2005 Infiniti Q45FACTORY OEM SERVICE PROCEDURE

Inspection Procedure

CAUTION: If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be detected in self-diagnosis depending on control unit which carry out CAN communication.
  1. Turn ignition switch OFF.
  2. Connect CONSULT-II and CONSULT-II CONVERTER to data link connector, which is located under LH dash panel near the hood opener handle.
  3. Turn ignition switch ON.
    Fig 1: Connecting Data Link Connector
    G02369349Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Touch "START (NISSAN BASED VHCL)".
    Fig 2: Start Nissan Based VHCL Display
    G02369350Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Touch "ENGINE".

    If "ENGINE" is not indicated, go to "CONSULT-II DATA LINK CONNECTOR (DLC) CIRCUIT ".

    Fig 3: Engine Display
    G02369351Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Perform each diagnostic test mode according to each service procedure.

    For further information, see the CONSULT-II Operation Manual. 

    Fig 4: Diagnostic Test Mode Display
    G02369352Courtesy of NISSAN MOTOR CO., U.S.A.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.