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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 51 (Driver Assistance System) >> DTC/Circuit Diagnosis >> C1B55 Radar Blockage >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK THE REAR BUMPER 

    Check if rear bumper near the side radar is contaminated with foreign materials.

    GO TO 2 .

  2. CHECK THE SIDE RADAR 

    Check if side radar and the side radar outskirts are contaminated with foreign materials.

    GO TO 3 .

  3. CHECK THE SIDE RADAR INSTALLATION CONDITION 

    Check side radar installation condition (installation position, properly tightened or a bent bracket).

    GO TO 4 .

  4. INTERVIEW 
    1. Ask if there is stain or foreign materials.
    2. Ask if there is any temporary ambient condition such as splashing water, mist or fog.
    3. Ask if there is any object such as ice, frost or dirt obstructing the side radar.

    Are any of above conditions seen?

    YES

    Explain to the customer about the difference between the blockage detection function and the indication when the malfunction is detected and tell them, "This is not malfunction."

    NO

    Inspection End.