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 |
|---|---|---|
| The manual (SOS) switch illumination does not illuminate | Proceed to "Emergency Call Switch Illumination Circuit" | |
| The manual (SOS) switch indicator (red) illuminates after the ignition switch is turned to ON | Proceed to "DTC CHECK/CLEAR" |