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Home >> Nissan-Datsun >> 2012 >> Murano SL, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 31 (Security Control System (CROSSCABRIOLET)) >> DTC/Circuit Diagnosis >> Horn Function >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK HORN FUNCTION

    Check that horns function properly using horn switch.

    Does horn sound? 

    YES: GO TO 2.

    NO: Check horn circuit. Refer to "WIRING DIAGRAM ".

  2. CHECK HORN CONTROL CIRCUIT
    1. Disconnect horn relay.
    2. Disconnect IPDM E/R connector.
    3. Check continuity between IPDM E/R harness connector and horn relay harness connector.
      IPDM E/R Horn relay Continuity
      Connector Terminal Connector Terminal
      E11 44 E5 1 Existed
    4. Check continuity between IPDM E/R harness connector and ground.
      IPDM E/R Ground Continuity
      Connector Terminal
      E11 44 Not existed

      Is the inspection result normal? 

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

      NO: Repair or replace harness.

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