Check IPDM E/R Operation

WARNING: This page is about a different car, the 2003 Infiniti G35. 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 53 (G/B) and ground.

Fig 1: IPDM E/R Input Voltage Specification Table
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Checking IPDM E/R Input Voltage
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 53 (G/B) and horn relay connector E20 terminal 1 (G/B).
  
  Fig 3: Checking IPDM E/R Harness
  Courtesy of NISSAN MOTOR CO., U.S.A.
  1. 53 (G/B) - 1 (G/B) : Continuity should exist.
OK or NG

OK : Check harness connection.

NG : Repair or replace harness.