WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.

Check the symptom and customer's requests.
Understand the outline of system. Refer to System Description .
Perform the preliminary check. Refer to Preliminary Check .
Perform the communication inspection. If CONSULT-II is used, refer to IVMS COMMUNICATION INSPECTION . If CONSULT-II is not used, refer to COMMUNICATION DIAGNOSIS . Is the communication diagnosis result OK?
1. OK: GO TO step 7
2. NG: GO TO step 5
Repair or replace depending on the diagnosis result.
Perform the communication diagnosis again. If CONSULT-II is used, refer to IVMS COMMUNICATION INSPECTION . If CONSULT-II is not used, refer to COMMUNICATION DIAGNOSIS . Is communication diagnosis result OK?
1. OK: GO TO step 7
2. NG: GO TO step 5
Referring to Trouble diagnosis chart, repair or replace the cause of the incident. Refer to Trouble Diagnosis Chart by Symptom .
Does the remote keyless entry system operate normally?
1. YES: GO TO step 9
2. NO: GO TO step 7
Inspection end.

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.

Safety Warning

Work Flow

Use the Manual With the Right Hardware

When to See a Mechanic

Rather have a pro handle this?