Component Inspection

CHECK BATTERY CURRENT SENSOR

Turn ignition switch OFF.
Reconnect harness connectors disconnected.
Disconnect battery negative cable (1).

Fig 1: Identifying Battery Negative Cable And Jumper Cable
Courtesy of NISSAN NORTH AMERICA, INC.
Install jumper cable (A) between battery negative terminal and body ground.
Turn ignition switch ON.

Check the voltage between ECM harness connector terminals under the following conditions.

ECM			Voltage (V)
Connector	+	-
Connector	Terminal	Terminal
F13	42 (Battery current sensor signal)	44 (Sensor ground)	Approx. 2.5

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

Fig 2: Checking Voltage Between ECM Harness Connector F13 Terminals

Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES: INSPECTION END

NO: Replace battery negative cable assembly.