Condition
Excessive shift shock
→
Poor 1
2 shift
→
Poor 2
3 shift
→
Poor 3
O/D 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 fluid
temperature sensor
Malfunction of timing solenoid valve only
when N → D or 3 ↔ O/D 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 throttle position 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 throttle position 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 throttle position sensor
Faulty valve body component
Malfunction of shift solenoid valve-B
Malfunction of timing solenoid valve
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 O/D switch
Malfunction of engine coolant
temperature sensor
Malfunction of throttle position sensor
Malfunction of pressure control solenoid
valve
Faulty valve body component
Automatic Transmission/Transaxle:
Correction / Reference Item
Inspect and repair engine.
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 "Stop (Brake) Lamp Switch
Inspection in Section 9B". If NG, replace.
Inspect referring to "Crankshaft Position (CKP)
Sensor and Its Circuit Inspection in Section
1C". If NG, replace.
Inspect referring to "Throttle Position (TP)
Sensor 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 "Throttle Position (TP)
Sensor 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 "Throttle Position (TP)
Sensor 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. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect referring to "Engine Coolant
Temperature (ECT) Sensor Inspection in
Section 1C". If NG, replace.
Inspect referring to "Throttle Position (TP)
Sensor On-Vehicle Inspection in Section 1C".
If NG, replace.
Inspect. If NG, replace valve body assembly.
Replace valve body assembly.
5A-41