Stall Test: Troubleshooting
TROUBLESHOOTING CHART
| Condition | Possible cause | Correction / Reference Item |
|---|---|---|
| Lower than standard level in both "D" and "R" range | Engine output torque failure | Inspect and repair engine. |
| Faulty one-way clutch of torque converter | Replace torque converter. | |
| Higher than standard level in "D" range | Malfunction of pressure control solenoid valve (Low line pressure) | Inspect. If NG, replace valve body assembly. |
| Malfunction of primary regulator valve (Low line pressure) | Replace valve body assembly. | |
| Clogged oil strainer | Replace. | |
| Faulty oil pump | Inspect. If NG, replace. | |
| Slippery forward clutch | Inspect. If NG, replace. | |
| Faulty one-way No. 3 clutch | Inspect. If NG, replace. | |
| Leakage from "D" range fluid pressure circuit | Overhaul or replace valve body assembly. | |
| Higher than standard level in "R" range | Malfunction of pressure control solenoid valve (Low line pressure) | Inspect. If NG, replace valve body assembly. |
| Malfunction of primary regulator valve (Low line pressure) | Replace valve body assembly. | |
| Clogged oil strainer | Replace. | |
| Faulty oil pump | Inspect. If NG, replace. | |
| Slippery direct clutch | Inspect. If NG, replace. | |
| Slippery 1st / reverse brake | Inspect. If NG, replace. | |
| Leakage from "R" range fluid pressure circuit | Overhaul or replace valve body assembly. | |
| Higher than standard level in both "D" and "R" range | Malfunction of pressure control solenoid valve (Low line pressure) | Inspect. If NG, replace valve body assembly. |
| Malfunction of primary regulator valve (Low line pressure) | Replace valve body assembly. | |
| Clogged oil strainer | Replace. | |
| Faulty oil pump | Inspect. If NG, replace. | |
| Faulty U/D brake | Inspect. If NG, replace. | |
| Leakage from both "D" and "R" range fluid pressure circuit | Overhaul or replace valve body assembly. |