Suzuki SX4 Service Manual page 740

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
Possible cause
Engine abnormal condition
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 timing solenoid valve only
when N → D or 3 ↔ 4 shifting
Malfunction of pressure control solenoid
valve
Malfunction of brake light switch except
N → D or N → R shifting
Malfunction of crankshaft position
sensor
Malfunction of Accelerator pedal
position (APP) sensor
Faulty valve body component
Malfunction of shift solenoid valve-B
Malfunction of output shaft speed
sensor (VSS)
Malfunction of transmission range
sensor
Malfunction of Accelerator pedal
position (APP) sensor
Faulty valve body component
Malfunction of shift solenoid valve-A
Malfunction of output shaft speed
sensor (VSS)
Malfunction of transmission range
sensor
Malfunction of Accelerator pedal
position (APP) 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.
Inspect. If NG, replace valve body assembly.
Inspect referring to "Brake Light Switch
Inspection in Section 9B". If NG, replace.
Inspect referring to "Camshaft Position (CMP)
Sensor Inspection in Section 1C". If NG,
replace.
Inspect referring to "Accelerator Pedal Position
(APP) Sensor Assembly On-Vehicle Inspection
in Section 1C". If NG, replace.
Replace valve body assembly.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect referring to "Accelerator Pedal Position
(APP) Sensor Assembly On-Vehicle Inspection
in Section 1C". If NG, replace.
Replace valve body assembly.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect referring to "Accelerator Pedal Position
(APP) Sensor Assembly On-Vehicle Inspection
in Section 1C". If NG, replace.
Replace valve body assembly.