Automatic Transmission/Transaxle: 5A-37
Non operate TCC (lock-
up) system
TCC pressure control solenoid valve
circuit faulty
Inspect circuit for open, short and intermittent.
If NG, repair.
Shift solenoid valve-A and/or-B circuit
faulty
Inspect circuit for open, short and intermittent.
If NG, repair.
Pressure control solenoid valve circuit
faulty
Inspect circuit for open, short and intermittent.
If NG, repair.
Output shaft speed sensor circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Input shaft speed sensor circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Transmission range sensor circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Transmission fluid temperature sensor
circuit faulty
Inspect circuit for open, short and intermittent.
If NG, repair.
CAN communication circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Throttle position sensor circuit faulty Inspect circuit for open, short and intermittent
referring to “Electric Throttle Body Assembly
On-Vehicle Inspection in Section 1C”. If NG,
repair.
Engine coolant temperature sensor
circuit faulty
Inspect circuit for open, short and intermittent
referring to “DTC P0117: Engine Coolant
Temperature Circuit Low in Section 1A” and/or
“DTC P0118: Engine Coolant Temperature
Circuit High in Section 1A”. If NG, repair.
Brake light switch circuit faulty Refer to “No Lock-Up Occurs”.
TCM Substitute a known-good TCM and recheck.
ECM Substitute a known-good ECM and recheck.
Higher or lower stall
speed
Pressure control solenoid valve circuit
faulty
Inspect circuit for open, short and intermittent.
If NG, repair.
TCM Substitute a known-good TCM and recheck.
Excessive “N”
→
“D” or
“N”
→
“R” time lag
Pressure control solenoid valve circuit
faulty
Inspect circuit for open, short and intermittent.
If NG, repair.
Transmission fluid temperature sensor
circuit faulty
Inspect circuit for open, short and intermittent.
If NG, repair.
TCM Substitute a known-good TCM and recheck.
Higher or lower line
pressure
Pressure control solenoid valve circuit
faulty
Inspect circuit for open, short and intermittent.
If NG, repair.
TCM Substitute a known-good TCM and recheck.
Condition Possible cause Correction / Reference Item