Check IPDM E/R Operation

WARNING: This page is about a different car, the 2008 Infiniti FX45 and 2008 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK IPDM E/R INPUT VOLTAGE
Check voltage between IPDM E/R connector E9 terminal 51 and ground.

51 (SB) - Ground : Battery voltage

Fig 1: Identifying Voltage Between IPDM E/R Connector And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: Replace IPDM E/R.

NG: GO TO 2.
CHECK IPDM E/R HARNESS
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 and horn relay connector E10 terminal 1.
  51 (SB) - 1 (SB) : Continuity should exist.
  
  Fig 2: Identifying Continuity Between IPDM E/R And Horn Relay Connector
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG

OK: Check harness connection.

NG: Repair or replace harness.