Suzuki Grand Vitara Manual page 46

5A-42 Automatic Transmission/Transaxle:
Condition
Incorrect shift point
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
→
"R" shift
Excessive "N"
shock
→
Poor 1 2 shift, excessive
shock or slippage
→
Poor 2 3 shift, excessive
shock or slippage
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Possible cause
Engine abnormal condition
Malfunction of output shaft speed
sensor
Malfunction of accelerator pedal position
sensor
Malfunction of lock-up solenoid valve
Malfunction of shaft solenoid valve No.1
and/or No.2
Malfunction of output shaft speed
sensor
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 brake light switch
Malfunction of accelerator pedal position
sensor
Faulty valve body component
Pressure control solenoid valve circuit
faulty
Clogged oil strainer
Faulty valve body component
Possible cause
Seized or broken planetary gear
Fluid pressure leakage to overdrive
clutch due to wear of oil pump bushing
Damaged drive plate
Faulty torque converter
Faulty forward clutch
Faulty reverse brake
Faulty direct clutch
Faulty second brake
Faulty one-way clutch No.1
Faulty one-way clutch No.2
Faulty direct clutch
Faulty one-way clutch No.1
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Correction / Reference Item
Inspect and repair engine
Inspect. If NG, replace.
Inspect 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".
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 "Stop (Brake) Lamp Switch
Inspection: in Section 9B". If NG, replace.
Inspect 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".
Replace valve body assembly.
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.
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.