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:
B2191, P1615 Difference of key
Description
Performs ID verification through BCM and keyfob when push-button ignition
switch is pressed.
Prohibits the release of steering lock or start of engine when an unregistered
ID of keyfob is used.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRM ...
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), ...
B2602 shift position
Description
BCM confirms the shift position with the following 2 signals.
• CVT selector lever
• Speed signal from meter
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B2602 is displayed with DTC U1000, first perform the trouble diagnosis
for DTC U1000. Refer to
SEC-36, "DTC Lo ...