Check IPDM E/R Operation

WARNING: This page is about a different car, the 2006 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

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

51 (G/B) - Ground : Battery voltage

Fig 1: Identifying Voltage Between IPDM E/R Harness Connector E9 Terminal 51 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 CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R and horn relay connector.
3. Check continuity between IPDM E/R harness connector E9 terminal 51 and horn relay harness connector E20 terminal 1.
51 (G/B) - 1 (G/B) : Continuity should exist.

Fig 2: Identifying Continuity Between IPDM E/R Harness Connector E9 Terminal 51 And Horn Relay Harness Connector E20 Terminal 1
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
- OK: Check harness connection.
- NG: Repair or replace harness.