SONAR CONTROL UNIT (WITH AROUND VIEW MONITOR) : Diagnosis Procedure
- CHECK FUSE
Check for blown fuses.
BLOWN FUSES LISTPower source Fuse No. Ignition switch ACC or ON 19 Is the inspection result normal?
YES: GO TO 2.
NO: Be sure to eliminate cause of malfunction before installing new fuse.
- CHECK POWER SUPPLY CIRCUIT
- Turn ignition switch ON.
- Check voltage between sonar control unit harness connector and ground.VOLTAGE REFERENCE CHART
Sonar control unit Ground Voltage (Approx.) Connector Terminal M47 13 Battery voltage Is the inspection result normal?
YES: GO TO 3.
NO: Repair or replace sonar control unit power supply harness.
- CHECK GROUND CIRCUIT
- Turn ignition switch OFF.
- Disconnect sonar control unit connector.
- Check continuity between sonar control unit harness connector and ground.CONTINUITY REFERENCE CHART
Sonar control unit Ground Continuity Connector Terminal M47 24 Existed Is the inspection result normal?
YES: INSPECTION END
NO: Repair or replace sonar control unit ground harness.