Overall Function Check

Use this procedure to check the overall function of the battery current sensor circuit. During this check, a 1st trip DTC might not be confirmed.

TESTING CONDITION: 

• Before performing the following procedure, confirm that battery voltage is more than 12.8V at idle  .
• Before performing the following procedure, confirm that all load switches and A/C switch are turned OFF  .

With CONSULT-III

1. Start engine and let it idle.
2. Select "BAT CUR SEN" in "DATA MONITOR" mode with CONSULT-III.
3. Check "BAT CUR SEN" indication for 10 seconds.

   "BAT CUR SEN" should be above 2,300mV at least once  .

4. If NG, go to "DIAGNOSIS PROCEDURE ".

With GST

1. Start engine and let it idle.
2. Check voltage between ECM terminal 71 (battery current sensor signal) and ground for 10 seconds.

   The voltage should be above 2.3V at least once  .

3. If NG, go to "DIAGNOSIS PROCEDURE ".
   Fig 1: Checking Voltage Between ECM Terminal 71 (Battery Current Sensor) And Ground

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