Problem Symptoms Table
HINT:
- Use the table below 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.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Wireless door lock control system:
PROBLEM SYMPTOMS TABLE
| Symptom | Suspected area | See |
|---|---|---|
| Only wireless control function is inoperative | 1. Transmitter battery | TRANSMITTER BATTERY |
| 2. Door control transmitter | TRANSMITTER BATTERY | |
| 3. Door control receiver | TRANSMITTER BATTERY | |
| 4. Key slot | ALL DOORS LOCK / UNLOCK FUNCTIONS DO NOT OPERATE VIA DRIVER SIDE DOOR KEY CYLINDER | |
| 5. Wire harness | TRANSMITTER BATTERY | |
| 6. Driver side junction block (main body ECU) | TRANSMITTER BATTERY | |
| 7. Certification ECU | ALL DOORS LOCK / UNLOCK FUNCTIONS DO NOT OPERATE VIA DRIVER SIDE DOOR KEY CYLINDER | |
| 8. Lighting system | TRANSMITTER BATTERY | |
| No answer-back | 1. Wireless door lock buzzer | ALL DOORS LOCK / UNLOCK FUNCTIONS DO NOT OPERATE VIA DRIVER SIDE DOOR KEY CYLINDER |
| 2. Lighting system | DTC B1242 Wireless Door Lock Tuner Circuit Malfunction | |
| 3. Wire harness | DTC B1242 Wireless Door Lock Tuner Circuit Malfunction | |
| 4. Driver side junction block (main body ECU) | DTC B1242 Wireless Door Lock Tuner Circuit Malfunction |