Nissan Altima 2007-2012 Service Manual: Horn

Description

Horn (high/low) is located inside of front bumper and operates when theft warning system is in alarm phase.

Component Function Check

1.CHECK FUNCTION

1. Select HORN in “ACTIVE TEST” mode with CONSULT-III.

2. Check the horn (high/low) operation.

Is the operation normal? YES >> Inspection End.

NO >> Refer to SEC-120, "Diagnosis Procedure".

Diagnosis Procedure

1.CHECK HORN FUNCTION

Check horn function with horn switch Do the horns sound? YES >> GO TO 2

NO >> Refer to HRN-3, "Wiring Diagram - Coupe".

2.CHECK HORN RELAY POWER SUPPLY

1. Turn ignition switch ON.

2. Perform “ACTIVE TEST” (“HORN”) with CONSULT-Ill.

3. Using an analog voltmeter or an oscilloscope, check voltage between IPDM E/R connector E17 terminal 44 and ground.

Is the inspection result normal? YES >> Repair or replace 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-42, "Intermittent Incident".

Is the inspection result normal? YES >> Replace IPDM E/R.Refer to PCS-48, "Removal and Installation".

NO >> Repair or replace the malfunctioning part.

    Key cylinder switch
    Description For vehicles equipped with LH and RH anti-pinch system, the main power window and door lock/unlock switch detects condition of the door key cylinder switch and transmits to BCM as the ...

    Headlamp
    Description Headlamp lighting when theft warning system is alarm phase. Component Function Check 1.CHECK HEADLAMP OPERATION Check if headlamp operate by lighting switch. Does headlamp come on ...

    Other materials:

    Intake manifold
    Removal and Installation 1. Intake manifold 2. Gasket A. Follow installation procedure REMOVAL WARNING: To avoid the danger of being scalded, never drain the coolant when the engine is hot. 1. Remove the engine cover with power tool. 2. Release the fuel pressure. Refer to EC-1579, &quo ...

    P2118 throttle control motor
    Description The throttle control motor is operated by the ECM and it opens and closes the throttle valve. The current opening angle of the throttle valve is detected by the throttle position sensor and it provides feedback to the ECM to control the throttle control motor to make the thrott ...

    Main line between DLC And ABS Circuit
    Diagnosis Procedure INSPECTION PROCEDURE 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the following terminals and connectors for damage, bend and loose connection (connector side and harness side). - Harness co ...