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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 394 (ADAS Control Unit (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC U1507: Lost Comm(Side RDR R) >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2019 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK DTC PRIORITY 

    If DTC "U1507" is displayed with DTC "U1000", first diagnose the DTC "U1000".

    Is applicable DTC detected?

    YES

    Perform diagnosis of applicable. Refer to DTC Logic .

    NO

    GO TO 2.

  2. CHECK RIGHT/LEFT SWITCHING SIGNAL CIRCUIT 

    Check right/left switching signal circuit. Refer to Diagnosis Procedure .

    Is the inspection result normal?

    YES

    Perform the CAN communication system inspection. Repair or replace the malfunctioning parts. Refer to Trouble Diagnosis Flow Chart .

    NO

    Repair right/left switching signal circuit.

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