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Home >> Infiniti >> 2010 >> M45 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0460 To P1421 >> 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 procedure before conducting the next test.
  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 (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 "DIAGNOSIS 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 50 consecutive seconds.
    ENGINE SPEED SPECIFICATION

    ENG SPEED More than 1, 550 RPM
    COOLAN TEMP/S More than 70°C (158°F)
    B/FUEL SCHDL 5.4 - 31.8 msec
    Selector lever position Except P or N
    PW/ST SIGNAL OFF
  6. Check 1st trip DTC.
  7. If 1st trip DTC is detected, go to "DIAGNOSIS PROCEDURE ".