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:
Shift lock system
System Diagram
System Description
The selector lever cannot be shifted from “P” position to any other position
unless the ignition switch is in the
ON position and the brake pedal is depressed.
Component Parts Location
1. BCM (view with instrument panel removed
2. Steering column
3. ...
Headlamp
Bulb Replacement
HEADLAMP
CAUTION:
• Do not touch the glass of bulb directly by hand. Keep grease and other oily
substances away from
bulb. Do not touch bulb by hand while it is lit or right after being turned off,
burning may result.
Removal
1. Disconnect negative battery terminal.
2 ...
Both side headlamps (LO) are not
turned on
Description
The headlamps (both sides) do not turn ON in any lighting switch setting.
Diagnosis Procedure
1.CHECK COMBINATION SWITCH
Check the combination switch. Refer to BCS-10, "System Description".
Is the combination switch normal?
YES >> GO TO 2
NO >> Repair or r ...