5A
Poor 3 → 4 shift
Trouble diagnosis 2
On-vehicle Repair
Condition Possible Cause Action
Poor 3 → 4 shift
Malfunction of shift solenoid valve-B
Inspect. If NG, replace.
Malfunction of timing solenoid valve
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 transmission range sensor
Inspect. If NG, replace.
Malfunction of Transmission fluid temperature sensor
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 throttle position 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.