Toyota
Nissan Versa
 Sedan Service Manual
Body exterior, doors, roof & vehicle security » Door & lock (DLK) » Horn function
Diagnosis Procedure

Regarding Wiring Diagram information, refer to DLK "Wiring Diagram".

1.CHECK HORN FUNCTION

Check horn function with horn switch.

Does the horn sound?

YES >> GO TO 2

NO >> Refer to HRN "Wiring Diagram".

2.CHECK HORN RELAY POWER SUPPLY

  1. Turn ignition switch ON.
  2. Perform "ACTIVE TEST" ("HORN") with CONSULT.
  3. Using an oscilloscope or analog voltmeter to check voltage between IPDM E/R connector and ground. 

Is the inspection result normal?

YES >> Repair or replace open harness between IPDM E/R and horn relay.

NO >> GO TO 3

3.CHECK HORN RELAY CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect IPDM E/R and horn relay connector.
  3. Check continuity between IPDM E/R harness connector and horn relay harness connector.  
  4. Check continuity between IPDM E/R harness connector and ground.       

Is the inspection result normal?

YES >> GO TO 4

NO >> Repair or replace harness.

4.CHECK INTERMITTENT INCIDENT

Refer to GI "Intermittent Incident".

Is the inspection result normal?

YES >> Replace IPDM E/R. Refer to PCS "Removal and Installation".

NO >> Repair or replace the malfunctioning part.

    More about «Horn function»:

    Component Function Check

    Diagnosis Procedure

    Nissan Versa Sedan Service Manual / Body exterior, doors, roof & vehicle security / Door & lock (DLK) / Horn function / Diagnosis Procedure

    Nissan Versa Sedan Service Manual

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