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 | See page |
|---|---|---|
| Only wireless control functions inoperative | Proceed to "Only Wireless Control Function is Inoperative" | |
| Only answer-back function does not operate | Front door lock assembly LH (door lock position switch) (for LHD) | |
| Front door lock assembly RH (door lock position switch) (for RHD) | ||
| Proceed to "No Answer-Back" | ||
| Only automatic lock function does not operate | Perform operation check | |
| Front door courtesy light switch LH | ||
| Front door courtesy light switch RH | ||
| Rear door courtesy light switch LH (for Double Cab) | ||
| Rear door courtesy light switch RH (for Double Cab) | ||
| Harness or connector | - | |
| Driver side junction block assembly | - | |
| Only illuminated entry function does not operate (w/ Ignition Key Cylinder Light) | Perform operation check | |
| Lighting system |