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Home >> Infiniti >> 2014 >> QX60 Base, FWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Driver Assistance System (BCI) (Except Hybrid) >> DTC/Circuit Diagnosis >> DTC C1B52: Blind Spot Warning/Blind Spot Intervention Indicator Open Circuit >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK BLIND SPOT WARNING/BLIND SPOT INTERVENTION INDICATOR CIRCUIT FOR OPEN 1 
    1. Turn ignition switch OFF.
    2. Disconnect side radar harness connector and Blind Spot Warning/Blind Spot Intervention indicator harness connector.
    3. Check continuity between side radar harness connector and Blind Spot Warning/Blind Spot Intervention indicator harness connector.
      Side radar Blind Spot Warning/Blind Spot Intervention indicator Continuity
      Connector Terminal Connector Terminal
      B416 (LH) 6 D21 (LH) 1 Existed
      B109 (RH) D111 (RH)

      Is the inspection result normal? 

      YES: GO TO 2.

      NO: Repair the harnesses or connectors.

  2. CHECK BLIND SPOT WARNING/BLIND SPOT INTERVENTION INDICATOR CIRCUIT FOR OPEN 2 

    Check continuity between Blind Spot Warning/Blind Spot Intervention indicator harness connector and ground.

    Blind Spot Warning/Blind Spot Intervention indicator Ground Continuity
    Connector Terminal
    D21 (LH) 4 Existed
    D111 (RH)

    Is the inspection result normal? 

    YES: GO TO 3.

    NO: Repair the harnesses or connectors.

  3. CHECK SIDE RADAR VOLTAGE OUTPUT 
    1. Connect side radar harness connector.
    2. Check voltage between Blind Spot Warning/Blind Spot Intervention indicator harness connector and ground.
      Blind Spot Warning/Blind Spot Intervention indicator Ground Condition Voltage (Approx.)
      Connector Terminal
      D21 (LH) 1 Ignition switch OFF ==> ON (Approx. 2 sec.) 6 V
      D111 (RH)

      Is the inspection result normal? 

      YES: Replace Blind Spot Warning/Blind Spot Intervention indicator.

      NO: Replace side radar. Refer to "REMOVAL AND INSTALLATION ".