Suzuki Grand Vitara 2011 Manual page 1266

5A-41 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
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
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 "Brake Light Switch
Inspection in Section 9B". If NG, replace.
Inspect referring to "DTC P0122: Throttle
Position Sensor (Main) Circuit Low: For Petrol
Engine Model in Section 1A", "DTC P0123:
Throttle Position Sensor (Main) Circuit High:
For Petrol Engine Model in Section 1A", "DTC
P0222: Throttle Position Sensor (Sub) Circuit
Low: For Petrol Engine Model in Section 1A"
and "DTC P0223: Throttle Position Sensor
(Sub) Circuit High: For Petrol Engine Model 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: For Petrol
Engine Model in Section 1A", "DTC P0123:
Throttle Position Sensor (Main) Circuit High:
For Petrol Engine Model in Section 1A", "DTC
P0222: Throttle Position Sensor (Sub) Circuit
Low: For Petrol Engine Model in Section 1A"
and "DTC P0223: Throttle Position Sensor
(Sub) Circuit High: For Petrol Engine Model in
Section 1A".
Replace valve body assembly.