Suzuki Liana RH413 Service Manual page 579

Condition
→
O/D 3 downshift fails to
occur
→
3 2 downshift fails to
occur
→
2 1 downshift fails to
occur
TCC (lock-up) function
does not operate
Possible cause
Malfunction of shift solenoid valve-A
Malfunction of O/D off switch
Malfunction of output shaft speed
sensor / VSS
Malfunction of input shaft speed sensor Inspect. If NG, replace.
Malfunction of throttle position sensor
Malfunction of timing solenoid valve
Malfunction of pressure control solenoid
valve
Faulty valve body component
Faulty forward clutch
Malfunction of shift solenoid valve-A
Malfunction of output shaft speed
sensor / VSS
Malfunction of throttle position sensor
Faulty valve body component
Faulty one-way clutch No.1
Malfunction of shift solenoid valve-B
Malfunction of output shaft speed
sensor / VSS
Malfunction of throttle position sensor
Faulty valve body component
Faulty one-way clutch No.2
Malfunction of TCC solenoid valve
Malfunction of brake light switch
Malfunction of engine coolant
temperature sensor
Malfunction of output shaft speed
sensor / VSS
Malfunction of input shaft speed sensor Inspect. If NG, replace.
Malfunction of throttle position sensor
Malfunction of transmission range
sensor
Malfunction of transmission fluid
temperature sensor
Malfunction of pressure control solenoid
valve
Faulty valve body component
Faulty torque converter
Automatic Transmission/Transaxle:
Correction / Reference Item
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.
Replace valve body assembly.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Replace valve body assembly.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Replace valve body assembly.
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.
Inspect. If NG, replace valve body assembly.
Replace valve body assembly.
Replace.
5A-31