Suzuki Liana RH413 Service Manual page 587

Condition
→
Poor 3 2 shift
→
Poor 2 1 shift
Incorrect gear shift point Output shaft speed sensor / VSS circuit
Possible cause
Shift solenoid valve-A circuit faulty
Output shaft speed sensor / VSS circuit
faulty
Throttle position signal circuit faulty
Throttle position sensor circuit faulty
TCM
ECM
Shift solenoid valve-A circuit faulty
Output shaft speed sensor / VSS circuit
faulty
Throttle position signal circuit faulty
Throttle position sensor circuit faulty
TCM
ECM
faulty
Pressure control solenoid valve circuit
faulty
Throttle position signal circuit faulty
Throttle position sensor circuit faulty
TCM
ECM
Automatic Transmission/Transaxle:
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
referring to "DTC P0120 (No. 13): Throttle
Position Circuit Malfunction in Section 1A". If
NG, repair.
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
referring to "DTC P0120 (No. 13): Throttle
Position Circuit Malfunction in Section 1A". If
NG, repair.
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
referring to "DTC P0120 (No. 13): Throttle
Position Circuit Malfunction in Section 1A". If
NG, repair.
Substitute a known-good TCM and recheck.
Substitute a known-good ECM and recheck.
5A-39