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Home >> Infiniti >> 2017 >> QX30 Base >> Repair and Diagnosis >> Accessories & Equipment >> Warning Systems >> Driver Assistance System (DTCS) (2 Of 2) >> 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.
    Battery power supply 90

    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
    M251 4 OFF 11.0 - 15.5 V

    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
    M251 1 Existed

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Repair the side radar LH ground circuit.

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