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Home >> Nissan-Datsun >> 2010 >> Cube Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0181 To P0607 >> P0500 VSS >> DTC Logic >> DTC Confirmation Procedure
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DTC Confirmation Procedure

  1. INSPECTION START

    Do you have CONSULT-III?

    Do you have CONSULT-III? 

    YES: GO TO 2.

    NO: GO TO  5.

  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.

    GO TO 3.

  3. CHECK VEHICLE SPEED SIGNAL
    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.

    $With CONSULT-III 

    1. Start engine.
    2. Read "VHCL SPEED SE" in "DATA MONITOR" mode with CONSULT-III. The vehicle speed on CONSULT-III should exceed 10 km/h (6 mph) when rotating wheels with suitable gear position.

    Is the inspection result normal? 

    YES: GO TO 4.

    NO: Go to "DIAGNOSIS PROCEDURE ".

  4. PERFORM DTC CONFIRMATION PROCEDURE
    1. Select "DATA MONITOR" mode with CONSULT-III.
    2. Warm engine up to normal operating temperature.
    3. Maintain the following conditions for at least 50 consecutive seconds.
      CAUTION: Always drive vehicle at a safe speed.
      DATA MONITOR CHART

      ENG SPEED CVT: 1, 600 - 6, 000 RPM
      M/T: 2, 200 - 6, 000 RPM
      COOLAN TEMP/S More than 70°C (158°F)
      B/FUEL SCHDL CVT: 5.5 - 31.8 msec
      M/T: 4.0 - 31.8 msec
      Selector lever Except P or N position (CVT)
      Except Neutral position (M/T)
      PW/ST SIGNAL OFF
    4. Check 1st trip DTC.

    Is 1st trip DTC detected? 

    YES: Go to "DIAGNOSIS PROCEDURE ".

    NO: INSPECTION END

  5. PERFORM COMPONENT FUNCTION CHECK

    Perform component function check. Refer to "COMPONENT FUNCTION CHECK ".

    Use component function check to check the overall function of the vehicle speed signal circuit. During this check, a 1st trip DTC might not be confirmed.

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Go to "DIAGNOSIS PROCEDURE ".

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