Suzuki Liana RH413 Service Manual page 586

5A-38 Automatic Transmission/Transaxle:
Condition
→
Poor 3 O/D shift
→
Poor O/D 3 shift
Possible cause
Shift solenoid valve-B circuit faulty
Pressure control solenoid valve circuit
faulty
Timing solenoid valve circuit faulty
Output shaft speed sensor / VSS circuit
faulty
Input shaft speed sensor circuit faulty
Transmission range sensor circuit faulty Inspect circuit for open, short and intermittent.
Transmission fluid temperature sensor
circuit faulty
Throttle position signal circuit faulty
Engine coolant temperature signal
circuit faulty
Engine speed signal circuit faulty
Throttle position sensor circuit faulty
Engine coolant temperature sensor
circuit faulty
Crankshaft position sensor circuit faulty Inspect circuit for open, short and intermittent
O/D off switch circuit faulty
TCM
ECM
Shift solenoid valve-B circuit faulty
Pressure control solenoid valve circuit
faulty
Timing solenoid valve circuit faulty
Output shaft speed sensor / VSS circuit
faulty
Input shaft speed sensor circuit faulty
Throttle position signal circuit faulty
Throttle position sensor circuit faulty
O/D off switch circuit faulty
TCM
ECM
Correction / Reference Item
Inspect circuit for open, short and intermittent.
If NG, repair.
Inspect circuit for open, short and intermittent.
If NG, repair.
Inspect circuit for open, short and intermittent.
If NG, repair.
Inspect circuit for open, short and intermittent.
If NG, repair.
Inspect circuit for open, short and intermittent.
If NG, repair.
If NG, repair.
Inspect circuit for open, short and intermittent.
If NG, repair.
Inspect circuit for open, short and intermittent.
If NG, repair.
Inspect circuit for open, short and intermittent.
If NG, repair.
Inspect circuit for open, short and intermittent.
If NG, repair.
Inspect circuit for open, short and intermittent
referring to "DTC P0120 (No. 13): Throttle
Position Circuit Malfunction in Section 1A". If
NG, repair.
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.
referring to "DTC P0335 (No. 23): Crankshaft
Position (CKP) Sensor Circuit Malfunction in
Section 1A". If NG, repair.
Refer to "No Gear Shift to O/D".
Substitute a known-good TCM and recheck.
Substitute a known-good ECM and recheck.
Inspect circuit for open, short and intermittent.
If NG, repair.
Inspect circuit for open, short and intermittent.
If NG, repair.
Inspect circuit for open, short and intermittent.
If NG, repair.
Inspect circuit for open, short and intermittent.
If NG, repair.
Inspect circuit for open, short and intermittent.
If NG, repair.
Inspect circuit for open, short and intermittent.
If NG, repair.
Inspect circuit for open, short and intermittent
referring to "DTC P0120 (No. 13): Throttle
Position Circuit Malfunction in Section 1A". If
NG, repair.
Refer to "No Gear Shift to O/D".
Substitute a known-good TCM and recheck.
Substitute a known-good ECM and recheck.