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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. INSPECTION START 

    Do you have CONSULT?

    Do you have CONSULT?

    YES

    GO TO 3.

    NO

    GO TO 6.

  3. 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 4.

  4. PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION 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 5.

  5. 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

    INSPECTION END

  6. PERFORM COMPONENT FUNCTION CHECK 
    1. Turn ignition switch ON.
    2. Check the voltage between ECM harness connectors.

      ECM

      Condition

      Voltage

      Connector

      +

      -

      Terminal

      Terminal

      E10

      140

      152

      Brake pedal

      Slightly depressed

      Approx. 0 V

      Fully released

      Battery voltage

    Is the inspection result normal?

    YES

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

    YES

    Confirmation after repair: INSPECTION END

    NO

    GO TO 7.

  7. PERFORM COMPONENT FUNCTION CHECK-II 

    Check the voltage between ECM harness connectors.

    ECM

    Condition

    Voltage

    Connector

    +

    -

    Terminal

    Terminal

    E10

    139

    152

    Brake pedal

    Slightly depressed

    Battery voltage

    Fully released

    Approx. 0 V

    Is the inspection result normal?

    YES

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

    YES

    Confirmation after repair: INSPECTION END

    NO

    Go to Diagnosis Procedure .

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