Suzuki Grand Vitara Manual page 45

Condition
→
Poor 3 O/D shift
→
Poor O/D 3 shift
→
Poor 3 2 shift
→
Poor 2 1 shift
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Possible cause
Malfunction of shift solenoid valve No.2 Inspect. If NG, replace.
Malfunction of output shaft speed
sensor
Malfunction of transmission range
sensor
Malfunction of "3" position switch
Malfunction of accelerator pedal position
sensor
Malfunction of pressure control solenoid
valve
Faulty valve body component
Malfunction of shift solenoid valve No.2 Inspect. If NG, replace.
Malfunction of output shaft speed
sensor
Malfunction of "3" position switch
Malfunction of accelerator pedal position
sensor
Malfunction of pressure control solenoid
valve
Faulty valve body component
Malfunction of shift solenoid valve No.1 Inspect. If NG, replace.
Malfunction of output shaft speed
sensor
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 accelerator pedal position
sensor
Faulty valve body component
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Automatic Transmission/Transaxle:
Correction / Reference Item
Inspect. If NG, replace.
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".
Inspect. If NG, replace valve body assembly.
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".
Inspect. If NG, replace valve body assembly.
Replace valve body assembly.
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 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.
5A-41