1. Check IPDM E/R Power Supply Circuit

1. Turn ignition switch OFF.
2. Disconnect IPDM E/R harness connectors E123.
3. Check voltage between IPDM E/R terminal 15 and ground with CONSULT-II or tester.
   1. Voltage: Battery voltage 

OK or NG 

1. OK: GO TO 3 .
2. NG: GO TO 2.

Fig 1: Check voltage

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