Check IPDM E/R Operation

Check voltage between IPDM E/R connector E9 terminal 51 (SB) and ground.

51 (SB) - Ground : Battery voltage 

OK or NG 

OK : Replace IPDM E/R.

NG : GO TO 2.

Fig 1: Identifying Voltage Between IPDM E/R Connector E9 Terminal 51 (SB) And Ground

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

1. Turn ignition switch OFF.
2. Disconnect IPDM E/R and horn relay connector.
3. Check continuity between IPDM E/R connector E9 terminal 51 (SB) and horn relay connector E10 terminal 1 (SB).

   51 (SB) - 1 (SB) : Continuity should exist. 

OK or NG 

OK : Check harness connection.

NG : Repair or replace harness.

Fig 2: Identifying Continuity Between IPDM E/R Connector E9 Terminal 51 And Horn Relay Connector E10 Terminal 1

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