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Home >> Infiniti >> 2014 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 88 (Audio, Visual & Navigation System (DTC/Circuit Diagnosis) (BOSE Audio W/NAVI W/O Surround) (Except Hybrid) (2 Of 2)) >> DTC/Circuit Diagnosis >> DTC B2723: Corner Sensor [RR] >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

Regarding Wiring Diagram information, refer to WIRING DIAGRAM .

  1. CHECK REAR SONAR SENSOR RH OUTER SIGNAL CIRCUIT CONTINUITY

    1. Turn ignition switch OFF.
    2. Disconnect sonar control unit connector and rear sonar sensor RH outer connector.
    3. Check continuity between sonar control unit connector M70 and rear sonar sensor RH outer connector B456.
      Sonar control unit Rear sonar sensor RH outer Continuity
      Connector Terminal Connector Terminal
      M70 10 B456 2 Yes
      14 1
    4. Check continuity between sonar control unit connector M70 and ground.
      Sonar control unit Ground Continuity
      Connector Terminal
      M70 10 - No

    Is the inspection result normal?

    YES 

    GO TO STEP 2  .

    NO 

    Repair or replace harness or connectors.

  2. CHECK REAR 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.
      Sonar control unit Ground Voltage
      (Approx.)
      Connector Terminal
      M70 10 - 0V

    Is the inspection result normal?

    YES 

    Replace rear sonar sensor RH outer. Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair or replace harness or connectors.

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