2004 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE

Check IPDM E/R Operation

WARNING: This page is about a different car, the 2005 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK IPDM E/R INPUT VOLTAGE 

    Check voltage between IPDM E/R connector E9 terminal 51 and ground.

    51 (G/B) - Ground: Battery voltage 

    Fig 1: Checking Voltage Between IPDM E/R Connector E9 Terminal 51 And Ground
    G02354309Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: Replace IPDM E/R.
    2. NG: GO TO 2.
  2. CHECK IPDM E/R HARNESS 
    1. Turn ignition switch OFF.
    2. Disconnect IPDM E/R and horn relay connector.
    3. Check continuity between IPDM E/R connector E9 terminal 51 and horn relay connector E20 terminal 1.

      51 (G/B) - 1 (G/B): Continuity should exist. 

      Fig 2: Checking Continuity Between IPDM E/R Connector E9 Terminal 51 And Horn Relay Connector E20 Terminal 1
      G02354310Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: Check the condition of the harness and the connector.
    2. NG: Repair or replace harness.
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