Suzuki GRAND VITARA Owner's Manual page 907

Condition
Incorrect gear shift point Output shaft speed sensor circuit faulty Inspect circuit for open, short and intermittent.
Non operate TCC / lock-up
system
Higher or lower stall
speed
→
Excessive "N" "D" or
→
"N" "R" time lag
Higher or lower line
pressure
Excessive slippage in all
range
Possible cause
Pressure control solenoid valve circuit
faulty
CAN communication circuit faulty
Accelerator pedal position sensor circuit
faulty
TCM
ECM
Lock-up control solenoid valve circuit
faulty
Shift solenoid valve No.1 and/or No.2
circuit faulty
Pressure control solenoid valve cicuit
faulty
Output shaft speed sensor circuit faulty Inspect circuit for open, short and intermittent.
Input shaft speed sensor circuit faulty
Transmission range sensor circuit faulty Inspect circuit for open, short and intermittent.
Transmission fluid temperature sensor
circuit faulty
CAN communication circuit faulty
Crankshaft position sensor circuit faulty Inspect circuit for opnen, short and intermittent
Brake light switch circuit faulty
Accelerator pedal position sensor circuit
faulty
TCM
ECM
Pressure control solenoid valve circuit
faulty
TCM
Pressure control solenoid valve circuit
faulty
TCM
Pressure control solenoid valve circuit
faulty
TCM
Pressure control solenoid valve circuit
faulty
TCM
Automatic Transmission/Transaxle:
Correction / Reference Item
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 P0122: Throttle Position
Sensor (Main) Circuit Low: in Section 1A",
"DTC P0123: Throttle Position Sensor (Main)
Circuit High: in Section 1A", "DTC P0222:
Throttle Position Sensor (Sub) Circuit Low: in
Section 1A" and "DTC P0223: Throttle Position
Sensor (Sub) Circuit High: in Section 1A".
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.
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.
referring to "DTC P0335: Crankshaft Position
(CKP) Sensor Circuit (For M16 Engine): in
Section 1A".
Refer to "No Lock-Up Occurs: ".
Inspect circuit for open, short and intermittent
referring to "DTC P0122: Throttle Position
Sensor (Main) Circuit Low: in Section 1A",
"DTC P0123: Throttle Position Sensor (Main)
Circuit High: in Section 1A", "DTC P0222:
Throttle Position Sensor (Sub) Circuit Low: in
Section 1A" and "DTC P0223: Throttle Position
Sensor (Sub) Circuit High: in Section 1A".
Substitute a known-good TCM and recheck.
Substitute a known-good ECM and recheck.
Inspect circuit for open, short and intermittent.
If NG, repair.
Substitute a known-good TCM and recheck.
Inspect circuit for open, short and intermittent.
If NG, repair.
Substitute a known-good TCM and recheck.
Inspect circuit for open, short and intermittent.
If NG, repair.
Substitute a known-good TCM and recheck.
Inspect circuit for open, short and intermittent.
If NG, repair.
Substitute a known-good TCM and recheck.
5A-39