Nissan Altima 2007-2012 Service Manual: 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 “THEFT IND” in the “ACTIVE TEST” mode with CONSULT-III.
2. Check vehicle security indicator operation.
Is the inspection result normal? YES >> Inspection End.
NO >> Refer to SEC-124, "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK COMBINATION METER
Check combination meter. Refer to MWI-4, "Work Flow".
Is the inspection result is normal? YES >> GO TO 2
NO >> Repair or replace the malfunctioning parts.
2.CHECK INTERMITTENT INCI
Refer to GI-42, "Intermittent Incident".
>> Inspection End.
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 ...
Ecu diagnosis
...
Other materials:
P0452 evap control system pressure
sensor
Description
The EVAP control system pressure sensor detects pressure in the
purge line. The sensor output voltage to the ECM increases as pressure
increases.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously cond ...
ECM branch line 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 following terminals and connectors for damage, bend and loose
connection (unit side and connector
side).
- ECM
- Harnes ...
Lan system circuit
Description
SYMPTOM: Mode door motor, intake door motor and/or air mix door motor does
not operate normally.
Diagnosis Procedure
DIAGNOSIS PROCEDURE FOR LAN CIRCUIT
1.CHECK POWER SUPPLY FOR DOOR MOTORS
1. Press ignition switch ON.
2. Check voltage between front air control connector M37 ...