Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2003 Infiniti Q45FACTORY OEM SERVICE PROCEDURE

Consult-II Basic Operation Procedure

Turn ignition switch "OFF".
Connect "CONSULT-II" and CONSULT-II CONVERTER to data link connector.

Fig 1: Locating Data Link Connector
Courtesy of NISSAN MOTOR CO., U.S.A.
Turn ignition switch "ON".
Touch "START (NISSAN BASED VHCL)".

Fig 2: CONSULT-II Display-Touch "START (NISSAN BASED VHCL)"
Courtesy of NISSAN MOTOR CO., U.S.A.
Touch "IVMS" on the "SELECT SYSTEM" screen.
If "BCM" is not indicated, go to Refer to "CONSULT-II DATA LINK CONNECTOR (DLC) CIRCUIT ".

Fig 3: CONSULT-II Display-Touch "IVMS"
Courtesy of NISSAN MOTOR CO., U.S.A.
Check the model specification, and touch either "WITH SUNROOF" or "WITHOUT SUNROOF" on the "SELECT SYS COND" screen.

Fig 4: CONSULT-II Display-Touch "SELECT SYS COND"

Courtesy of NISSAN MOTOR CO., U.S.A.

Touch "OK". If the selection is wrong, touch "CANCEL".
Select the desired part to be diagnosed on the "SELECT TEST ITEM" screen.

Factory Service Tools

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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.