IPDM E/R Operation Check

WARNING: This page is about a different car, the 2006 Nissan Titan. 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.

Fig 1: Checking Voltage Between IPDM E/R Connector E122 Terminal 45 And Ground

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

CONNECTOR TERMINAL VOLTAGE REFERENCE

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

OK or NG

OK: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION OF 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: Checking Continuity Between IPDM E/R Connector E122 Terminal 45, Horn Relay Connector H-1 Terminal 1 And Ground
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