Problem Symptoms Table
Use TRANSFER SYSTEM to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Transfer system
TRANSFER SYSTEM
| Symptom | Suspected area | Information |
|---|---|---|
| Noise | Oil (level low) | TRANSFER OIL |
| Oil (wrong) | TRANSFER OIL | |
| Transfer (faulty) | TRANSFER ASSEMBLY | |
| Oil leakage | Oil (level too high) | TRANSFER OIL |
| Gasket (damaged) | TRANSFER ASSEMBLY | |
| Oil seal (worn or damaged) | TRANSFER ASSEMBLY | |
| O-ring (worn or damaged) | TRANSFER ASSEMBLY | |
| Hard to shift or will not shift | Shifting key spring (damaged) | TRANSFER ASSEMBLY |
| Synchronizer spring (worn or damaged) | TRANSFER ASSEMBLY | |
| Shift from 2WD (H2) to 4WD (H4) impossible | Indicator switch (for 4WD position) | TRANSFER ASSEMBLY |
| Differential vacuum actuator | INSPECTION | |
| Wire harness | TRANSFER SYSTEM | |
| Skid control ECU with actuator | TERMINALS OF ECU | |
| ECM | TERMINALS OF ECM | |
| 4WD control ECU | TRANSFER SYSTEM | |
| Shift from 4WD (H4) to 2WD (H2) impossible | Indicator switch (for 4WD position) | TRANSFER SYSTEM |
| Differential vacuum actuator | INSPECTION | |
| Wire harness | TRANSFER SYSTEM | |
| Skid control ECU with actuator | TERMINALS OF ECU | |
| ECM | TERMINALS OF ECM | |
| 4WD control ECU | TRANSFER SYSTEM | |
| Shift from 4WD (H4) to 4WD (L4) impossible | Indicator switch (for 4WD position) | TRANSFER INDICATOR SWITCH |
| Indicator switch | TRANSFER INDICATOR SWITCH | |
| Indicator switch (neutral position) | TRANSFER INDICATOR SWITCH | |
| Differential vacuum actuator | INSPECTION | |
| Wire harness | TRANSFER SYSTEM | |
| Skid control ECU with actuator | TERMINALS OF ECU | |
| ECM | TERMINALS OF ECM | |
| Shift from 4WD (L4) to 4WD (H4) impossible | Indicator switch (for 4WD position) | TRANSFER INDICATOR SWITCH |
| Indicator switch | TRANSFER INDICATOR SWITCH | |
| Indicator switch (neutral position) | TRANSFER INDICATOR SWITCH | |
| Differential vacuum actuator | INSPECTION | |
| Wire harness | TRANSFER SYSTEM | |
| Skid control ECU with actuator | TERMINALS OF ECU | |
| ECM | TERMINALS OF ECM |