Problem Symptoms Table [08/2019 - 08/2021]
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 | Link |
|---|---|---|
| Noise | Oil (Level low) | Refer to PROCEDURE - Step 2 |
| Oil (Wrong) | Refer to PROCEDURE - Step 2 | |
| Transfer faulty | Refer to DISASSEMBLY [08/2015 - ] | |
| Oil leakage | Oil (Level too high) | Refer to PROCEDURE - Step 2 |
| Gasket (Damaged) | Refer to DISASSEMBLY [08/2015 - ] | |
| Oil seal (Worn or damaged) | Refer to DISASSEMBLY [08/2015 - ] | |
| O-ring (Worn or damaged) | Refer to DISASSEMBLY [08/2015 - ] | |
| The 4LO indicator light remains off after operating the transfer position switch (combination switch assembly) to L4 | ECU power source circuit | Refer to ECU Power Source Circuit [08/2019 - ] |
| CAN communication system | Refer to 4WD Control Switch Circuit [08/2019 - 08/2021] | |
| Combination meter | ||
| Transfer position switch (combination switch assembly) | ||
| 4 wheel drive control ECU | ||
| The 4LO indicator light remains on after operating the transfer position switch (combination switch assembly) to H4 | ECU power source circuit | Refer to ECU Power Source Circuit [08/2019 - ] |
| CAN communication system | Refer to 4WD Control Switch Circuit [08/2019 - 08/2021] | |
| Combination meter assembly | ||
| Transfer position switch (combination switch assembly) | ||
| 4 wheel drive control ECU | ||
| The 4LO indicator light continues blinking after the transfer position switch (combination switch assembly) is operated | ECU power source circuit | Refer to ECU Power Source Circuit [08/2019 - ] |
| High-low transfer shift motor | Refer to Shift Motor Circuit [08/2019 - 08/2021] | |
| High-low transfer limit switch | ||
| 4 wheel drive control ECU | ||
| After the center differential lock switch is operated, the center differential lock indicator light remains off or illuminated | ECU power source circuit | Refer to ECU Power Source Circuit [08/2019 - ] |
| CAN communication system | Refer to Center Differential Lock Switch Circuit [08/2019 - ] | |
| Combination meter assembly | ||
| Center differential lock switch | ||
| 4 wheel drive control ECU | ||
| After the center differential lock switch is operated, the center differential lock indicator light remains blinking | ECU power source circuit | Refer to ECU Power Source Circuit [08/2019 - ] |
| Center differential lock shift motor | Refer to Shift Motor Circuit [08/2019 - 08/2021] | |
| Center differential lock limit switch or center differential lock detection switch | ||
| 4 wheel drive control ECU |
- Blinking: Blinks at 0.5 second intervals (0.5 seconds on and 0.5 seconds off)