Tech Tips
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.
| Symptom | Suspected Area | Link |
|---|---|---|
| Tight-corner braking phenomenon* | 4WD linear solenoid circuit | Click here |
| Steering sensor circuit | ||
| Vehicle stability control system | ||
| 4WD ECU assembly | ||
| Electro magnetic control coupling sub-assembly | ||
| AWD warning message remains displayed | AWD warning light circuit (Remains illuminated) | |
| AWD warning message is not displayed | AWD warning light circuit (Does not illuminate) | |
| AWD lock function does not operate | AWD lock mode switch circuit | |
| 4WD ECU assembly | ||
| AWD lock mode indicator light does not illuminate | CAN communication system | |
| AWD lock mode switch circuit | ||
| Combination meter assembly | ||
| 4WD ECU assembly | ||
| The system is in DTC output mode although terminals TC and CG of the DLC3 are not connected | TC and CG terminal circuit | |
| The system is not in DTC output mode although terminals TC and CG of the DLC3 are connected | TC and CG terminal circuit | |
| AWD warning light circuit (Does not illuminate) |
*: Tight corner braking phenomenon: a phenomenon in which an AWD vehicle may lurch and decelerate due to a rotational speed difference between the front and rear wheels, such as during low-speed cornering in AWD mode.