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Home >> Infiniti >> 2015 >> Q50 Base, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Driver Assistance System (Diagnostic Trouble Codes (DTCS) Symptom Tests & Component R&R) (Exc Hybrid) >> DTC/Circuit Diagnosis >> Power Supply And Ground Circuit >> Side Radar LH >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK FUSES

    Check if any of the following fuses are blown:

    Signal name Fuse No.
    Ignition power supply 22

    Is the inspection result normal?

    YES 

    GO TO STEP 2  .

    NO 

    Replace the blown fuse after repairing the affected circuit if a fuse is blown.

  2. CHECK POWER SUPPLY CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect the side radar connector.
    3. Check voltage between side radar harness connector and ground.
    Terminals Condition Voltage
    (Approx.)
    (+) (-)
    Side radar Ground Ignition switch
    Connector Terminal
      5 OFF 0 V
    ON Battery voltage

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    Repair the side radar power supply circuit.

  3. CHECK GROUND CIRCUIT

    Check continuity between side radar harness connectors and ground.

    Side radar Ground Continuity
    Connector Terminal
      2 Existed

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Repair the side radar ground circuit.

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