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Problem Symptoms Table

If a normal code is displayed during the diagnostic trouble code check but the trouble still occurs, check the circuits for each symptom in the order given in the following charts and proceed to the appropriate troubleshooting.

The Matrix Chart is divided into 3 chapters.

Chapter 1: Electronic Circuit Matrix Chart 

Chapter 2: On-vehicle Repair Matrix Chart 

Chapter 3: Off-vehicle Repair Matrix Chart 

Chapter 1: Electronic Circuit Matrix Chart 

SYMPTOM CHART

Symptom Suspect Area See
No up-shift (A particular gear, from 1st to 4th gear, is not up-shifted)
  1. Shift solenoid valve (S1) circuit (1)
  2. Shift solenoid valve (S2) circuit (1)
  3. ECM
  1. DTC P0973: SHIFT SOLENOID "A" CONTROL CIRCUIT LOW (SHIFT SOLENOID VALVE S1) 
  2. DTC P0976, P0977: SHIFT SOLENOID "B" CONTROL CIRCUIT LOW/HIGH (SHIFT SOLENOID VALVE S2) 
  3. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
No up-shift (4th --> 5th)
  1. Transmission control switch circuit (D - 4) (1)
  2. Engine coolant temp, sensor circuit (1)
  3. Speed sensor NT circuit (1)
  4. Shift solenoid valve (SL1) circuit (1)
  5. Shift solenoid valve (SL2) circuit (1)
  6. Shift solenoid valve (SR) circuit (1)
  7. ECM
  1. CIRCUIT INSPECTION 
  2. DIAGNOSTIC TROUBLE CODE DEFINITIONS
  3. DTC P0717: INPUT SPEED SENSOR CIRCUIT NO SIGNAL 
  4. DTC P0748: PRESSURE CONTROL SOLENOID "A" ELECTRICAL (SHIFT SOLENOID VALVE SL1) 
  5. DTC P0778: PRESSURE CONTROL SOLENOID "B" ELECTRICAL (SHIFT SOLENOID VALVE SL2) 
  6. DTC P0985, P0986: SHIFT SOLENOID "E" CONTROL CIRCUIT LOW/HIGH (SHIFT SOLENOID VALVE SR/SR) 
  7. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
No up-shift (3th --> 4th)
  1. Engine coolant temp, sensor circuit (1)
  2. Shift solenoid valve (S2) circuit (1)
  3. ECM
  1. DIAGNOSTIC TROUBLE CODE DEFINITIONS
  2. DTC P0976, P0977: SHIFT SOLENOID "B" CONTROL CIRCUIT LOW/HIGH (SHIFT SOLENOID VALVE S2) 
  3. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
No up-shift (1st --> 2nd)
  1. Transmission control switch circuit (2 - L) (1)
  2. Shift solenoid valve (S2) circuit (1)
  3. ECM
  1. CIRCUIT INSPECTION 
  2. DTC P0976, P0977: SHIFT SOLENOID "B" CONTROL CIRCUIT LOW/HIGH (SHIFT SOLENOID VALVE S2) 
  3. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
No down-shift (5th --> 4th)
  1. Transmission control switch circuit (D - 4) (1)
  2. Shift solenoid valve (SL1) circuit (1)
  3. Shift solenoid valve (SL2) circuit (1)
  4. Shift solenoid valve (SR) circuit (1)
  5. ECM
  1. CIRCUIT INSPECTION 
  2. DTC P0748: PRESSURE CONTROL SOLENOID "A" ELECTRICAL (SHIFT SOLENOID VALVE SL1) 
  3. DTC P0778: PRESSURE CONTROL SOLENOID "B" ELECTRICAL (SHIFT SOLENOID VALVE SL2) 
  4. DTC P0985, P0986: SHIFT SOLENOID "E" CONTROL CIRCUIT LOW/HIGH (SHIFT SOLENOID VALVE SR/SR) 
  5. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
No down-shift (2nd --> 1st)
  1. Transmission control switch circuit (2 - L) (1)
  2. Shift solenoid valve (S2) circuit (1)
  3. ECM
  1. CIRCUIT INSPECTION 
  2. DTC P0976, P0977: SHIFT SOLENOID "B" CONTROL CIRCUIT LOW/HIGH (SHIFT SOLENOID VALVE S2) 
  3. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
No down-shift (A particular gear, from 1st to 4th gear, is not down-shifted)
  1. Shift solenoid valve (S1) circuit (1)
  2. Shift solenoid valve (S2) circuit (1)
  3. ECM
  1. DTC P0973: SHIFT SOLENOID "A" CONTROL CIRCUIT LOW (SHIFT SOLENOID VALVE S1) 
  2. DTC P0976, P0977: SHIFT SOLENOID "B" CONTROL CIRCUIT LOW/HIGH (SHIFT SOLENOID VALVE S2) 
  3. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
No lock-up
  1. ATF temperature sensor circuit (1)
  2. Transfer L4 position switch circuit (1)
  3. Stop light switch circuit (1)
  4. Speed sensor NT circuit (1)
  5. Shift solenoid valve (SLU) circuit (1)
  6. ECM
  1. DTC P0710, P0712, P0713, P2743: TRANSMISSION FLUID TEMPERATURE SENSOR "A & B" CIRCUIT LOW/HIGH INPUT 
  2. DTC P1782: T/F L4 RANGE POSITION SWITCH PERFORMANCE 
  3. DTC P0724: BRAKE SWITCH "B" CIRCUIT HIGH 
  4. DTC P0717: INPUT SPEED SENSOR CIRCUIT NO SIGNAL 
  5. DTC P2759: TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID CONTROL CIRCUIT ELECTRICAL (SHIFT SOLENOID VALVE SLU) 
  6. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
No lock-up off ECM HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
Shift point too high or too low
  1. Shift solenoid valve (SLT) circuit (1)
  2. Speed sensor NT circuit (1)
  3. Speed sensor SP2 circuit (1)
  4. Throttle position sensor circuit (1)
  5. ATF temperature sensor circuit (1)
  6. Pattern select switch circuit (PWR mode switch)
  7. Transfer L4 position switch circuit (1)
  8. ECM
  1. DTC P2716: PRESSURE CONTROL SOLENOID "D" ELECTRICAL (SHIFT SOLENOID VALVE SLT) 
  2. DTC P0717: INPUT SPEED SENSOR CIRCUIT NO SIGNAL 
  3. DTC P0722: OUTPUT SPEED SENSOR CIRCUIT NO SIGNAL 
  4. DIAGNOSTIC TROUBLE CODE DEFINITIONS
  5. DTC P0710, P0712, P0713, P2743: TRANSMISSION FLUID TEMPERATURE SENSOR "A & B" CIRCUIT LOW/HIGH INPUT 
  6. PATTERN SELECT SWITCH CIRCUIT (PWR MODE SWITCH) 
  7. DTC P1782: T/F L4 RANGE POSITION SWITCH PERFORMANCE 
  8. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
Up-shift to 5th from 4th while shift lever is 4 position
  1. Transmission control switch circuit (D - 4) (1)
  2. ECM
  1. CIRCUIT INSPECTION 
  2. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
Up-shift to 5th from 4th while engine is cold
  1. Engine coolant temp, sensor circuit (1)
  2. ECM
  1. DIAGNOSTIC TROUBLE CODE DEFINITIONS
  2. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
Up-shift to 4th from 3rd while shift lever is 3 position
  1. Park/neutral position switch circuit (1)
  2. ECM
  1. CIRCUIT INSPECTION 
  2. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
Up-shift to 3rd from 2nd while shift lever is 2 position
  1. Park/neutral position switch circuit (1)
  2. ECM
  1. CIRCUIT INSPECTION 
  2. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
Up-shift to 2nd from 1st while shift lever is L position
  1. Transmission control switch circuit (2 - L) (1)
  2. ECM
  1. CIRCUIT INSPECTION 
  2. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
Harsh engagement (N --> D)
  1. Speed sensor NT circuit (1)
  2. Shift solenoid valve (SL1) circuit (1)
  3. Shift solenoid valve (SLT) circuit (1)
  4. ECM
  1. DTC P0717: INPUT SPEED SENSOR CIRCUIT NO SIGNAL 
  2. DTC P0748: PRESSURE CONTROL SOLENOID "A" ELECTRICAL (SHIFT SOLENOID VALVE SL1) 
  3. DTC P2716: PRESSURE CONTROL SOLENOID "D" ELECTRICAL (SHIFT SOLENOID VALVE SLT) 
  4. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
Harsh engagement (Lock-up)
  1. Speed sensor NT circuit (1)
  2. Speed sensor SP2 circuit (1)
  3. Shift solenoid valve (SLU) circuit (1)
  4. ECM
  1. DTC P0717: INPUT SPEED SENSOR CIRCUIT NO SIGNAL 
  2. DTC P0722: OUTPUT SPEED SENSOR CIRCUIT NO SIGNAL 
  3. DTC P2759: TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID CONTROL CIRCUIT ELECTRICAL (SHIFT SOLENOID VALVE SLU) 
  4. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
Harsh engagement (Any driving position) ECM HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
Poor acceleration ECM HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
No engine braking ECM HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
No kick-down ECM HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
Engine stalls when starting off or stopping ECM HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
No pattern select (PWR)
  1. Pattern select switch circuit (PWR mode switch)
  2. ECM
  1. PATTERN SELECT SWITCH CIRCUIT (PWR MODE SWITCH) 
  2. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
No 2nd start
  1. Pattern select switch circuit (2nd start switch)
  2. Transmission control switch circuit (2 - L) (1)
  3. ECM
  1. PATTERN SELECT SWITCH CIRCUIT (2ND START SWITCH) 
  2. CIRCUIT INSPECTION 
  3. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
AT Oil Temp, warning light remains on
  1. ATF temperature sensor No.2 circuit
  2. ECM
  1. ATF TEMPERATURE SENSOR NO. 2 CIRCUIT 
  2. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
Shift point too high
A/T.P. indicator light does not light up
  1. A/T.P. indicator light circuit
  2. Combination meter circuit
  3. ECM
  1. A/T. P (AUTOMATIC TRANSMISSION PARKING) INDICATOR CIRCUIT 
  2. CIRCUIT
  3. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
(1) When a malfunction is on the circuit *1 mark is attached, DTC is output.

Chapter 2: On-Vehicle Repair 

SYMPTOM CHART

Symptom Suspect Area See
Vehicle does not move in any forward position and reverse positions
  1. Transmission control rod
  2. Manual valve
  3. Parking lock pawl
  4. Off-vehicle repair matrix chart
  1. PRE-CHECK 
  2. (1)
  3. (1)
  4. -
Vehicle does not move in R position
  1. Valve body assy
  2. Off-vehicle repair matrix chart
  1. ON-VEHICLE REPAIR
  2. -
No up-shift (1st --> 2nd)
  1. Valve body assy
  2. Off-vehicle repair matrix chart
  1. ON-VEHICLE REPAIR
  2. -
No up-shift (2nd --> 3rd)
  1. Valve body assy
  2. Off-vehicle repair matrix chart
  1. ON-VEHICLE REPAIR
  2. -
No up-shift (3rd --> 4th)
  1. Valve body assy
  2. Off-vehicle repair matrix chart
  1. ON-VEHICLE REPAIR
  2. -
No up-shift (4th --> 5th)
  1. Valve body assy
  2. Off-vehicle repair matrix chart
  1. ON-VEHICLE REPAIR
  2. -
No down-shift (5th --> 4th)
  1. Valve body assy
  2. Off-vehicle repair matrix chart
  1. ON-VEHICLE REPAIR
  2. -
No down-shift (4th --> 3rd)
  1. Valve body assy
  2. Off-vehicle repair matrix chart
  1. ON-VEHICLE REPAIR
  2. -
No down-shift (3rd --> 2nd)
  1. Valve body assy
  2. Off-vehicle repair matrix chart
  1. ON-VEHICLE REPAIR
  2. -
No down-shift (2nd --> 1st)
  1. Valve body assy
  2. Off-vehicle repair matrix chart
  1. ON-VEHICLE REPAIR
  2. -
No lock-up or No lock-up off
  1. Shift solenoid valve (SLU)
  2. Valve body assy
  3. Off-vehicle repair matrix chart
  1. DTC P2757: TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID PERFORMANCE (SHIFT SOLENOID VALVE SLU) 
  2. ON-VEHICLE REPAIR
  3. -
Harsh engagement (N --> D)
  1. Shift solenoid valve (SL1)
  2. Valve body assy
  3. C1 accumulator
  4. Off-vehicle repair matrix chart
  1. DTC P0771: SHIFT SOLENOID "E" PERFORMANCE (SHIFT SOLENOID VALVE SR) 
  2. ON-VEHICLE REPAIR
  3. (1)
  4. -
Harsh engagement (Lock-up)
  1. Shift solenoid valve (SLU)
  2. Valve body assy
  3. Off-vehicle repair matrix chart
  1. DTC P2757: TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID PERFORMANCE (SHIFT SOLENOID VALVE SLU) 
  2. ON-VEHICLE REPAIR
  3. -
Harsh engagement (N --> R)
  1. Shift solenoid valve (SLT)
  2. Shift solenoid valve (SLU)
  3. Valve body assy
  4. C3 accumulator
  5. Off-vehicle repair matrix chart
  1. DTC P2714: PRESSURE CONTROL SOLENOID "D" PERFORMANCE (SHIFT SOLENOID VALVE SLT) 
  2. DTC P2757: TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID PERFORMANCE (SHIFT SOLENOID VALVE SLU) 
  3. ON-VEHICLE REPAIR
  4. (1)
  5. -
Harsh engagement (1st --> 2nd --> 3rd --> 4th --> 5th)
  1. Shift solenoid valve (SLT)
  2. Shift solenoid valve (SL1)
  3. Valve body assy
  1. DTC P2714: PRESSURE CONTROL SOLENOID "D" PERFORMANCE (SHIFT SOLENOID VALVE SLT) 
  2. DTC P0771: SHIFT SOLENOID "E" PERFORMANCE (SHIFT SOLENOID VALVE SR) 
  3. ON-VEHICLE REPAIR
Harsh engagement (1st --> 2nd)
  1. Valve body assy
  2. B3 accumulator
  3. Off-vehicle repair matrix chart
  1. ON-VEHICLE REPAIR
  2. (1)
  3. -
Harsh engagement (2nd --> 3rd)
  1. Valve body assy
  2. C3 accumulator
  3. Off-vehicle repair matrix chart
  1. ON-VEHICLE REPAIR
  2. (1)
  3. -
Harsh engagement (3rd --> 4th)
  1. Valve body assy
  2. C2 accumulator
  3. Off-vehicle repair matrix chart
  1. ON-VEHICLE REPAIR
  2. (1)
  3. -
Harsh engagement (4th --> 5th)
  1. Shift solenoid valve (SL1)
  2. Shift solenoid valve (SL2)
  3. Valve body assy
  4. Off-vehicle repair matrix chart
  1. DTC P0771: SHIFT SOLENOID "E" PERFORMANCE (SHIFT SOLENOID VALVE SR) 
  2. DTC P0776: PRESSURE CONTROL SOLENOID "B" PERFORMANCE (SHIFT SOLENOID VALVE SL2) 
  3. ON-VEHICLE REPAIR
  4. -
Harsh engagement (5th --> 4th)
  1. Shift solenoid valve (SL1)
  2. Shift solenoid valve (SL2)
  3. Valve body assy
  4. Off-vehicle repair matrix chart
  1. DTC P0771: SHIFT SOLENOID "E" PERFORMANCE (SHIFT SOLENOID VALVE SR) 
  2. DTC P0776: PRESSURE CONTROL SOLENOID "B" PERFORMANCE (SHIFT SOLENOID VALVE SL2) 
  3. ON-VEHICLE REPAIR
  4. -
Slip or shudder (Forward and reverse)
  1. Transmission control rod
  2. Valve body assy
  3. Oil strainer
  4. Off-vehicle repair matrix chart
  1. PRE-CHECK 
  2. ON-VEHICLE REPAIR
  3. ON-VEHICLE REPAIR
  4. -
No engine braking (1st: L position)
  1. Valve body assy
  2. Off-vehicle repair matrix chart
  1. ON-VEHICLE REPAIR
  2. -
No engine braking (2nd: 2 position)
  1. Valve body assy
  2. Off-vehicle repair matrix chart
  1. ON-VEHICLE REPAIR
  2. -
No kick-down Valve body assy ON-VEHICLE REPAIR
Shift point too high or too low
  1. Shift solenoid valve (SLT)
  2. Shift solenoid valve (SL1)
  3. Valve body assy
  1. DTC P2714: PRESSURE CONTROL SOLENOID "D" PERFORMANCE (SHIFT SOLENOID VALVE SLT) 
  2. DTC P0771: SHIFT SOLENOID "E" PERFORMANCE (SHIFT SOLENOID VALVE SR) 
  3. ON-VEHICLE REPAIR
Poor acceleration
  1. Shift solenoid valve (SLT)
  2. Valve body assy
  1. DTC P2714: PRESSURE CONTROL SOLENOID "D" PERFORMANCE (SHIFT SOLENOID VALVE SLT) 
  2. ON-VEHICLE REPAIR
Engine stalls when starting off or stopping
  1. Shift solenoid valve (SLU)
  2. Valve body assy
  1. DTC P2757: TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID PERFORMANCE (SHIFT SOLENOID VALVE SLU) 
  2. ON-VEHICLE REPAIR
(1) A750E, A750F AUTOMATIC TRANSMISSION Repair Manual Pub. No. RM999U)

Chapter 3: Off-Vehicle Repair 

SYMPTOM CHART

Symptom Suspect Area See
Vehicle does not move in any forward position and reverse positions
  1. Rear planetary gear unit
  2. Torque converter clutch
  1. (1)
  2. TORQUE CONVERTER CLUTCH AND DRIVE PLATE
Vehicle does not move in R position Brake No. 4 (B4 ) (1)
No up-shift (1st --> 2nd)
  1. Brake No. 3 (B3 )
  2. One-way clutch No.1 (F1 )
  3. One-way clutch No. 2 (F2 )
  1. (1)
  2. (1)
  3. (1)
No up-shift (2nd --> 3rd) Clutch No. 3 (C3 ) (1)
No up-shift (3rd --> 4th) Clutch No. 2 (C2 ) (1)
No up-shift (4th --> 5th)
  1. Brake No. 1 (B1 )
  2. Clutch No. 1 (C1 )
  1. (1)
  2. (1)
No lock-up or No lock-up off Torque converter clutch TORQUE CONVERTER CLUTCH AND DRIVE PLATE
Harsh engagement (N --> D)
  1. Clutch No. 1 (C1 )
  2. One-way clutch No.3 (F3 )
  1. (1)
  2. (1)
Harsh engagement (N --> R)
  1. Clutch No. 3 (C3 )
  2. Brake No. 4 (B4 )
  3. One-way clutch No.1 (F1 )
  1. (1)
  2. (1)
  3. (1)
Harsh engagement (1 --> 2)
  1. Brake No. 3 (B3 )
  2. One-way clutch No.1 (F1 )
  3. One-way clutch No. 2 (F2 )
  1. (1)
  2. (1)
  3. (1)
Harsh engagement (2 --> 3) Clutch No. 3 (C3 ) (1)
Harsh engagement (3 --> 4) Clutch No. 2 (C2 ) (1)
Harsh engagement (4 --> 5th)
  1. Brake No. 1 (B1 )
  2. Clutch No. 1 (C1 )
  1. (1)
  2. (1)
Harsh engagement (Lock-up) Torque converter clutch TORQUE CONVERTER CLUTCH AND DRIVE PLATE
Slip or shudder (Forward and reverse: After warm-up)
  1. One-way clutch No.1 (F1 )
  2. Clutch No. 3 (C3 )
  3. Torque converter clutch clutch
  1. (1)
  2. (1)
  3. (1)
Slip or shudder (Particular position: Just after engine starts) Torque converter clutch TORQUE CONVERTER CLUTCH AND DRIVE PLATE
Slip or shudder (R position)
  1. Brake No. 4 (B4 )
  2. One-way clutch No.1 (F1 )
  3. Clutch No. 3 (C3 )
  1. (1)
  2. (1)
  3. (1)
Slip or shudder (1st)
  1. Clutch No. 1 (C1 )
  2. One-way clutch No.3 (F3 )
  1. (1)
  2. (1)
Slip or shudder (2nd)
  1. Clutch No. 1 (C1 )
  2. Brake No. 3 (B3 )
  3. One-way clutch No.1 (F1 )
  4. One-way clutch No.2 (F2 )
  1. (1)
  2. (1)
  3. (1)
  4. (1)
Slip or shudder (3rd)
  1. Clutch No. 1 (C1 )
  2. Clutch No. 3 (C3 )
  3. One-way clutch No.1 (F1 )
  1. (1)
  2. (1)
  3. (1)
Slip or shudder (4th)
  1. Clutch No. 1 (C1 )
  2. Clutch No. 2 (C2 )
  1. (1)
  2. (1)
Slip or shudder (5th)
  1. Clutch No. 2 (C2 )
  2. Clutch No. 3 (C3 )
  3. Brake No. 1 (B1 )
  1. (1)
  2. (1)
  3. (1)
No engine braking (1st --> 4th: D position) Clutch No. 1 (C1 ) (1)
No engine braking (1st: L position) Brake No. 4 (B4 ) (1)
No engine braking (2nd: 2 position) Brake No. 2 (B2 ) (1)
No engine braking (3rd: 3 position) Brake No. 1 (B1 ) (1)
Poor acceleration (All positions) Torque converter clutch TORQUE CONVERTER CLUTCH AND DRIVE PLATE
Poor acceleration (5th)
  1. Clutch No. 1 (C1 )
  2. Clutch No. 3 (C3 )
  3. Brake No. 1 (B1 )
  4. Front planetary gear unit
  1. (1)
  2. (1)
  3. (1)
  4. (1)
Engine stalls when starting off or stopping Torque converter clutch TORQUE CONVERTER CLUTCH AND DRIVE PLATE
(1) A750E, A750F AUTOMATIC TRANSMISSION Repair Manual Pub. No. RM999U)