrain / Engine and ECT / Utility / Evaporative System Check / Automatic Mode.
4. After the Evaporative System Check is completed, check for pending DTCs.

Result 

B: Go to step   34

C: END 

A: Go to Next Step 

1. Refer to the table below to determine the next procedure according to the output DTCs.

Result 

B: Go to step   11

C: Go to step   15

D: Go to step   6

A: Go to Next Step 

1. Refer to the table below to determine the next procedure according to the output DTCs.

Result 

B: Go to step  15

C: Go to step  21

D: Go to step   23

A: Go to Next Step 

1. Disconnect the hose (to the intake air connector) from the purge VSV.
   Fig 1: Identifying Vacuum Hose (Purge VSV - Throttle Body)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Start the engine.
3. Use your finger and confirm that the purge VSV has suction.

Result 

NG: Go to step  33

OK: Go to Next Step 

1. Disconnect the hose (to canister) from the purge VSV.
2. Start the engine.
3. Enter the following menus on the Techstream: Powertrain / Engine and ECT / Active Test / Active the VSV for EVAP Control.
4. Turn the purge VSV OFF.
5. Use your finger and confirm that the purge VSV has no suction.
6. Turn the Purge VSV ON.
7. Use your finger and confirm that the purge VSV has suction.

   OK: 

Purge VSV functions normally 

Fig 2: Identifying Purge VSV ON And OFF Position

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Result 

B: Go to step   19

A: Go to Next Step 

1. Remove the purge VSV.
2. Apply compressed air to the purge VSV, and confirm that no air flows from A to B as shown in the illustration.
3. Apply battery voltage to the purge VSV.
4. While applying compressed air, confirm that air flows from A to B as shown in the illustration.
   Fig 3: View OfCompressed Air & Purge VSV

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Result 

NG: Go to step   27

OK: Go to Next Step 

1. Disconnect the purge VSV connector.
   Fig 4: Identifying Purge VSV Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Turn the power switch on (IG).
3. Measure the voltage between terminal 1 of the B29 connector and body ground.

Result 

NG: Go to step   32

OK: Go to Next Step 

1. Disconnect the hybrid vehicle control ECU connector and the B29 purge VSV connector.
   Fig 5: Identifying Hybrid Vehicle Control ECU Connector And B29 Purge VSV Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value (s) in the table below.

Standard resistance 

NG: Go to step   32

OK: Go to Next Step 

1. Replace the hybrid vehicle control ECU (See REMOVAL ).

NEXT: PERFORM EVAP SYSTEM CHECK AGAIN (AUTOMATIC MODE) 

1. Turn the power switch off.
2. Remove the canister lower cover.
3. Disconnect the canister pump module connector.
   Fig 6: Identifying Canister Pump Module (Power Source Circuit)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Connect the Techstream to the DLC3.
5. Turn the power switch on (IG).
6. Enter the following menus: Powertrain / Engine and ECT / Active Test / Activate the Vacuum Pump.
7. Turn the vacuum pump on using the Techstream.
8. Measure the voltage between terminals 1 and 6 of the O42 connector.

   Standard voltage: 10 to 14 V 

   Result 

   RESULT CHART
   
   

   Voltage	Proceed to
   Out of standard range	A
   within standard range	B

B: Go to step  15

A: Go to Next Step 

1. Turn the power switch off.
2. Measure the resistance between terminal 042-6 and body ground.

Standard resistance: Below 10 Ω 

NG: Go to step   32

Fig 7: Identifying Of Harness And Connector (Vacuum Pump - Body Ground)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to Next Step 

1. Disconnect the hybrid vehicle control ECU connector.
   Fig 8: Identifying Harness And Connector (Vacuum Pump - Hybrid Vehicle Control ECU)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value (s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   D36-6 (MPMP) - O42-1	Always	10 Ω or less
   D36-6 (MPMP) or O42-1 - Body ground	Always	10 kΩ or more

3. Connect the hybrid vehicle control ECU connector.

NG: Go to step   32

OK: Go to Next Step 

1. Replace the hybrid vehicle control ECU (See REMOVAL ).

NEXT: PERFORM EVAP SYSTEM CHECK AGAIN (AUTOMATIC MODE) 

1. Turn the power switch off.
2. Remove the canister lower cover.
3. Disconnect the canister pump module connector.
   Fig 9: Locating Canister Pump Module (Power Source Circuit)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Connect the Techstream to the DLC3.
5. Turn the power switch on (IG).
6. Enter the following menus: Powertrain / Engine and ECT / Active Test / Activate the Vacuum Pump.
7. Turn the vacuum pump on using the Techstream.
8. Measure the voltage between terminals 8 and 9 of the O42 connector and body ground.

   Standard voltage: 10 to 14 V 

   Result 

   RESULT CHART
   
   

   Voltage	Proceed to
   Out of standard range	A
   within standard range	B

B: Go to step  28

A: Go to Next Step 

1. Turn the power switch off.
2. Measure the resistance between terminal O42-9 and body ground.

Standard resistance: Below 10 Ω 

NG: Go to step   32

Fig 10: Identifing Harness And Connector (Vent Valve - Body Ground)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to Next Step 

1. Disconnect the hybrid vehicle control ECU connector.
   Fig 11: Identifying Harness And Connector (Vent Valve - Hybrid Vehicle Control ECU)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value (s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   D36-16 (VPMP) - O42-8	Always	10 Ω or less
   D36-16 (VPMP) or O42-8 - Body ground	Always	10 kΩ or more

3. Connect the hybrid vehicle control ECU connector.

NG: Go to step   32

OK: Go to Next Step 

1. Replace the hybrid vehicle control ECU (See REMOVAL ).

1. Remove the canister cover.
2. Connect the pressure gauge (SST) to the canister pump module with the adapter.
   Fig 12: Identifying Pressure Gauge & Canister Pump Module With Adapter

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Pressurize the EVAP system to between 3.2 and 3.7 kPa (24 and 28 mmHg).
   NOTE: More than 4.7 kPa (35 mmHg) of pressure will damage the EVAP system. Pay attention to the pressure.
4. Apply soapy water to the piping and connections of the EVAP system. Look for the area where bubbles appear.

   HINT:

   • If the system has leaks, a whistling sound will be heard.
   • Disconnect the hose between the canister and fuel tank from the canister. Close the canister on the area where the hose was connected and perform an inspection. The fuel tank can be eliminated from the suspected areas for leak checks.

NEXT: PERFORM EVAP SYSTEM CHECK AGAIN (AUTOMATIC MODE) 

1. Check if the fuel cap is tightened until a few "click" sounds are heard.
2. If you have the EVAP tester, check the fuel cap using the fuel cap adaptor.
   1. Install the fuel cap to the fuel cap adaptor, and connect the hose from the EVAP tester's pump.
   2. Pressurize the fuel cap adaptor to between 3.2 and 3.7 kPa (24 and 28 mmHg) or for 45 seconds.
   3. Stop the pump and seal the fuel cap adaptor.
   4. Wait 2 minutes.
   5. Confirm that the pressure is higher than 2.0 kPa (15 mmHg).

      OK: Higher than 2.0 kPa (15 mmHg) 

NG: Go to step  31

OK: Go to Next Step 

1. Remove the canister cover.
2. Connect the pressure gauge (SST) to the canister pump module with the adapter.
   Fig 13: Identifying Pressure Gauge & Canister Pump Module With Adapter

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Connect the Techstream to the DLC3.
4. Turn the power switch on (IG).
5. Enter the following menus: Powertrain / Engine and ECT / Active Test / Activate the Fuel Vapor-Containment Valve.
6. Turn the fuel vapor-containment valve ON using the Techstream.
7. Pressurize the EVAP system to between 3.2 and 3.7 kPa (24 and 28 mmHg).
   NOTE: More than 4.7 kPa (35 mmHg) of pressure will damage the EVAP system. Pay attention to the pressure.
8. Apply soapy water to the piping and connections of the EVAP system. Look for the area where bubbles appear.

   HINT:

   • If the system has leaks, a whistling sound will be heard.
   • Disconnect the hose between the canister and fuel tank from the canister. Close the canister on the area where the hose was connected and perform an inspection. The fuel tank can be eliminated from the suspected areas for leak checks.

1. Turn the power switch off.
2. Disconnect the Ok1 connector.
3. Connect the Techstream to the DLC3.
4. Turn the power switch on (IG).
5. Enter the following menus: Powertrain / Engine and ECT / Active Test / Activate the Fuel Vapor-Containment Valve.
6. Turn the fuel vapor-containment valve ON using the Techstream.
   Fig 14: Identifying Fuel Vapor-Containment Valve Assembly (Power Source Circuit)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
7. Measure the voltage between terminals 3 and 7 of the Ok1 connector.

   Standard voltage: 10 to 14 V 

   Result 

   RESULT CHART
   
   

   Voltage	Proceed to
   Out of standard range	A
   within standard range	B

B: Go to step   29

A: Go to Next Step 

1. Turn the power switch on (IG).
2. Measure the voltage between terminal Ok1-3 and body ground.

   Standard voltage: 10 to 14 V 

NG: Go to step  32

Fig 15: Identifying Harness And Connector (Tank Close Valve - IGCT No. 4 Fuse)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to Next Step 

1. Disconnect the hybrid vehicle control ECU connector.
   Fig 16: Identifying Harness And Connector (Tank Close Valve - Hybrid Vehicle Control ECU)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value (s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   D36-12 (CCV2) - Ok1-3	Always	10 Ω or less
   D36-12 (CCV2) or Ok1-3 - Body ground	Always	10 kΩ or more

3. Connect the hybrid vehicle control ECU connector.

NG: Go to step  32

OK: Go to Next Step 

1. Replace the hybrid vehicle control ECU (See REMOVAL ).

NEXT: PERFORM EVAP SYSTEM CHECK AGAIN (AUTOMATIC MODE) 

1. Replace the purge VSV (See PURGE VALVE ).

NEXT: PERFORM EVAP SYSTEM CHECK AGAIN (AUTOMATIC MODE) 

1. Replace the canister assembly (See CANISTER ).

NEXT: PERFORM EVAP SYSTEM CHECK AGAIN (AUTOMATIC MODE) 

1. Remove the fuel tank assembly. (See REMOVAL )
2. Disconnect the fuel vapor-containment valve connector.
   Fig 17: Identifying Harness And Connector (Tank Wire Harness)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Measure the resistance according to the value (s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   Ok1-3 - k3-1	Always	Below 1 Ω
   Ok1-7 - k3-2	Always	Below 1 Ω

4. Reinstall the fuel tank assembly. (See INSTALLATION )

NG: Go to step   32

OK: Go to Next Step 

1. Replace the fuel vapor-containment valve (See REMOVAL ).

NEXT: PERFORM EVAP SYSTEM CHECK AGAIN (AUTOMATIC MODE) 

NEXT: PERFORM EVAP SYSTEM CHECK AGAIN (AUTOMATIC MODE) 

NEXT: PERFORM EVAP SYSTEM CHECK AGAIN (AUTOMATIC MODE) 

NEXT: PERFORM EVAP SYSTEM CHECK AGAIN (AUTOMATIC MODE) 

HINT:

In the manual operation check, the EVAP system can be checked in several steps. Valve operation and pressure in each step can also be checked.

1. Clear the DTCs (See DTC CHECK / CLEAR ).
2. Remove the fuel tank cap and reinstall the fuel tank cap.
3. Select the following menu items: Powertrain / Engine and ECT / Utility / Evaporative System Check / Manual Mode.

Tester Display 

Manual Operation Step 

Fig 18: EVAP System Timing Chart

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Select step 1 and wait 10 seconds.

1. Perform step 2.
2. Check the EVAP pressure 2 seconds after the vacuum pump is activated*.

   *: The vacuum pump begins to operate at the start of step 2.

   Fig 19: EVAP And Fuel Tank Pressure Chart - Step 2 (1 Of 2)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Check the EVAP pressure again when it has stabilized. This pressure is the first reference pressure standard.

Fig 20: EVAP And Fuel Tank Pressure Chart - Step 2 (2 Of 2)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Result 

B: Go to step   50

C: Go to step  65

A: Go to Next Step 

1. Perform step 3.
2. Check the EVAP pressure change in step 3.
   Fig 21: EVAP And Fuel Tank Pressure Chart - Step 3 (1 Of 3)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Result 

   RESULT CHART
   
   

   Test Results	Suspected Trouble Areas	Proceed to
   EVAP pressure change in step (b) is 0.3 kPa (2.25 mmHg) or more	Not yet determined	A
   EVAP pressure in step (b) is below 0.3 kPa (2.25 mmHg)	Vent valve stuck OFF	B

3. Check the fuel tank pressure change in step 3.
   Fig 22: EVAP And Fuel Tank Pressure Chart - Step 3 (2 Of 3)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Result 

   RESULT CHART
   
   

   Test Results	Suspected Trouble Areas	Proceed to
   Fuel tank pressure in step (b) is below 0.5 kPa (3.7S mmHg)	Not yet determined	A
   Fuel tank pressure change in step (b) is 0.5 kPa (3.75 mmHg) or more	Fuel vapor-containment valve stuck ON (open)	C

4. Check the EVAP pressure again when it has stabilized. This pressure is the canister leak pressure standard.
5. Compare the first reference pressure with the canister leak pressure.

Fig 23: EVAP And Fuel Tank Pressure Chart - Step 3 (3 Of 3)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Result 

B: Go to step  54

C: Go to step   60

D: Go to step   45

A: Go to Next Step 

1. Perform step 4.
2. Check the EVAP pressure change in step 3.

Fig 24: EVAP And Fuel Tank Pressure Chart - Step 4

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Result 

B: Go to step   44

A: Go to Next Step 

1. Perform step 5 and wait 60 seconds.
2. Check the EVAP pressure. This pressure is the second reference pressure standard.

1. Perform step 6 and wait 5 seconds.

1. Perform step 7.
2. Check that the tank pressure and EVAP pressure change.
3. Check the tank pressure again when it has stabilized. This pressure is the fuel tank leak pressure standard.
   Fig 25: EVAP And Fuel Tank Pressure Chart - Step 7

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Result 

B: Go to step  60

A: Go to Next Step 

1. Perform step 8 and wait 60 seconds.
2. Check the EVAP pressure. This pressure is the third reference pressure standard.
3. Compare the tank pressure checked in step 41 with the third reference pressure.

Fig 26: EVAP And Fuel Tank Pressure Chart - Step 8

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Result 

B: Go to step   67

A: Go to Next Step 

1. KEY-OFF MONITOR DRIVE PATTERN
   1. Connect the Techstream to the DLC3.
   2. Confirm the following conditions are satisfied:
      • The fuel level is less than 90%.
      • The altitude is less than 8000 ft. (2400 m).
      • The vehicle is stopped (the vehicle speed is less than 2 mph).
      • The engine coolant temperature is 4.4 to 35°C (40 to 95°F)
      • The intake air temperature is 4.4 to 35°C (40 to 95°F)
   3. Perform the drive pattern:
      1. Allow the engine to idle for 5 minutes or more.
      2. Turn the power switch off and wait 6 hours.
   4. Check the monitor status with the Techstream.
2. PURGE FLOW MONITOR DRIVE PATTERN (P0441)
   1. Connect the Techstream to the DLC3.
   2. Confirm that the following conditions are satisfied:
      • The engine coolant temperature is more than 4.4°C (40°F).
      • The intake air temperature is more than 4.4°C (40°F).
   3. Perform the drive pattern:
      1. Remove and reinstall the fuel cap to release the fuel tank pressure.
      2. Warm up the engine until the engine coolant temperature reaches 75°C (167°F) or more.
      3. Run the engine at 3000 rpm once.
      4. Allow the engine to idle and turn on the air conditioning (A/C) for 1 minute.
   4. Check the monitor status with the Techstream.

NEXT: PERFORM EVAP SYSTEM CHECK AGAIN (AUTOMATIC MODE) 

1. Disconnect the hose (to intake air connector) from the purge VSV.
   Fig 27: View Of Hose & Purge VSV

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Start the engine.
3. Use your finger and confirm that the purge VSV has suction.

Result 

NG: Go to step   69

OK: Go to Next Step 

1. Disconnect the hose (to canister) from the purge VSV.
2. Start the engine.
3. Enter the following menus on Techstream: Powertrain / Engine and ECT / Active Test / Active the VSV for EVAP Control.
4. Turn the purge VSV OFF.
5. Use your finger and confirm that the purge VSV has no suction.
6. Turn the purge VSV ON.
7. Use your finger and confirm that the purge VSV has suction.

   OK: Purge VSV functions normally 

   Fig 28: Identifying Purge VSV Function

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Result 

B: Go to step   58

A: Go to Next Step 

1. Remove the purge VSV.
2. Apply compressed air to the purge VSV, and confirm that no air flows from A to B as shown in the illustration.
3. Apply battery voltage to the purge VSV.
4. While applying compressed air, confirm that air flows from A to B as shown in the illustration.
   Fig 29: Identifying Purge VSV

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Result 

NG: Go to step   64

OK: Go to Next Step 

1. Disconnect the purge VSV connector.
   Fig 30: Identifying Harness And Connector (Purge VSV - EFI No. 3 Fuse)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Turn the power switch on (IG).
3. Measure the voltage between terminal 1 of the B29 connector and body ground.

Result 

NG: Go to step   68

OK: Go to Next Step 

1. Disconnect the hybrid vehicle control ECU connector and the B29 purge VSV connector.
   Fig 31: Identifying Harness And Connector (Purge VSV - Hybrid Vehicle Control ECU)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value (s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   B1-17 (PRG) - B29-2	Always	10 Ω or less
   B1-17 (PRG) or B29-2-Body ground	Always	10 kΩ or more

3. Connect the hybrid vehicle control ECU connector.

NG: Go to step   68

OK: Go to Next Step 

1. Replace the hybrid vehicle control ECU (See REMOVAL ).

NEXT: PERFORM EVAP SYSTEM CHECK AGAIN (AUTOMATIC MODE) 

1. Turn the power switch off.
2. Remove the canister lower cover.
3. Disconnect the canister pump module connector.
   Fig 32: Identifying Canister Pump Module (Power Source Circuit)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Connect the Techstream to the DLC3.
5. Turn the power switch on (IG).
6. Enter the following menus: Powertrain / Engine and ECT / Active Test / Activate the Vacuum Pump.
7. Turn the vacuum pump on using the tester.
8. Measure the voltage between terminals 1 and 6 of the O42 connector.

Standard voltage: 10 to 14 V 

Result 

B: Go to step   54

A: Go to Next Step 

1. Turn the power switch off.
2. Measure the resistance between terminal O42-6 and body ground.

Standard resistance: Below 10 Ω 

NG: Go to step   69

Fig 33: Identifying Harness And Connector (Vacuum Pump - Body Ground)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to Next Step 

1. Disconnect the hybrid vehicle control ECU connector.
   Fig 34: Identifying Harness And Connector (Vacuum Pump - Hybrid Vehicle Control ECU)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value (s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   D36-6 (MPMP) - O42-1	Always	10 Ω or less
   D36-6 (MPMP) or O42-1 - Body ground	Always	10 kΩ or more

3. Connect the hybrid vehicle control ECU connector.

NG: Go to step   68

OK: Go to Next Step 

1. Replace the hybrid vehicle control ECU (See REMOVAL ).

NEXT: PERFORM EVAP SYSTEM CHECK AGAIN (AUTOMATIC MODE) 

1. Turn the power switch off.
2. Remove the canister lower cover.
3. Disconnect the canister connector.
   Fig 35: Identifying Canister Pump Module (Power Source Circuit)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Connect the Techstream to the DLC3.
5. Turn the Power switch on (IG).
6. Enter the following menus: Powertrain / Engine and ECT / Active Test / Activate the Vacuum Pump.
7. Turn the vacuum pump on using the tester.
8. Measure the voltage between terminals 8 and 9 of the O42 connector and body ground.

Standard voltage: 10 to 14 V 

Result 

B: Go to step  65

A: Go to Next Step 

1. Turn the power switch off.
2. Measure the resistance between terminal O42-9 and body ground.

Standard resistance: Below 10 Ω 

NG: Go to step   68

Fig 36: Identifying Harness And Connector (Vent Valve - Body Ground)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to Next Step 

1. Disconnect the hybrid vehicle control ECU connector.
   Fig 37: Identifying Harness And Connector (Vent Valve - Hybrid Vehicle Control ECU)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value (s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   D36-16 (VPMP) - O42-8	Always	10 Ω or less
   D36-16 (VPMP) or O42-8 - Body ground	Always	10 kΩ or more

3. Connect the hybrid vehicle control ECU connector.

NG: Go to step   68

OK: Go to Next Step 

1. Replace the hybrid vehicle control ECU (See REMOVAL ).

1. Remove the canister cover.
2. Connect the pressure gauge (SST) to the canister pump module with the adapter.
   Fig 38: Identifying Pressure Gauge & Canister Pump Module With Adapter

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Pressurize the EVAP system to between 3.2 and 3.7 kPa (24 to 28 mmHg).
   NOTE: More than 4.7 kPa (35 mmHg) of pressure will damage the EVAP system. Pay attention to the pressure.
4. Apply soapy water to the piping and connecting parts of the EVAP system. Look for the area where bubbles appear.

   HINT:

   • If the system has leaks, a whistling sound will be heard.
   • Disconnect the hose between the canister and fuel tank from the canister. Close the canister on the area where the hose was connected and perform an inspection. The fuel tank can be eliminated from the suspected areas for leak checks.

NEXT: PERFORM EVAP SYSTEM CHECK AGAIN (AUTOMATIC MODE) 

1. Turn the power switch off.
2. Disconnect the Ok1 connector.
3. Connect the Techstream to the DLC3.
4. Turn the power switch on (IG).
5. Enter the following menus: Powertrain / Engine and ECT / Active Test / Activate the Fuel Vapor-Containment Valve.
6. Turn the fuel vapor-containment valve ON using the tester.
   Fig 39: Identifying Fuel Vapor-Containment Valve Assembly (Power Source Circuit)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
7. Measure the voltage between terminals 3 and 7 of the Ok1 connector.

Standard voltage: 10 to 14 V 

Result 

B: Go to step   66

A: Go to Next Step 

1. Turn the power switch on (IG).
2. Measure the voltage between terminal Ok1-3 and body ground.

Standard voltage: 10 to 14 V 

NG: Go to step   68

Fig 40: Identifying Harness And Connector (Tank Close Valve - IGCT No. 4 Fuse)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to Next Step 

1. Disconnect the hybrid vehicle control ECU connector.
   Fig 41: Identifying Harness And Connector (Tank Close Valve - Hybrid Vehicle Control ECU)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value (s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   D36-12 (CCV2) - Ok1-3	Always	10 Ω or less
   D36-12 (CCV2) or Ok1-3 - Body ground	Always	10 kΩ or more

3. Connect the hybrid vehicle control ECU connector.

NG: Go to step   68

OK: Go to Next Step 

1. Replace the hybrid vehicle control ECU (See REMOVAL ).

NEXT: PERFORM EVAP SYSTEM CHECK AGAIN (AUTOMATIC MODE) 

1. Replace the purge VSV (See PURGE VALVE ).

NEXT: PERFORM EVAP SYSTEM CHECK AGAIN (AUTOMATIC MODE) 

1. Replace the canister assembly (See CANISTER ).

NEXT: PERFORM EVAP SYSTEM CHECK AGAIN (AUTOMATIC MODE) 

1. Remove the fuel tank assembly. (See REMOVAL )
2. Disconnect the fuel vapor-containment valve connector.
   Fig 42: identifying Harness And Connector (Tank Wire Harness)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Measure the resistance according to the value (s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   Ok1-3 - k3-1	Always	Below 1 Ω
   Ok1-7 - k3-2	Always	Below 1 Ω

4. Reinstall fuel tank assembly. (See INSTALLATION )

NG: Go to step   68

OK: Go to Next Step 

1. Replace the Fuel vapor- containment Valve (See REMOVAL ).

NEXT: PERFORM EVAP SYSTEM CHECK AGAIN (AUTOMATIC MODE) 

NEXT: PERFORM EVAP SYSTEM CHECK AGAIN (AUTOMATIC MODE) 

NEXT: PERFORM EVAP SYSTEM CHECK AGAIN (AUTOMATIC MODE)