5A-28 Automatic Transmission/Transaxle:
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.
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.
O/D
→
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.
Condition Possible cause Correction / Reference Item