Operation Procedure

Start the engine.
Turn the audio system off.
While pressing the "INFO" switch, turn the volume control dial clockwise or counterclockwise for 30 clicks or more. (When self-diagnosis mode is aggravated, a short beep will be heard.)
- To return to the previous screen, press "PREV" switch.
Fig 1: Locating INFO Switch
Courtesy of NISSAN MOTOR CO., U.S.A.
The initial trouble diagnosis screen will be shown, and items "Self-Diagnosis" and "Confirmation/Adjustment" will become selective.

Fig 2: Self-Diagnosis Data Monitor
Courtesy of NISSAN MOTOR CO., U.S.A.
When "Confirmation/Adjustment" is selected on the trouble diagnosis screen, the operation will enter the Confirmation/Adjustment mode. In this mode, check and adjustment of each item will become possible.

Fig 3: Confirmation/Adjustment Data Monitor
Courtesy of NISSAN MOTOR CO., U.S.A.
When "Speaker Test" is selected, the speaker diagnosis screen will be shown. Then press "Start/Next" and the test tone will be tone will be emitted from one speaker. Press "Start/Next" again and the test tone will be emitted from another speaker. Press "Stop" and the test tone will be stopped.
NOTE:
Test tones emitted from each speaker are as follows.
1. Instrument : 1 KHz
2. speaker
3. Door speaker : 1 KHz
4. Woofer : 100 Hz
Fig 4: Speaker Test Data Monitor
Courtesy of NISSAN MOTOR CO., U.S.A.