Road Test: Troubleshooting
TROUBLESHOOTING CHART
| Condition | Possible cause | Correction / Reference Item |
|---|---|---|
| Unable to run in any forward positions | Faulty forward clutch | Inspect. If NG, replace. |
| Unable to run in reverse position | Faulty direct clutch | Inspect. If NG, replace. |
| Faulty 1st / reverse brake | Inspect. If NG, replace. | |
| Faulty U/D brake | Inspect. If NG, replace. | |
| 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 torque converter | Inspect. If NG, replace. | |
| Damaged drive plate | Inspect. If NG, replace. | |
| 1 2 upshift fails to occur | 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 coast brake | Inspect. If NG, replace. | |
| Faulty 2nd brake | Inspect. If NG, replace. | |
| Faulty one-way clutch No. 1 | Inspect. If NG, replace. | |
| 2 3 upshift fails to occur | 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 U/D clutch | Inspect. If NG, replace. | |
| 3 O/D upshift fails to occur | Malfunction of O/D OFF 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 transmission range sensor | Inspect. If NG, replace. | |
| Malfunction of transmission fluid temperature sensor | Inspect. If NG, replace. | |
| Faulty valve body component | Replace valve body assembly. | |
| Faulty direct clutch | Inspect. If NG, replace. | |
| Gear shift point is incorrect | Abnormal engine condition | Inspect and repair engine. |
| Malfunction of throttle position sensor | Inspect. If NG, replace. | |
| TCC (lock-up) function does not operate | Malfunction of brake light 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 transmission range sensor | Inspect. If NG, replace. | |
| Malfunction of transmission fluid temperature sensor | Inspect. If NG, replace. | |
| Faulty valve body component | Replace valve body assembly. | |
| Faulty torque converter | Replace torque converter. |