Nissan Altima manuals

Nissan Altima (L32) 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:

Front passenger air bag module
Removal and Installation REMOVAL CAUTION: • Before servicing, turn ignition switch OFF, disconnect both battery terminals and wait at least three minutes. • Do not use air tools or electric tools for servicing. • Always work from the side of air bag module. Do not work from the fro ...

Fender protector
Removal and Installation 1. Fender protector 2. Fender protector side cover A. J-clips B. Clips C. Center mudguard screw a. Sheet metal nut REMOVAL 1. Remove the engine under cover. Refer to EXT-34, "Removal and Installation". 2. Remove the screw from center mudguard. 3 ...

On-vehicle repair
COMBINATION METER Removal and Installation REMOVAL 1. Open the fuse block cover, remove the instrument lower cover screw (A), then remove the instrument lower cover (1). • Disconnect the harness connectors. • Disconnect the aspirator tube. 2. Remove the steering column screws (A), ...