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.
WIRELESS DOOR LOCK CONTROL SYSTEM
| Symptom | Suspected Area | See |
|---|---|---|
| Only wireless control functions inoperative | Proceed to "Only Wireless Control Function is Inoperative" | Refer to Only Wireless Control Function is Inoperative |
| Only answer-back function does not operate | Proceed to "No Answer-Back" | Refer to No Answer-Back |
| Only automatic lock function does not operate | Proceed to "Door Courtesy Switch Circuit" | Refer to Door Courtesy Switch Circuit |
| Proceed to "Back Door Courtesy Switch Circuit" | Refer to Back Door Courtesy Switch Circuit | |
| Main body ECU (multiplex network body ECU) | Refer to REMOVAL | |
| Only illuminated entry function does not operate | Lighting system (Proceed to "Problem Symptoms Table") | Refer to PROBLEM SYMPTOMS TABLE |
| Only door ajar warning function does not operate | Proceed to "Door Courtesy Switch Circuit" | Refer to Door Courtesy Switch Circuit |
| Proceed to "Back Door Courtesy Switch Circuit" | Refer to Back Door Courtesy Switch Circuit | |
| Main body ECU (multiplex network body ECU) | Refer to REMOVAL | |
| Only panic alarm function does not operate (w/ Daytime Running Light) | Perform operation check | Refer to OPERATION CHECK |
| Proceed to "Horn does not Sound" | Refer to PROBLEM SYMPTOMS TABLE | |
| Lighting system (Proceed to "Problem Symptoms Table") | Refer to PROBLEM SYMPTOMS TABLE | |
| Main body ECU (multiplex network body ECU) | Refer to REMOVAL | |
| Only panic alarm function does not operate (w/o Daytime Running Light) | Perform operation check | Refer to OPERATION CHECK |
| Proceed to "Horn does not Sound" | Refer to PROBLEM SYMPTOMS TABLE | |
| HEAD relay | - | |
| TAIL relay | - | |
| Harness or connector | - | |
| Main body ECU (multiplex network body ECU) | Refer to REMOVAL |