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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 85 (Engine Control System (DTC/Circuit Diagnosis) (5 Of 5)) >> DTC/Circuit Diagnosis >> DTC P1572: ICC Brake Switch >> DTC Confirmation Procedure

DTC Confirmation 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 DTC PRIORITY 

    If DTC P1572 is displayed with DTC P0605, first perform the confirmation procedure for DTC P0605.

    Is applicable DTC detected?

    YES

    Perform diagnosis of applicable. Refer to DTC Description .

    NO

    GO TO 2.

  2. PRECONDITIONING 

    If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

    NOTE: Procedure for malfunction B is not described here. It takes extremely long time to complete procedure for malfunction B. By performing procedure for malfunction A, the incident that causes malfunction B can be detected.

    GO TO 3.

  3. PERFORM DTC CONFIRMATION PROCEDURE 1-I 
    1. Start engine (VDC switch OFF).
    2. Select "DATA MONITOR" mode with CONSULT.
    3. Press MAIN switch and make sure that CRUISE lamp lights up.
    4. Drive the vehicle for at least 5 consecutive seconds under the following conditions.
      CAUTION: Always drive vehicle at a safe speed.
      NOTE: This procedure may be conducted with the drive wheels lifted in the shop or by driving the vehicle. If a road test is expected to be easier, it is unnecessary to lift the vehicle.

      VHCL SPEED SE

      More than 30 km/h (19 mph)

      Selector lever

      Suitable position
    5. Check 1st trip DTC.

    Is 1st trip DTC detected?

    YES

    Go to Diagnosis Procedure .

    NO

    GO TO 4.

  4. PERFORM DTC CONFIRMATION PROCEDURE 1-II 
    1. Drive the vehicle for at least 5 consecutive seconds under the following conditions.
      CAUTION: Always drive vehicle at a safe speed.
      NOTE: This procedure may be conducted with the drive wheels lifted in the shop or by driving the vehicle. If a road test is expected to be easier, it is unnecessary to lift the vehicle.

      VHCL SPEED SE

      More than 30 km/h (19 mph)

      Selector lever

      Suitable position

      Driving location

      Depress the brake pedal for more than five seconds so as not to come off from the above-mentioned vehicle speed.
    2. Check 1st trip DTC.

    Is 1st trip DTC detected?

    YES

    Go to Diagnosis Procedure .

    NO

    To check malfunction symptom before repair: Refer to Intermittent Incident .

    NO

    Confirmation after repair: INSPECTION END

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