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.
| Symptom | Suspected Area | Link |
|---|---|---|
| Sound is not produced. | Operation check | |
| Power source circuit | ||
| "P" position switch circuit | ||
| Stop light switch circuit | ||
| Vehicle approaching speaker switch circuit | ||
| Speaker circuit | ||
| Vehicle speed signal circuit | ||
| Harness or connector | - | |
| Main body ECU (driver side junction block) | - | |
| Vehicle approaching speaker controller | ||
| Even when the vehicle approaching speaker switch is pressed, sound is not produced or stopped. | Vehicle approaching speaker switch circuit | |
| Vehicle approaching speaker controller | ||
| Vehicle approaching speaker switch does not illuminate (when parking lights are on) | Lighting system | |
| Harness or connector | - | |
| Vehicle approaching speaker switch | ||
| Vehicle approaching speaker switch indicator does not illuminate | Vehicle approaching speaker switch circuit | |
| Harness or connector | - | |
| Vehicle approaching speaker controller | ||
| Sound does not stop even while engine is running | Vehicle approaching speaker controller | |
| Main body ECU (driver side junction block) | - | |
| Harness or connector | - |