Condition | Possible Cause | Action |
---|---|---|
Unable to run in all range
|
Faulty valve body component
|
Replace valve body assembly.
|
Faulty oil pump
|
Inspect. If NG, replace.
|
|
Seized or broken planetary gear
|
Inspect. If NG, replace.
|
|
Faulty one-way No.2 clutch
|
Inspect. If NG, replace.
|
|
Faulty forward clutch
|
Inspect. If NG, replace.
|
|
Faulty reverse clutch
|
Inspect. If NG, replace.
|
|
Faulty 1st and reverse brake
|
Inspect. If NG, replace.
|
|
Damaged drive plate
|
Inspect. If NG, replace.
|
|
Faulty torque converter
|
Replace.
|
|
No gear shift as 3rd gear
|
Malfunction of shift solenoid valve-A and/or- B
|
Inspect. If NG, replace.
|
Malfunction of timing solenoid valve
|
Inspect. If NG, replace.
|
|
Malfunction of pressure control solenoid valve
|
Inspect. If NG, replace valve body assembly.
|
|
1 → 2 upshift fails to occur
|
Malfunction of shift solenoid valve-B
|
Inspect. If NG, replace.
|
Malfunction of output shaft speed sensor
|
Inspect. If NG, replace.
|
|
Malfunction of throttle position sensor
|
Inspect. If NG, replace.
|
|
Malfunction of transmission range sensor
|
Inspect. If NG, replace.
|
|
Faulty valve body component
|
Replace valve body assembly
|
|
Faulty 2nd brake
|
Inspect. If NG, replace.
|
|
Faulty one-way No.1 clutch
|
Inspect. If NG, replace.
|
|
2 → 3 upshift fails to occur
|
Malfunction of shift solenoid valve-A
|
Inspect. If NG, replace.
|
Malfunction of output shaft speed sensor
|
Inspect. If NG, replace.
|
|
Malfunction of throttle position sensor
|
Inspect. If NG, replace.
|
|
Malfunction of transmission range sensor
|
Inspect. If NG, replace.
|
|
Faulty valve body component
|
Replace valve body assembly.
|
|
Faulty direct clutch
|
Inspect. If NG, replace.
|
|
3 → 4 upshift fails to occur
|
Malfunction of shift solenoid valve-B
|
Inspect. If NG, replace.
|
Malfunction of “3” position switch
|
Inspect. If NG, replace.
|
|
Malfunction of engine coolant temperature sensor
|
Inspect. If NG, replace.
|
|
Malfunction of output shaft speed sensor
|
Inspect. If NG, replace.
|
|
Malfunction of input shaft speed sensor
|
Inspect. If NG, replace.
|
|
Malfunction of throttle position sensor
|
Inspect. If NG, replace.
|
|
Malfunction of transmission range sensor
|
Inspect. If NG, replace.
|
|
Malfunction of crankshaft position sensor
|
Inspect. If NG, replace.
|
|
Malfunction of timing solenoid valve
|
Inspect. If NG, replace.
|
|
Malfunction of transmission fluid temperature sensor
|
Inspect. If NG, replace.
|
|
Malfunction of pressure control solenoid valve
|
Inspect. If NG, replace valve body assembly.
|
|
Faulty valve body component
|
Replace valve body assembly.
|
|
Faulty O/D and 2nd coast brake
|
Inspect. If NG, replace.
|
|
4 → 3 downshift fails to occur
|
Malfunction of shift solenoid valve-A
|
Inspect. If NG, replace.
|
Malfunction of “3” position switch
|
Inspect. If NG, replace.
|
|
Malfunction of output shaft speed sensor
|
Inspect. If NG, replace.
|
|
Malfunction of input shaft speed sensor
|
Inspect. If NG, replace.
|
|
Malfunction of throttle position sensor
|
Inspect. If NG, replace.
|
|
Malfunction of timing solenoid valve
|
Inspect. If NG, replace.
|
|
Malfunction of pressure control solenoid valve
|
Inspect. If NG, replace valve body assembly.
|
|
Faulty valve body component
|
Replace valve body assembly.
|
|
Faulty forward clutch
|
Inspect. If NG, replace.
|
|
3 → 2 downshift fails to occur
|
Malfunction of shift solenoid valve-A
|
Inspect. If NG, replace.
|
Malfunction of output shaft speed sensor
|
Inspect. If NG, replace.
|
|
Malfunction of throttle position sensor
|
Inspect. If NG, replace.
|
|
Faulty valve body component
|
Replace valve body assembly.
|
|
Faulty one-way No.1 clutch
|
Inspect. If NG, replace.
|
|
2 → 1 downshift fails to occur
|
Malfunction of shift solenoid valve-B
|
Inspect. If NG, replace.
|
Malfunction of output shaft speed sensor
|
Inspect. If NG, replace.
|
|
Malfunction of throttle position sensor
|
Inspect. If NG, replace.
|
|
Faulty valve body component
|
Replace valve body assembly.
|
|
Faulty one-way No.2 clutch
|
Inspect. If NG, replace.
|
|
Gear shift point is incorrect
|
Abnormal engine condition
|
Inspect and repair engine.
|
Malfunction of output shaft speed sensor
|
Inspect. If NG, replace.
|
|
Malfunction of throttle position sensor
|
Inspect. If NG, replace.
|
|
Malfunction of pressure control solenoid valve
|
Inspect. If NG, replace valve body assembly.
|
|
TCC (lock-up) function does not operate
|
Malfunction of TCC solenoid valve
|
Inspect. If NG, replace.
|
Malfunction of shift solenoid valve-A and/or- B
|
Inspect. If NG, replace.
|
|
Malfunction of brake light switch
|
Inspect. If NG, replace.
|
|
Malfunction of engine coolant temperature sensor
|
Inspect. If NG, replace.
|
|
Malfunction of output shaft speed sensor
|
Inspect. If NG, replace.
|
|
Malfunction of input shaft speed sensor
|
Inspect. If NG, replace.
|
|
Malfunction of throttle position sensor
|
Inspect. If NG, replace.
|
|
Malfunction of transmission range sensor
|
Inspect. If NG, replace.
|
|
Malfunction of transmission fluid temperature sensor
|
Inspect. If NG, replace.
|
|
Malfunction of pressure control solenoid valve
|
Inspect. If NG, replace valve body assembly.
|
|
Faulty valve body component
|
Replace valve body assembly.
|
|
Faulty torque converter
|
Replace.
|