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Problem Symptoms Table

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  1. Chapter 1: Electronic Circuit Matrix Chart 
    ELECTRONIC CIRCUIT MATRIX CHART

    Symptom Suspected Area See Procedure
    Noup-shift (1st -> 2nd) Shift solenoid valve S1 circuit* DTC P0973 SHIFT SOLENOID "A" CONTROL CIRCUIT LOW (SHIFT SOLENOID VALVE S1); DTC P0974 SHIFT SOLENOID "A" CONTROL CIRCUIT HIGH (SHIFT SOLENOID VALVE S1) 
    ECM ELECTRONIC CIRCUIT INSPECTION PROCEDURE
    No up-shift (2nd -> 3rd) Shift solenoid valve S2 circuit* DTC P0976 SHIFT SOLENOID "B" CONTROL CIRCUIT LOW (SHIFT SOLENOID VALVE S2); DTC P0977 SHIFT SOLENOID "B" CONTROL CIRCUIT HIGH (SHIFT SOLENOID VALVE S2) 
    ECM ELECTRONIC CIRCUIT INSPECTION PROCEDURE
    No up-shift (3rd -> 4th) Shift solenoid valve S3 circuit* DTC P0979 SHIFT SOLENOID "C" CONTROL CIRCUIT LOW (SHIFT SOLENOID VALVE S3); DTC P0980 SHIFT SOLENOID "C" CONTROL CIRCUIT HIGH (SHIFT SOLENOID VALVE S3) 
    Engine coolant temperature sensor circuit* DIAGNOSTIC TROUBLE CODE CHART
    ECM ELECTRONIC CIRCUIT INSPECTION PROCEDURE
    No up-shift (4th -> 5th) Shift solenoid valve S4 circuit* DTC P0982 SHIFT SOLENOID "D" CONTROL CIRCUIT LOW (SHIFT SOLENOID VALVE S4); DTC P0983 SHIFT SOLENOID "D" CONTROL CIRCUIT HIGH (SHIFT SOLENOID VALVE S4) 
    Shift solenoid valve SR circuit* DTC P0985 SHIFT SOLENOID "E" CONTROL CIRCUIT LOW (SHIFT SOLENOID VALVE SR); DTC P0986 SHIFT SOLENOID "E" CONTROL CIRCUIT HIGH (SHIFT SOLENOID VALVE SR) 
    Shift solenoid valve SL1 circuit* DTC P0748 PRESSURE CONTROL SOLENOID "A" ELECTRICAL (SHIFT SOLENOID VALVE SL1) 
    Shift solenoid valve SL2 circuit* DTC P0778 PRESSURE CONTROL SOLENOID "B" ELECTRICAL (SHIFT SOLENOID VALVE SL2) 
    Engine coolant temperature sensor circuit* DIAGNOSTIC TROUBLE CODE CHART
    ECM ELECTRONIC CIRCUIT INSPECTION PROCEDURE
    No up-shift (5th -> 6th) Park/neutral position switch circuit* DTC P0705 TRANSMISSION RANGE SENSOR CIRCUIT MALFUNCTION (PRNDL INPUT) 
    Shift solenoid valve S2 circuit* DTC P0976 SHIFT SOLENOID "B" CONTROL CIRCUIT LOW (SHIFT SOLENOID VALVE S2); DTC P0977 SHIFT SOLENOID "B" CONTROL CIRCUIT HIGH (SHIFT SOLENOID VALVE S2) 
    Engine coolant temperature sensor circuit* DIAGNOSTIC TROUBLE CODE CHART
    ECM ELECTRONIC CIRCUIT INSPECTION PROCEDURE
    No down-shift (6th -> 5th) Park/neutral position switch circuit* DTC P0705 TRANSMISSION RANGE SENSOR CIRCUIT MALFUNCTION (PRNDL INPUT) 
    Shift solenoid valve S2 circuit* DTC P0976 SHIFT SOLENOID "B" CONTROL CIRCUIT LOW (SHIFT SOLENOID VALVE S2); DTC P0977 SHIFT SOLENOID "B" CONTROL CIRCUIT HIGH (SHIFT SOLENOID VALVE S2) 
    Engine coolant temperature sensor circuit* DIAGNOSTIC TROUBLE CODE CHART
    ECM ELECTRONIC CIRCUIT INSPECTION PROCEDURE
    No down-shift (5th -> 4th) Shift solenoid valve S4 circuit* DTC P0982 SHIFT SOLENOID "D" CONTROL CIRCUIT LOW (SHIFT SOLENOID VALVE S4); DTC P0983 SHIFT SOLENOID "D" CONTROL CIRCUIT HIGH (SHIFT SOLENOID VALVE S4) 
    Shift solenoid valve SR circuit* DTC P0985 SHIFT SOLENOID "E" CONTROL CIRCUIT LOW (SHIFT SOLENOID VALVE SR); DTC P0986 SHIFT SOLENOID "E" CONTROL CIRCUIT HIGH (SHIFT SOLENOID VALVE SR) 
    Shift solenoid valve SL1 circuit* DTC P0748 PRESSURE CONTROL SOLENOID "A" ELECTRICAL (SHIFT SOLENOID VALVE SL1) 
    Shift solenoid valve SL2 circuit* DTC P0778 PRESSURE CONTROL SOLENOID "B" ELECTRICAL (SHIFT SOLENOID VALVE SL2) 
    ECM ELECTRONIC CIRCUIT INSPECTION PROCEDURE
    No down-shift (4th -> 3rd) Shift solenoid valve S3 circuit* DTC P0979 SHIFT SOLENOID "C" CONTROL CIRCUIT LOW (SHIFT SOLENOID VALVE S3); DTC P0980 SHIFT SOLENOID "C" CONTROL CIRCUIT HIGH (SHIFT SOLENOID VALVE S3) 
    ECM ELECTRONIC CIRCUIT INSPECTION PROCEDURE
    No down-shift (3rd -> 2nd) Shift solenoid valve S2 circuit* DTC P0976 SHIFT SOLENOID "B" CONTROL CIRCUIT LOW (SHIFT SOLENOID VALVE S2); DTC P0977 SHIFT SOLENOID "B" CONTROL CIRCUIT HIGH (SHIFT SOLENOID VALVE S2) 
    ECM ELECTRONIC CIRCUIT INSPECTION PROCEDURE
    No down-shift (2nd -> 1st) Shift solenoid valve S1 circuit* DTC P0973 SHIFT SOLENOID "A" CONTROL CIRCUIT LOW (SHIFT SOLENOID VALVE S1); DTC P0974 SHIFT SOLENOID "A" CONTROL CIRCUIT HIGH (SHIFT SOLENOID VALVE S1) 
    ECM ELECTRONIC CIRCUIT INSPECTION PROCEDURE
    No lock-up or no lock-up off Shift solenoid valve SLU circuit* DTC P2759 TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID CONTROL CIRCUIT ELECTRICAL (SHIFT SOLENOID VALVE SLU) 
    Stop light switch circuit* DTC P0724 BRAKE SWITCH "B" CIRCUIT HIGH 
    ECM ELECTRONIC CIRCUIT INSPECTION PROCEDURE
    No lock-up No. 1 ATF temperature sensor circuit* DTC P0710 TRANSMISSION FLUID TEMPERATURE SENSOR "A" CIRCUIT; DTC P0712 TRANSMISSION FLUID TEMPERATURE SENSOR "A" CIRCUIT LOW INPUT; DTC P0713 TRANSMISSION FLUID TEMPERATURE SENSOR "A" CIRCUIT HIGH INPUT 
    Shift solenoid valve SLU circuit* DTC P2759 TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID CONTROL CIRCUIT ELECTRICAL (SHIFT SOLENOID VALVE SLU) 
    Engine coolant temperature sensor circuit* DIAGNOSTIC TROUBLE CODE CHART
    Stop light switch circuit* DTC P0724 BRAKE SWITCH "B" CIRCUIT HIGH 
    Speed sensor NT circuit* DTC P0717 TURBINE SPEED SENSOR CIRCUIT NO SIGNAL 
    ECM ELECTRONIC CIRCUIT INSPECTION PROCEDURE
    No lock-up off Shift solenoid valve SLU circuit* DTC P2759 TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID CONTROL CIRCUIT ELECTRICAL (SHIFT SOLENOID VALVE SLU) 
    ECM ELECTRONIC CIRCUIT INSPECTION PROCEDURE
    Shift point too high or too low Shift solenoid valve SLT circuit* DTC P2716 PRESSURE CONTROL SOLENOID "D" ELECTRICAL (SHIFT SOLENOID VALVE SLT) 
    Speed sensor NT circuit* DTC P0717 TURBINE SPEED SENSOR CIRCUIT NO SIGNAL 
    Speed sensor SP2 circuit* DTC P0722 OUTPUT SPEED SENSOR CIRCUIT NO SIGNAL 
    Throttle position sensor circuit* DIAGNOSTIC TROUBLE CODE CHART
    No. 1 ATF temperature sensor circuit* DTC P0710 TRANSMISSION FLUID TEMPERATURE SENSOR "A" CIRCUIT; DTC P0712 TRANSMISSION FLUID TEMPERATURE SENSOR "A" CIRCUIT LOW INPUT; DTC P0713 TRANSMISSION FLUID TEMPERATURE SENSOR "A" CIRCUIT HIGH INPUT 
    Pattern select switch (PWR) circuit PATTERN SELECT SWITCH POWER MODE CIRCUIT 
    ECM ELECTRONIC CIRCUIT INSPECTION PROCEDURE
    Up-shift to 4th from 3rd while engine is cold Engine coolant temperature sensor circuit* DIAGNOSTIC TROUBLE CODE CHART
    ECM ELECTRONIC CIRCUIT INSPECTION PROCEDURE
    Up-shift to 5th from 4th while engine is cold Engine coolant temperature sensor circuit* DIAGNOSTIC TROUBLE CODE CHART
    ECM ELECTRONIC CIRCUIT INSPECTION PROCEDURE
    No gear change by shifting into "+" or"-" while shift lever in S Transmission control switch circuit TRANSMISSION CONTROL SWITCH CIRCUIT 
    ECM ELECTRONIC CIRCUIT INSPECTION PROCEDURE
    Harsh engagement (N -> D) Shift solenoid valve SLT circuit* DTC P2716 PRESSURE CONTROL SOLENOID "D" ELECTRICAL (SHIFT SOLENOID VALVE SLT) 
    Speed sensor NT circuit* DTC P0717 TURBINE SPEED SENSOR CIRCUIT NO SIGNAL 
    ECM ELECTRONIC CIRCUIT INSPECTION PROCEDURE
    Harsh engagement (lock-up) Speed sensor NT circuit* DTC P0717 TURBINE SPEED SENSOR CIRCUIT NO SIGNAL 
    Speed sensor SP2 circuit* DTC P0722 OUTPUT SPEED SENSOR CIRCUIT NO SIGNAL 
    Shift solenoid valve SLU circuit* DTC P2759 TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID CONTROL CIRCUIT ELECTRICAL (SHIFT SOLENOID VALVE SLU) 
    ECM ELECTRONIC CIRCUIT INSPECTION PROCEDURE
    Harsh engagement (any gear position) Throttle position sensor circuit* DIAGNOSTIC TROUBLE CODE CHART
    Shift solenoid valve SL1 circuit* DTC P0748 PRESSURE CONTROL SOLENOID "A" ELECTRICAL (SHIFT SOLENOID VALVE SL1) 
    Shift solenoid valve SL2 circuit* DTC P0778 PRESSURE CONTROL SOLENOID "B" ELECTRICAL (SHIFT SOLENOID VALVE SL2) 
    Shift solenoid valve SLU circuit* DTC P2759 TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID CONTROL CIRCUIT ELECTRICAL (SHIFT SOLENOID VALVE SLU) 
    Shift solenoid valve SLT circuit* DTC P2716 PRESSURE CONTROL SOLENOID "D" ELECTRICAL (SHIFT SOLENOID VALVE SLT) 
    Speed sensor NT circuit* DTC P0717 TURBINE SPEED SENSOR CIRCUIT NO SIGNAL 
    ECM ELECTRONIC CIRCUIT INSPECTION PROCEDURE
    Poor acceleration No. 2 ATF temperature sensor circuit* DTC P2740 TRANSMISSION FLUID TEMPERATURE SENSOR "B" CIRCUIT; DTC P2742 TRANSMISSION FLUID TEMPERATURE SENSOR "B" CIRCUIT LOW INPUT; DTC P2743 TRANSMISSION FLUID TEMPERATURE SENSOR "B" CIRCUIT HIGH INPUT 
    Shift solenoid valve SLT circuit* DTC P2716 PRESSURE CONTROL SOLENOID "D" ELECTRICAL (SHIFT SOLENOID VALVE SLT) 
    Pattern select switch (2ND) circuit PATTERN SELECT SWITCH 2ND START MODE CIRCUIT 
    ECM ELECTRONIC CIRCUIT INSPECTION PROCEDURE
    No engine brake ECM ELECTRONIC CIRCUIT INSPECTION PROCEDURE
    No kick-down ECM ELECTRONIC CIRCUIT INSPECTION PROCEDURE
    Engine stalls when starting off or stopping Shift solenoid valve SLU circuit* DTC P2759 TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID CONTROL CIRCUIT ELECTRICAL (SHIFT SOLENOID VALVE SLU) 
    ECM ELECTRONIC CIRCUIT INSPECTION PROCEDURE
    ECT 2ND does not operate Shift solenoid valve SLT circuit* DTC P2716 PRESSURE CONTROL SOLENOID "D" ELECTRICAL (SHIFT SOLENOID VALVE SLT) 
    Pattern select switch (2ND) circuit PATTERN SELECT SWITCH 2ND START MODE CIRCUIT 
    ECM ELECTRONIC CIRCUIT INSPECTION PROCEDURE
    ATF temperature warning indicator remains on, lockup at 3rd gear and/or shift point too high No. 2 ATF temperature sensor circuit* DTC P2740 TRANSMISSION FLUID TEMPERATURE SENSOR "B" CIRCUIT; DTC P2742 TRANSMISSION FLUID TEMPERATURE SENSOR "B" CIRCUIT LOW INPUT; DTC P2743 TRANSMISSION FLUID TEMPERATURE SENSOR "B" CIRCUIT HIGH INPUT 
    Engine coolant temperature sensor circuit* DIAGNOSTIC TROUBLE CODE CHART
    ECM ELECTRONIC CIRCUIT INSPECTION PROCEDURE
    Malfunction in shifting Park/neutral position switch circuit* DTC P0705 TRANSMISSION RANGE SENSOR CIRCUIT MALFUNCTION (PRNDL INPUT) 
    Transmission control switch circuit TRANSMISSION CONTROL SWITCH CIRCUIT 
    ECM ELECTRONIC CIRCUIT INSPECTION PROCEDURE
    Harsh engagement (1st -> 2nd -> 3rd -> 4th -> 5th) Shift solenoid valve SR circuit* DTC P0985 SHIFT SOLENOID "E" CONTROL CIRCUIT LOW (SHIFT SOLENOID VALVE SR); DTC P0986 SHIFT SOLENOID "E" CONTROL CIRCUIT HIGH (SHIFT SOLENOID VALVE SR) 
    Slip or shudder (5th -> 6th -> and 6th -> 5th) Shift solenoid valve SR circuit* DTC P0985 SHIFT SOLENOID "E" CONTROL CIRCUIT LOW (SHIFT SOLENOID VALVE SR); DTC P0986 SHIFT SOLENOID "E" CONTROL CIRCUIT HIGH (SHIFT SOLENOID VALVE SR) 
  2. Chapter 2: On-vehicle Repair and Off-vehicle Repair 
    SYMPTOM CHART

    Symptom Suspected Area See Procedure
    Vehicle does not move when shift lever is in any forward position or reverse position Floor shift gear shifting rod sub-assembly INSTALLATION 
    Manual valve AUTOMATIC TRANSMISSION UNIT 
    Parking lock pawl AUTOMATIC TRANSMISSION UNIT 
    Rear planetary gear unit AUTOMATIC TRANSMISSION UNIT 
    Torque converter clutch TORQUE CONVERTER CLUTCH AND DRIVE PLATE 
    Vehicle does not move with shift lever in R Valve body assembly REMOVAL 
    B4 brake AUTOMATIC TRANSMISSION UNIT 
    Noup-shift(1st->2nd) Valve body assembly REMOVAL 
    B3 brake AUTOMATIC TRANSMISSION UNIT 
    F1 one-way clutch AUTOMATIC TRANSMISSION UNIT 
    F2 one-way clutch AUTOMATIC TRANSMISSION UNIT 
    No up-shift (2nd -> 3rd) Valve body assembly REMOVAL 
    C3 clutch AUTOMATIC TRANSMISSION UNIT 
    No up-shift (3rd -> 4th) Valve body assembly REMOVAL 
    C2 clutch AUTOMATIC TRANSMISSION UNIT 
    No up-shift (4th -> 5th) Valve body assembly REMOVAL 
    B1 brake AUTOMATIC TRANSMISSION UNIT 
    No up-shift (5th -> 6th) Valve body assembly REMOVAL 
    B2 brake AUTOMATIC TRANSMISSION UNIT 
    No down-shift (6th -> 5th) Valve body assembly REMOVAL 
    No down-shift (5th -> 4th) Valve body assembly REMOVAL 
    No down-shift (4th -> 3rd) Valve body assembly REMOVAL 
    No down-shift (3rd -> 2nd) Valve body assembly REMOVAL 
    No down-shift (2nd -> 1st) Valve body assembly REMOVAL 
    No lock-up or no lock-up off Valve body assembly REMOVAL 
    Torque converter clutch TORQUE CONVERTER CLUTCH AND DRIVE PLATE 
    Harsh engagement (N -> D) Valve body assembly REMOVAL 
    C1 accumulator AUTOMATIC TRANSMISSION UNIT 
    C1 clutch AUTOMATIC TRANSMISSION UNIT 
    F3 one-way clutch AUTOMATIC TRANSMISSION UNIT 
    F4 one-way clutch AUTOMATIC TRANSMISSION UNIT 
    Harsh engagement (lock-up) Valve body assembly REMOVAL 
    Torque converter clutch TORQUE CONVERTER CLUTCH AND DRIVE PLATE 
    Harsh engagement (N -> R) Valve body assembly REMOVAL 
    C3 accumulator AUTOMATIC TRANSMISSION UNIT 
    C3 clutch AUTOMATIC TRANSMISSION UNIT 
    B4 brake AUTOMATIC TRANSMISSION UNIT 
    F1 one-way clutch AUTOMATIC TRANSMISSION UNIT 
    Harsh engagement (1st -> 2nd -> 3rd -> 4th -> 5th -> 6th) Valve body assembly REMOVAL 
    Harsh engagement (1st -> 2nd) Valve body assembly REMOVAL 
    B3 accumulator AUTOMATIC TRANSMISSION UNIT 
    B3 brake AUTOMATIC TRANSMISSION UNIT 
    F1 one-way clutch AUTOMATIC TRANSMISSION UNIT 
    F2 one-way clutch AUTOMATIC TRANSMISSION UNIT 
    Harsh engagement (2nd -> 3rd) Valve body assembly REMOVAL 
    C3 accumulator AUTOMATIC TRANSMISSION UNIT 
    C3 clutch AUTOMATIC TRANSMISSION UNIT 
    Harsh engagement (3rd -> 4th) Valve body assembly REMOVAL 
    C2 accumulator AUTOMATIC TRANSMISSION UNIT 
    C2 clutch AUTOMATIC TRANSMISSION UNIT 
    Harsh engagement (4th -> 5th) Valve body assembly REMOVAL 
    B1 accumulator AUTOMATIC TRANSMISSION UNIT 
    B1 brake AUTOMATIC TRANSMISSION UNIT 
    Harsh engagement (5th -> 6th) Valve body assembly REMOVAL 
    B2 accumulator AUTOMATIC TRANSMISSION UNIT 
    B2 brake AUTOMATIC TRANSMISSION UNIT 
    Harsh engagement (6th -> 5th) Valve body assembly REMOVAL 
    C3 accumulator AUTOMATIC TRANSMISSION UNIT 
    C3 clutch AUTOMATIC TRANSMISSION UNIT 
    Slip or shudder (forward and reverse, after warm-up) Floor shift gear shifting rod sub-assembly INSTALLATION 
    Valve body assembly REMOVAL 
    Oil strainer REMOVAL 
    F1 one-way clutch AUTOMATIC TRANSMISSION UNIT 
    C3 clutch AUTOMATIC TRANSMISSION UNIT 
    Torque converter clutch TORQUE CONVERTER CLUTCH AND DRIVE PLATE 
    Slip or shudder (particular position, just after engine starts) Torque converter clutch TORQUE CONVERTER CLUTCH AND DRIVE PLATE 
    Slip or shudder (shift lever in R) B4 brake AUTOMATIC TRANSMISSION UNIT 
    F1 one-way clutch AUTOMATIC TRANSMISSION UNIT 
    C3 clutch AUTOMATIC TRANSMISSION UNIT 
    Slip or shudder (1st) C1 clutch AUTOMATIC TRANSMISSION UNIT 
    F3 one-way clutch AUTOMATIC TRANSMISSION UNIT 
    F4 one-way clutch AUTOMATIC TRANSMISSION UNIT 
    Slip or shudder (2nd) C1 clutch AUTOMATIC TRANSMISSION UNIT 
    B3 brake AUTOMATIC TRANSMISSION UNIT 
    F1 one-way clutch AUTOMATIC TRANSMISSION UNIT 
    F2 one-way clutch AUTOMATIC TRANSMISSION UNIT 
    F4 one-way clutch AUTOMATIC TRANSMISSION UNIT 
    Slip or shudder (3rd) C1 clutch AUTOMATIC TRANSMISSION UNIT 
    C3 clutch AUTOMATIC TRANSMISSION UNIT 
    F1 one-way clutch AUTOMATIC TRANSMISSION UNIT 
    F4 one-way clutch AUTOMATIC TRANSMISSION UNIT 
    Slip or shudder (4th) C1 clutch AUTOMATIC TRANSMISSION UNIT 
    C2 clutch AUTOMATIC TRANSMISSION UNIT 
    F4 one-way clutch AUTOMATIC TRANSMISSION UNIT 
    Slip or shudder (5th) C2 clutch AUTOMATIC TRANSMISSION UNIT 
    C3 clutch AUTOMATIC TRANSMISSION UNIT 
    B1 brake AUTOMATIC TRANSMISSION UNIT 
    Slip or shudder (6th) C2 clutch AUTOMATIC TRANSMISSION UNIT 
    B2 brake AUTOMATIC TRANSMISSION UNIT 
    No engine braking (1st to 4th, shift lever in S) C4 clutch AUTOMATIC TRANSMISSION UNIT 
    No engine braking (1st: shift lever in 1) Valve body assembly REMOVAL 
    B4 brake AUTOMATIC TRANSMISSION UNIT 
    No engine braking (2nd: shift lever in 2) Valve body assembly REMOVAL 
    B2 brake AUTOMATIC TRANSMISSION UNIT 
    No engine braking (3rd. shift lever in 3) Valve body assembly REMOVAL 
    B1 brake AUTOMATIC TRANSMISSION UNIT 
    No engine braking (4th: shift lever in 4) Valve body assembly REMOVAL 
    No kick-down Valve body assembly REMOVAL 
    Shift point too high or too low Valve body assembly REMOVAL 
    Poor acceleration (all positions) Valve body assembly REMOVAL 
    Torque converter clutch TORQUE CONVERTER CLUTCH AND DRIVE PLATE 
    Poor acceleration (6th) B2 brake AUTOMATIC TRANSMISSION UNIT 
    C2 clutch AUTOMATIC TRANSMISSION UNIT 
    Front planetary gear unit AUTOMATIC TRANSMISSION UNIT 
    Engine stalls when starting off or stopping Valve body assembly REMOVAL 
    Torque converter clutch TORQUE CONVERTER CLUTCH AND DRIVE PLATE