1.CHECK FRONT SENSOR POWER SUPPLY CIRCUIT (SHORT)
- Turn ignition switch OFF.
- Disconnect sonar control unit connector, front sonar sensor LH/RH outer connector, front sonar sensor LH/RH inner connector and front sonar sensor LH/RH side connector.
- Check continuity between sonar control unit harness connector and ground.
| Sonar control unit | Ground | Continuity |
| Connector | Terminal |
| B20 | 11 | Not existed |
Is the inspection result normal?
Repair the harness or connector.
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Replace the sonar control unit. Refer to Removal and Installation
.