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Home >> Infiniti >> 2015 >> QX80 Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Audio, Visual & Navigation System (BOSE Audio With Navigation) (Diagnostic Trouble Codes (DTCS) U1207-B272C, Symptom Tests And R & I) >> DTC/Circuit Diagnosis >> DTC B272B: Center Sensor [Fr] >> Short-Bat >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK FRONT CENTER SENSOR RH SIGNAL CIRCUIT (SHORT CIRCUIT TO POWER SUPPLY) 1

    1. Turn ignition switch OFF.
    2. Disconnect sonar control unit connector and front center sensor RH connector.
    3. Turn ignition switch ON.
    4. Check voltage between sonar control unit connector and ground.
      Sonar control unit Ground Voltage
      (Approx.)
      Connector Terminal
      M47 10 0 V

    Is the check result normal?

    YES 

    GO TO STEP 2. 

    NO 

    Repair the harnesses or connectors (short circuit to power supply harness).

  2. CHECK FRONT CENTER SENSOR RH SIGNAL CIRCUIT (SHORT CIRCUIT TO POWER SUPPLY) 2

    Check continuity between sonar control unit connector and front center sensor RH connector.

    Front center sensor RH Ground Continuity
    Connector Terminal
    E210 2 Not existed

    Is the check result normal?

    YES 

    Replace front center sensor RH. Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair the harnesses or connectors (short circuit to power supply harness).