With Surround Sound

B272C CORNER SENSOR [FR]

DTC Logic


DTC DETECTION LOGIC








Diagnosis Procedure

Regarding Wiring Diagram information, refer to "Wiring Diagram" With Surround Sound.

1. CHECK FRONT SONAR SENSOR RH OUTER CIRCUIT CONTINUITY

1.Turn ignition switch OFF.
2.Disconnect sonar control unit connector and front sonar sensor RH outer connector.
3.Check continuity between sonar control unit connector M70 and front sonar sensor RH outer connector
E308.





4.Check continuity between sonar control unit connector M70 and ground.





Is the inspection result normal?
YES- GO TO 2.
NO- Repair or replace harness or connectors.

2. CHECK FRONT SONAR SENSOR RH OUTER SIGNAL CIRCUIT SHORT TO BATTERY

1.Turn ignition switch ON.
2.Check voltage between sonar control unit connector M70 and ground.





Is the inspection result normal?
YES- Replace front sonar sensor RH outer. Refer to "Removal and Installation" With Surround Sound.
NO- Repair or replace harness or connectors.
Revision: March 20122013 Infiniti JX