Requesting Fault Codes Mode

WARNING: This page is about a different car, the 2005 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

While in "requesting number of fault codes" mode, push rear sonar system OFF switch once.
The sonar buzzer will sound once.
Rear sonar system OFF indicator will flash and sonar buzzer will sound the first digit of the fault code followed by a one second pause.
Rear sonar system OFF indicator will flash and sonar buzzer will sound the second digit of the fault code followed by a four second pause.

The fault codes will repeat five times then pause.

NOTE: Requesting fault codes will exit unless the fault code is acknowledged before five repeats ends. The fault code is acknowledged by pushing the rear sonar system OFF switch once (the sonar buzzer may sound). When all fault codes have been indicated, idle mode will be entered. See the following table for fault code identification.

Fig 1: Fault Codes Mode Buzzing Pattern

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

SONAR SYSTEM FAULT CODE

Fault Code	Malfunction	Reference
11	Rear sonar sensor LH outer	Check harness for open or short. If NG repair or replace harness. If OK replace sensor. Refer to "REAR SONAR SENSORS ".
12	Rear sonar sensor LH inner
13	Rear sonar sensor RH inner
14	Rear sonar sensor RH outer
21	Sonar buzzer	"SONAR BUZZER "
22	Rear sonar system OFF indicator	"REAR SONAR SYSTEM OFF INDICATOR "
23	Rear sonar system OFF switch	"REAR SONAR SYSTEM OFF SWITCH "
24	Sonar control unit	Replace sonar control unit. Refer to "SONAR CONTROL UNIT ".