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:
Control system
System Diagram
System Description
The CVT senses vehicle operating conditions through various sensors. It
always controls the optimum shift
position and reduces shifting and lock-up shocks.
TCM FUNCTION
The function of the TCM is to:
• Receive input signals sent from various switches an ...
Line pressure test
Inspection and Judgment
INSPECTION
Line Pressure Test Port (A)
Line Pressure Test Procedure
1. Inspect the amount of engine oil and replenish if necessary.
2. Drive the car for about 10 minutes to warm it up so that the CVT fluid
reaches in the range of 50 to 80°C
(122 to 176°F), then ...
Vehicle security indicator
Description
• Vehicle security indicator is built in combination meter.
• NVIS (Nissan Vehicle Immobilizer System-NATS) and vehicle security system
conditions are indicated by
blink or illumination of vehicle security indicator.
Component Function Check
1.CHECK FUNCTION
1. Perform ...
