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Home >> Infiniti >> 2017 >> QX70 RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 218 (Driver Assistance System (DTC/Circuit Diagnosis) (Hybrid)) >> Circuit Diagnosis >> Power Supply And Ground Circuit >> Side Radar LH >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

  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 LH connector.
    3. Check voltage between side radar LH harness connector and ground.
    Terminals Condition Voltage
    (Approx.)
    (+) (-)
    Side radar LH Ground Ignition switch
    Connector Terminal
    T41 5 OFF 0 V
    ON Battery voltage

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    Repair the side radar LH power supply circuit.

  3. CHECK GROUND CIRCUIT

    Check continuity between side radar LH harness connectors and ground.

    Side radar LH Ground Continuity
    Connector Terminal
    T41 2 Existed

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Repair the side radar LH ground circuit.

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