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

Start the engine.
Turn the audio system off.
While pressing the "PAUSE/MUTE" button, turn the volume control dial clockwise or counterclockwise for 30 clicks or more. (When the self-diagnosis mode is started, a short beep will be heard.)
- Shifting from current screen to previous screen is performed by pressing "PREV" button.
Fig 1: Pressing PAUSE/MUTE Button And Turning Volume Control Dial Clockwise Or Counterclockwise
Courtesy of NISSAN MOTOR CO., U.S.A.
The initial self-diagnosis screen will be shown, and items "Self-Diagnosis (DCU)", "Self-Diagnosis (NAVI)", "Confirmation/Adjustment" and "CAN DIAG SUPPORT MONITOR" will become selective.

Fig 2: Display Self-Diagnosis Screen
Courtesy of NISSAN MOTOR CO., U.S.A.
When "Confirmation/Adjustment" is selected on the initial self-diagnosis screen, the operation will enter the CONFIRMATION/ADJUSTMENT mode. In this mode, check and adjustment of each item will become possible.
The initial trouble diagnosis screen will be shown, and items "Display Diagnosis", "Vehicle Signals", "Auto Climate Control" and "Navigation" will become selective.
Select each switch on "CONFIRMATION/ADJUSTMENT" screen to display the relevant diagnosis screen.

Fig 3: Display Confirmation/Adjustment Screen
Courtesy of NISSAN MOTOR CO., U.S.A.

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

Operation Procedure

Use the Manual With the Right Hardware

When to See a Mechanic

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