Suzuki 2006 SX4 Service Manual page 622

5A-34 Automatic Transmission/Transaxle:
Condition
Non operate TCC (lock-
up) system
Higher or lower stall
speed
→
Excessive "N" "D" or
→
"N" "R" time lag
Higher or lower line
pressure
Possible cause
TCC solenoid valve circuit faulty
Transmission range sensor circuit faulty Inspect circuit for open, short and intermittent.
Transmission fluid temperature sensor
circuit faulty
Throttle position sensor circuit faulty
Engine coolant temperature sensor
circuit faulty
Brake light switch circuit faulty
CAN communication 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
Correction / Reference Item
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
referring to "Electric Throttle Body Assembly
On-Vehicle Inspection in Section 1C". If NG,
repair.
Inspect circuit for open, short and intermittent
referring to "Engine Coolant Temperature
(ECT) Sensor Inspection in Section 1C". If NG,
repair.
Inspect circuit for open, short and intermittent.
If NG, repair.
Inspect circuit for open, short and intermittent.
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.
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.