Suzuki Grand Vitara Manual page 44

5A-40 Automatic Transmission/Transaxle:
Trouble Diagnosis 2
On-vehicle repair
Condition
Unable to run in all range Faulty valve body component
Excessive shift shock
→
Poor 1 2 shift
→
Poor 2 3 shift
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Possible cause
Engine abnormal condition
Malfunction of shift 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 except
N → D or N → R shifting
Malfunction of accelerator pedal position
sensor
Faulty valve body component
Malfunction of shift solenoid valve No.2 Inspect. If NG, replace.
Malfunction of output shaft speed
sensor
Malfunction of transmission range
sensor
Malfunction of accelerator pedal position
sensor
Faulty valve body component
Malfunction of shift solenoid valve No.1 Inspect. If NG, replace.
Malfunction of output shaft speed
sensor
Malfunction of transmission range
sensor
Malfunction of accelerator pedal position
sensor
Faulty valve body component
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Correction / Reference Item
Replace valve body assembly.
Inspect and repair engine.
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.
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".
Replace valve body assembly.
Inspect. If NG, replace.
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".
Replace valve body assembly.