IPDM E/R Operation Check

WARNING: This page is about a different car, the 2008 Nissan Quest. 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 E121 terminal 51 and ground.

TERMINALS VOLTAGE CHART

Connector	Terminal		Voltage (V) (Approx.)
Connector	( + )	( - )	Voltage (V) (Approx.)
E121	51	Ground	Battery voltage

OK or NG

OK: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION OF IPDM E/R ".

NG: GO TO 2.

Fig 1: Checking Voltage Between IPDM E/R Connector E121 Terminal 51 And Ground

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

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 E121 terminal 51 and horn relay connector H-1 terminal 1.
  51 - 1 : Continuity should exist.
4. Check continuity between IPDM E/R connector E121 terminal 51 and ground.
  51 - Ground : Continuity should not exist.
OK or NG

OK: Further inspection is necessary. Refer to "SYMPTOM CHART ".

NG: Repair or replace harness.

Fig 2: Checking Continuity Between IPDM E/R Connector E121 Terminal 51 And Horn Relay Connector H-1 Terminal 1, And Between Connector E121 Terminal 51 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.