How To Read Self-Diagnostic Results (Malfunction Codes)

WARNING: This page is about a different car, the 2002 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

Determine the code No. by counting the number of times the warning lamp flashes on and off.
When several malfunction occur at one time, up to three code numbers can be stored; the latest malfunction will be indicated first.
The indication begins with the start code 12. After that a maximum of three code numbers appear in the order of the latest one first. The indication then returns to the start code 12 to repeat (the indication will stay on for five minutes at the most).
The malfunction code chart is given TROUBLE DIAGNOSIS - GENERAL DESCRIPTION .

Fig 1: Self Diagnostic Malfunctioning Code Display
Courtesy of NISSAN MOTOR CO., U.S.A.