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Home >> Nissan-Datsun >> 2008 >> Quest Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - DTCS P0444 Through P1168 >> 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 turn ignition switch OFF and wait at least 10 seconds 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 (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 CONDITION

    ENG SPEED 1, 600 - 6, 000 rpm
    COOLAN TEMP/S More than 70°C (158°F)
    B/FUEL SCHDL 4.4 - 31.8 msec
    Shift lever Except P or N position
    PW/ST SIGNAL OFF
  6. Check 1st trip DTC.
  7. If 1st trip DTC is detected, go to "DIAGNOSTIC PROCEDURE ".