Problem Symptoms Table
HINT:
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, 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.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
TRANSFER SYSTEM
| Symptom | Suspected Area | See |
|---|---|---|
| Noise | Oil (Level low) | Refer to ON-VEHICLE INSPECTION |
| Oil (Wrong) | Refer to ON-VEHICLE INSPECTION | |
| Transfer faulty | Refer to DISASSEMBLY | |
| Oil leakage | Oil (Level too high) | Refer to ON-VEHICLE INSPECTION |
| Gasket (Damaged) | Refer to DISASSEMBLY | |
| Oil seal (Worn or damaged) | Refer to DISASSEMBLY | |
| O-ring (Worn or damaged) | Refer to DISASSEMBLY | |
| Hard to shift or does not shift | Shifting key spring (Damaged) | Refer to DISASSEMBLY |
| Synchronizer spring (Worn or damaged) | Refer to DISASSEMBLY | |
| 4WD indicator light does not come on | Harness or connector | Refer to SYSTEM DIAGRAM |
| Combination meter | Refer to PROBLEM SYMPTOMS TABLE | |
| CAN communication system | Refer to DIAGNOSIS SYSTEM | |
| Four wheel drive control ECU | Refer to TERMINALS OF ECU | |
| Transfer indicator switch (for 4WD position) | Refer to INSPECTION | |
| 4WD indicator light remains on | Four wheel drive control ECU | Refer to TERMINALS OF ECU |
| Transfer indicator switch (for 4WD position) | Refer to INSPECTION | |
| Combination meter | Refer to TERMINALS OF ECU | |
| Shift from 2WD (H2) to 4WD (H4) is impossible | Transfer indicator switch (for 4WD position) | Refer to INSPECTION |
| A.D.D. actuator | Refer to INSPECTION | |
| Harness or connector | Refer to SYSTEM DIAGRAM | |
| ECM | Refer to TERMINALS OF ECM | |
| Four wheel drive control ECU | Refer to TERMINALS OF ECU | |
| Shift from 4WD (H4) to 2WD (H2) is impossible | Transfer indicator switch (for 4WD position) | Refer to INSPECTION |
| A.D.D. actuator | Refer to INSPECTION | |
| Harness or connector | Refer to SYSTEM DIAGRAM | |
| ECM | Refer to TERMINALS OF ECM | |
| Four wheel drive control ECU | Refer to TERMINALS OF ECU | |
| Shift from 4WD (H4) to 4WD (L4) is impossible | Transfer indicator switch (for 4WD position) | Refer to INSPECTION |
| Transfer indicator switch (for L4 position) | Refer to INSPECTION | |
| Transfer indicator switch (for neutral position) | Refer to INSPECTION | |
| Harness or connector | Refer to SYSTEM DIAGRAM | |
| ECM | Refer to TERMINALS OF ECM | |
| Shift from 4WD (L4) to 4WD (H4) is impossible | Transfer indicator switch (for 4WD position) | Refer to INSPECTION |
| Transfer indicator switch (for L4 position) | Refer to INSPECTION | |
| Transfer indicator switch (for neutral position) | Refer to INSPECTION | |
| Harness or connector | Refer to SYSTEM DIAGRAM | |
| ECM | Refer to TERMINALS OF ECM |