Component Inspection

1. Turn ignition switch OFF.
2. Reconnect harness connectors disconnected.
3. Disconnect battery negative cable (1).
4. Install jumper cable (A) between battery negative terminal and body ground.
5. Turn ignition switch ON.
6. Check the voltage between ECM harness connector terminals as per the following.

Fig 1: Identifying Battery Negative Cable And Jumper Cable

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

Before measuring the terminal voltage, confirm that the battery is fully charged. Refer to "HOW TO HANDLE BATTERY ".

Is the inspection result normal? 

YES: INSPECTION END

NO: Replace battery negative cable assembly.