On-vehicle repair
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A/T SYMPTOM DIAGNOSIS PROCEDURE 2
| Condition | Possible Cause | Action |
|---|---|---|
| Unable to run in all range | Faulty valve body component | Replace valve body assembly . |
| Poor 1 --> 2 shift, excessive shock or slippage | Engine abnormal condition | Inspect and repair engine . |
| Malfunction of shift solenoid valve-A | 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 throttle position sensor | Inspect referring to THROTTLE POSITION (TP) SENSOR ON-VEHICLE INSPECTION . If NG, replace . | |
| Malfunction of pressure control solenoid valve | Inspect. If NG, replace valve body assembly . | |
| Faulty valve body component | Replace valve body assembly . | |
| Poor 2 --> 3 shift, excessive shock or slippage | Engine abnormal condition | Inspect and repair engine . |
| Malfunction of shift solenoid valve-B | 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 throttle position sensor | Inspect referring to THROTTLE POSITION (TP) SENSOR ON-VEHICLE INSPECTION . If NG, replace . | |
| Malfunction of pressure control solenoid valve | Inspect. If NG, replace valve body assembly . | |
| Faulty valve body component | Replace valve body assembly . | |
| Poor 3 --> O/D shift, excessive shock or slippage | Engine abnormal condition | Inspect and repair engine . |
| Malfunction of transmission range sensor | Inspect. If NG, replace . | |
| Malfunction of transmission fluid temperature sensor | Inspect. If NG, replace . | |
| Malfunction of O/D switch | Inspect. If NG, replace . | |
| Malfunction of engine coolant temperature sensor | Inspect referring to ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION . If NG, replace . | |
| Malfunction of throttle position sensor | Inspect referring to THROTTLE POSITION (TP) SENSOR ON-VEHICLE INSPECTION . If NG, replace . | |
| Malfunction of pressure control solenoid valve | Inspect. If NG, replace valve body assembly . | |
| Faulty valve body component | Replace valve body assembly . | |
| Incorrect shift point | Engine abnormal condition | Inspect and repair engine . |
| Non operate TCC (lock-up) system | Malfunction of TCC solenoid valve | Inspect. If NG, replace . |
| Malfunction of transmission fluid temperature sensor | Inspect. If NG, replace . | |
| Malfunction of throttle position sensor | Inspect referring to THROTTLE POSITION (TP) SENSOR ON-VEHICLE INSPECTION . If NG, replace . | |
| Malfunction of engine coolant temperature sensor | Inspect referring to ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION . If NG, replace . | |
| Malfunction of brake light switch | Inspect referring to BRAKE LIGHT SWITCH INSPECTION . If NG, replace . | |
| Faulty valve body component | Replace valve body assembly . | |
| Excessive "N"-->"D" or "N"-->"R" time lag | Pressure control solenoid valve faulty | Inspect. If NG, replace valve body assembly . |
| Primary regulator valve faulty | Replace valve body assembly . |