IPDM E/R Operation Check

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

51 - Ground: Battery voltage

Fig 1: Checking Voltage Between IPDM E/R Harness Connector E121 Terminal 51 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

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 CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R and horn relay connector.
3. Check continuity between IPDM E/R harness connector E121 terminal 51 and horn relay harness connector H-1 terminal 1.
  51 - 1: Continuity should exist.
Fig 2: Checking Continuity Between IPDM E/R Harness Connector E121 Terminal 51 And Horn Relay Harness Connector H-1 Terminal 1
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: Check harness connection.

NG: Repair or replace harness.