Suzuki Liana RH413, Service Manual

Page: 588 / 1302

5A-40 Automatic Transmission/Transaxle:
Trouble Diagnosis 2
On-vehicle repair
Non operate TCC (lock-
up) system TCC 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 / VSS 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.
Engine coolant temperature signal
circuit faulty Inspect circuit for open, short and intermittent.
If NG, repair.
Throttle position signal 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 “DTC P0120 (No. 13): Throttle
Position Circuit Malfunction in Section 1A”.If
NG, repair.
Engine coolant temperature sensor
circuit faulty Inspect circuit for open, short and intermittent
referring to “DTC P0115 (No. 19): Engine
Coolant Temp. (ECT) Circuit Malfunction 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” timelag
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.
Excessive slippage in all
range 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
Condition Possible cause Correction / Reference Item
Unable to run in all range Faulty valve body component Replace valve body assembly.