Nissan Altima 2007-2012 Service Manual: 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 when turning switch “ON”? YES >> Headlamp circuit is OK.
NO >> Check headlamp system. Refer to SEC-122, "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK HEADLAMP OPERATION
Refer to EXL-40, "Diagnosis Procedure".
Is the inspection result normal? YES >> GO TO 2
NO >> Repair or replace.
2.CHECK INTER MITTENT INCIDENT
Refer to GI-42, "Intermittent Incident".
Is the inspection result normal? >> Inspection End.
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 TES ...
Warning lamp
Description
• Warning lamp is built in combination meter.
• Intelligent Key system malfunction is reported to the driver by the warning
lamp illumination.
Component Function Check
1.CHECK ...
Other materials:
Can communication 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 terminals and connectors of the IPDM E/R for damage, bend and loose
connection (unit side
and connector side).
Is the in ...
P0725 engine speed signal
Description
The engine speed signal is sent from the ECM to the TCM by CAN communication
line.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If “DTC CONFIRMATION PROCEDURE” has been previously performed, always turn
i ...
Fuel injector
Description
The fuel injector is a small, precise solenoid valve. When the ECM
supplies a ground to the fuel injector circuit, the coil in the fuel injector
is energized. The energized coil pulls the ball valve back and
allows fuel to flow through the fuel injector into the intake manifold.
...
