FixVault

DTC Confirmation Test (Using CONSULT-II)

WARNING: This page is about a different car, the 2002 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.
  1. Start engine. Ensure TCS switch is in OFF position. Read VHCL SPEED SE in DATA MONITOR mode with CONSULT-II. VHCL SPEED SE should be able to exceed 6 MPH when drive wheels are rotating at 6 MPH or more. If operation is as specified, go to next step. If operation is not as specified, go to DIAGNOSTIC PROCEDURE .
  2. Select DATA MONITOR mode with CONSULT-II. Warm engine to normal operating temperature. Maintain the following conditions for at least 10 consecutive seconds.

    2.5L:

    • ENG SPEED: 1200-6000 RPM.
    • COOLAN TEMP/S: more than 158°F (70°C).
    • B/FUEL SCHDL: 6.0-31.8 msec.
    • PW/ST SIGNAL: OFF.

    3.5L:

    • ENG SPEED: more then 1700 RPM (on A/T models) or 1800 RPM (on M/T models).
    • COOLAN TEMP/S: more than 158°F (70°C).
    • B/FUEL SCHDL: more than 5.5 msec.
    • PW/ST SIGNAL: OFF.
    • Transmission: except Park or Neutral.
  3. If 1st trip DTC is detected, go to DIAGNOSTIC PROCEDURE . If 1st trip DTC is not detected, system is okay at this time.