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Home >> Nissan-Datsun >> 2008 >> Maxima SL >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - DTCS P0448 To P0850 >> DTC P0500 VSS >> DTC Confirmation Procedure
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DTC Confirmation Procedure

CAUTION: Always drive vehicle at a safe speed.
NOTE: If DTC Confirmation Procedure has been previously conducted, always perform the following before conducting the next step.
  1. Turn ignition switch OFF and wait at least 10 seconds.
  2. Turn ignition switch ON.
  3. Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION: 

Steps   1  and   2  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 (TCS switch or VDC switch OFF).
  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.

    If NG, go to "DIAGNOSTIC PROCEDURE ."

    If OK, go to following step.

  3. Select "DATA MONITOR" mode with CONSULT-III.
  4. Warm engine up to normal operating temperature.
  5. Maintain the following conditions for at least 60 consecutive seconds.
    ENGINE SPEED AND COOLANT TEMPERATURE SPECIFICATION

    ENG SPEED 1, 400 - 6, 000 rpm
    COOLAN TEMP/S More than 70°C (158°F)
    B/FUEL SCHDL 5.8 - 31.8 msec
    Shift lever Except P or N position
    PW/ST SIGNAL OFF
    Fig 1: CONSULT-III Display - Data Monitor
    G04900558Courtesy of NISSAN MOTOR CO., U.S.A.
  6. If 1st trip DTC is detected, go to "DIAGNOSTIC PROCEDURE "