IPDM E/R Operation Check

WARNING: This page is about a different car, the 2006 Infiniti QX56. 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 E122 terminal 45 and ground.

TERMINALS VOLTAGE CHART

Connector	Terminals		Voltage (V) (Approx.)
Connector	(+)	(-)	Voltage (V) (Approx.)
E122	45	Ground	Battery voltage

Fig 1: Identifying Voltage Between IPDM E/R Connector E122 Terminal 45 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 INPUT VOLTAGE
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R and horn relay.
3. Check continuity between IPDM E/R connector E122 terminal 45 and horn relay connector H-1 terminal 1.
  45 - 1 : Continuity should exist.
4. Check continuity between IPDM E/R connector E122 terminal 45 and ground.
  45 - Ground : Continuity should not exist.
  
  Fig 2: Identifying Continuity Between IPDM E/R Connector E122 Terminal 45 And Horn Relay Connector H-1 Terminal 1
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
- OK : Further inspection is necessary. Refer to "SYMPTOM CHART ".
- NG : Repair or replace harness