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Suzuki SX4 Service Manual page 742

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5A-42 Automatic Transmission/Transaxle:
Condition
Non operate TCC (lock-
up) system
Excessive "N"
"D" or
"N"
"R" time lag
Trouble Diagnosis 3
Off-vehicle repair
Condition
Unable to run in all range Faulty oil pump
Excessive "N"
"D" shift
shock
Excessive "N"
"R" shift
shock
Poor 1
2 shift,
excessive shock or
slippage
Poor 2
3 shift,
excessive shock or
slippage
Poor 3
O/D shift,
excessive shock or
slippage
Poor 3
2 shift,
excessive shock or
slippage
Poor 2
1 shift,
excessive shock or
slippage
Possible cause
Malfunction of TCC solenoid valve
Malfunction of shift solenoid valve-A
and/or -B
Malfunction of output shaft speed
sensor (VSS)
Malfunction of input shaft speed sensor Inspect. If NG, replace.
Malfunction of transmission range
sensor
Malfunction of transmission fluid
temperature sensor
Malfunction of pressure control solenoid
valve
Malfunction of Accelerator pedal
position (APP) sensor
Malfunction of engine coolant
temperature sensor
Malfunction of brake light switch
Faulty valve body component
Malfunction of transmission fluid
temperature sensor
Pressure control solenoid valve circuit
faulty
Clogged oil strainer
Faulty valve body component
Possible cause
Seized or broken planetary gear
Faulty one-way No.2 clutch
Damaged drive plate
Faulty forward clutch
Faulty reverse clutch
Faulty 1st and reverse brake
Faulty torque converter
Faulty forward clutch
Faulty reverse clutch
Faulty 1st and reverse brake
Faulty 2nd brake
Faulty one-way No.1 clutch
Faulty direct clutch
Faulty forward clutch
Faulty O/D and 2nd coast brake
Faulty direct clutch
Faulty one-way No.1 clutch
Faulty 2nd brake
Faulty one-way No.2 clutch
Correction / Reference Item
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace valve body assembly.
Inspect referring to "Accelerator Pedal Position
(APP) Sensor Assembly On-Vehicle Inspection
in Section 1C". If NG, replace.
Inspect referring to "Engine Coolant
Temperature (ECT) Sensor Inspection in
Section 1C". If NG, replace.
Inspect referring to "Brake Light Switch
Inspection in Section 9B". If NG, replace.
Replace valve body assembly.
Inspect. If NG, replace.
Inspect. If NG, replace valve body assembly.
Replace.
Replace valve body assembly.
Correction / Reference Item
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.

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