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Problem Symptoms Table

HINT:

If a normal code is displayed during the DTC check but the trouble still occurs, check the circuits for each symptom in the order given in the tables on the following references and proceed to the reference given for troubleshooting.

The Matrix Chart is divided into 3 chapters.

CHAPTER 1: ELECTRONIC CIRCUIT MATRIX CHART 

HINT:

*1: When the circuit on which mark *1 is attached is a malfunction, DTC could be output (See DTC CHECK/CLEAR  ).

ELECTRONIC CIRCUIT MATRIX SYMPTOMS CHAPTER 1

Symptom Suspect Area Reference
No upshift (A particular gear, from 1st to 3rd gear, is not up-shifted)
  1. ECM
  1. ELECTRONIC CIRCUIT INSPECTION PROCEDURE
No upshift (3rd --> O/D)
  1. O/D main switch circuit
  2. ECM
  1. O/D MAIN SWITCH CIRCUIT 
  2. ELECTRONIC CIRCUIT INSPECTION PROCEDURE
No downshift (O/D --> 3rd)
  1. O/D main switch circuit
  2. ECM
 O/D MAIN SWITCH CIRCUIT 
ELECTRONIC CIRCUIT INSPECTION PROCEDURE
No downshift (A particular gear, from 3rd to 1st gear, is not down-shifted) ECM ELECTRONIC CIRCUIT INSPECTION PROCEDURE
No lock up or No lock up off
  1. Stop light switch circuit *1
  2. Engine coolant temp, sensor circuit *1
  3. Throttle position sensor circuit *1
  4. ECM
  1. DTC P0724 BRAKE SWITCH "B" CIRCUIT HIGH 
  2. DIAGNOSTIC TROUBLE CODE TABLE 
  3. DIAGNOSTIC TROUBLE CODE TABLE 
  4. ELECTRONIC CIRCUIT INSPECTION PROCEDURE
Shift point too high or too low
  1. ECM
  1. ELECTRONIC CIRCUIT INSPECTION PROCEDURE
Up shift to 2nd while in L position
  1. ECM
  1. ELECTRONIC CIRCUIT INSPECTION PROCEDURE
Upshift to 3rd while in 2 position
  1. ECM
  1. ELECTRONIC CIRCUIT INSPECTION PROCEDURE
Upshift to O/D from 3rd while O/D main switch is OFF
  1. O/D main switch circuit
  2. ECM
  1. O/D MAIN SWITCH CIRCUIT 
  2. ELECTRONIC CIRCUIT INSPECTION PROCEDURE
Upshift to O/D from 3rd while engine is cold
  1. ECM
  1. ELECTRONIC CIRCUIT INSPECTION PROCEDURE
Harsh engagement (N --> D)
  1. ECM
  1. ELECTRONIC CIRCUIT INSPECTION PROCEDURE
Harsh engagement (Lock-up)
  1. ECM
  1. ELECTRONIC CIRCUIT INSPECTION PROCEDURE
Harsh engagement (Any driving position)
  1. ECM
  1. ELECTRONIC CIRCUIT INSPECTION PROCEDURE
Poor acceleration
  1. ECM
  1. ELECTRONIC CIRCUIT INSPECTION PROCEDURE
Engine stalls when starting off or stopping
  1. ECM
  1. ELECTRONIC CIRCUIT INSPECTION PROCEDURE
No kick down
  1. ECM
  1. ELECTRONIC CIRCUIT INSPECTION PROCEDURE
Malfunction in shifting
  1. Park/neutral position switch circuit *1
  2. ECM
  1. DTC P0705 TRANSMISSION RANGE SENSOR CIRCUIT MALFUNCTION (PRNDL INPUT) 
  2. ELECTRONIC CIRCUIT INSPECTION PROCEDURE

Chapter 2: On-vehicle Repair 

ON-VEHICLE REPAIR CHAPTER 2

Symptom Suspect Area Reference
Vehicle does not move in any forward position and reverse position
  1. Manual valve
  2. Valve body assy (Primary regulator valve)
  3. Valve body assy (Secondary regulator valve)
  4. Off-vehicle repair matrix chart
  1. *
  2. TRANSMISSION VALVE BODY ASSY (ATM)
  3. TRANSMISSION VALVE BODY ASSY (ATM)
  4. -
Vehicle does not move in R position
  1. Manual valve
  2. Off-vehicle repair matrix chart
  1. *
  2. -
No upshift (1st --> 2nd)
  1. Valve body assy (1-2 shift valve)
  2. Off-vehicle repair matrix chart
  1. TRANSMISSION VALVE BODY ASSY (ATM)
  2. -
No upshift (2nd --> 3rd)
  1. Valve body assy (2-3 shift valve)
  2. Off-vehicle repair matrix chart
  1. TRANSMISSION VALVE BODY ASSY (ATM)
  2. -
No upshift (3rd --> O/D)
  1. Valve body assy (3-4 shift valve)
  2. Off-vehicle repair matrix chart
  1. TRANSMISSION VALVE BODY ASSY (ATM)
  2. -
No downshift (O/D --> 3rd)
  1. Valve body assy (3-4 shift valve)
  1. TRANSMISSION VALVE BODY ASSY (ATM)
No downshift (3rd --> 2nd)
  1. Valve body assy (2-3 shift valve)
  1. TRANSMISSION VALVE BODY ASSY (ATM)
No downshift (2nd --> 1st)
  1. Valve body assy (1-2 shift valve)
  1. TRANSMISSION VALVE BODY ASSY (ATM)
No lock up or No lock up off
  1. Valve body assy (Lock-up relay valve)
  2. Valve body assy (Lock-up control valve)
  3. Valve body assy (Solenoid relay valve)
  4. Valve body assy (Solenoid modulator valve)
  5. Off-vehicle repair matrix chart
  1. TRANSMISSION VALVE BODY ASSY (ATM)
  2. TRANSMISSION VALVE BODY ASSY (ATM)
  3. TRANSMISSION VALVE BODY ASSY (ATM)
  4. TRANSMISSION VALVE BODY ASSY (ATM)
  5. -
Harsh engagement (N --> D)
  1. Valve body assy (C1 accumulator)
  2. Valve body assy (Accumulator control valve)
  3. Off-vehicle repair matrix chart
  1. TRANSMISSION VALVE BODY ASSY (ATM)
  2. TRANSMISSION VALVE BODY ASSY (ATM)
  3. -
Harsh engagement (N --> R)
  1. C3 accumulator
  2. Valve body assy (Accumulator control valve)
  3. Valve body assy (Reverse control valve)
  4. Off-vehicle repair matrix chart
  1. *
  2. TRANSMISSION VALVE BODY ASSY (ATM)
  3. TRANSMISSION VALVE BODY ASSY (ATM)
  4. -
Harsh engagement (Lock-up)
  1. Valve body assy (Lock-up relay valve)
  2. Valve body assy (Accumulator control valve)
  3. Valve body assy (Lock-up control valve)
  4. Off-vehicle repair matrix chart
  1. TRANSMISSION VALVE BODY ASSY (ATM)
  2. TRANSMISSION VALVE BODY ASSY (ATM)
  3. TRANSMISSION VALVE BODY ASSY (ATM)
  4. -
Harsh engagement (1st --> 2nd)
  1. B2 accumulator
  2. Valve body assy (Accumulator control valve)
  1. *
  2. TRANSMISSION VALVE BODY ASSY (ATM)
 
Harsh engagement (2nd --> 3rd)
  1. C2 accumulator
  2. Valve body assy (Accumulator control valve)
  1. *
  2. TRANSMISSION VALVE BODY ASSY (ATM)
Harsh engagement (3rd --> O/D)
  1. Valve body assy (B1 accumulator)
  2. Valve body assy (Accumulator control valve)
  3. Valve body assy (3-4 shift timing valve)
  1. TRANSMISSION VALVE BODY ASSY (ATM)
  2. TRANSMISSION VALVE BODY ASSY (ATM)
  3. TRANSMISSION VALVE BODY ASSY (ATM)
Harsh engagement (O/D --> 3)
  1. Valve body assy (3-4 shift timing valve)
  2. Valve body assy (4-3 shift timing valve)
  1. TRANSMISSION VALVE BODY ASSY (ATM)
  2. TRANSMISSION VALVE BODY ASSY (ATM)
Harsh engagement (D, 2, L position)
  1. Valve body assy (Coast relay valve)
  1. TRANSMISSION VALVE BODY ASSY (ATM)
Slip or shudder (Forward and reverse)
  1. Valve body assy (Oil strainer)
  2. Off-vehicle repair matrix chart
  1. TRANSMISSION VALVE BODY ASSY (ATM)
  2. -
No engine braking (1st: L position)
  1. Valve body assy (Reverse control valve)
  2. Off-vehicle repair matrix chart
  1. TRANSMISSION VALVE BODY ASSY (ATM)
  2. -
No engine braking (2nd: 2 position)
  1. Valve body assy (3-4 shift valve)
  1. TRANSMISSION VALVE BODY ASSY (ATM)
 
No kick down
  1. Valve body assy (1-2 shift valve)
  2. Valve body assy (2-3 shift valve)
  3. Valve body assy (3-4 shift valve)
  1. TRANSMISSION VALVE BODY ASSY (ATM)
  2. TRANSMISSION VALVE BODY ASSY (ATM)
  3. TRANSMISSION VALVE BODY ASSY (ATM)
Poor acceleration
  1. Valve body assy (SLT damper)
  1. TRANSMISSION VALVE BODY ASSY (ATM)

Chapter 3: Off-vehicle Repair 

OFF-VEHICLE REPAIR CHAPTER 3

Symptom Suspect Area Reference
Vehicle does not move in any forward position and reverse position
  1. Planetary gear unit
  2. Forward clutch
  3. One-way clutch No. 2
  4. Reverse Clutch
  5. 1st and reverse brake
  1. *
  2. *
  3. *
  4. *
  5. *
Vehicle does not move in R position
  1. Planetary gear unit
  2. Reverse Clutch
  3. 1st and reverse brake
  1. *
  2. *
  3. *
No upshift (1st --> 2nd)
  1. 2nd brake
  2. One-way clutch No. 1
  1. *
  2. *
No upshift (2nd --> 3rd)
  1. Direct clutch
  1. *
No upshift (3rd --> O/D)
  1. O/D and 2nd brake
  1. *
No lock up or No lock up off
  1. Torque converter clutch
  1. TORQUE CONVERTER CLUTCH AND DRIVE PLATE (ATM)
Harsh engagement (N --> D)
  1. Forward clutch
  2. One-way clutch No. 2
  1. *
  2. *
Harsh engagement (N --> R)
  1. Reverse clutch
  2. 1st and reverse brake
  1. *
  2. *
Harsh engagement (Lock-up)
  1. Torque converter clutch
  1. TORQUE CONVERTER CLUTCH AND DRIVE PLATE (ATM)
Harsh engagement (1st --> 2nd)
  1. 2nd brake
  2. One-way clutch No. 1
  1. *
  2. *
Harsh engagement (2nd --> 3rd)
  1. Direct clutch
  1. *
Harsh engagement (3rd --> O/D)
  1. O/D and 2nd brake
  1. *
Slip or shudder (Forward position)
  1. Torque converter clutch
  2. Forward clutch
  3. Direct clutch
  4. O/D and 2nd brake
  5. 2nd brake
  6. One-way clutch No. 1
  7. One-way clutch No. 2
  1. TORQUE CONVERTER CLUTCH AND DRIVE PLATE (ATM)
  2. *
  3. *
  4. *
  5. *
  6. *
  7. *
Slip or shudder (Reverse position)
  1. Reverse clutch
  2. 1st and reverse brake
  1. *
  2. *
Slip or shudder (1st)
  1. One-way clutch No. 2
  1. *
Slip or shudder (2nd)
  1. 2nd brake
  2. One-way clutch No. 1
  1. *
  2. *
Slip or shudder (3rd)
  1. Direct clutch
  1. *
Slip or shudder (O/D)
  1. O/D and 2nd brake
  1. *
No engine braking (1st: L position)
  1. 1st and reverse brake
  1. *
No engine braking (2nd: 2 position)
  1. O/D and 2nd brake
  1. *
Poor acceleration (All position)
  1. Torque converter clutch
  1. TORQUE CONVERTER CLUTCH AND DRIVE PLATE (ATM)
Large shift shock or engine stalls when starting off or stopping
  1. Torque converter clutch
  1. TORQUE CONVERTER CLUTCH AND DRIVE PLATE (ATM)
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