Nissan Altima 2007-2012 Service Manual: Malfunction indicator lamp
Description
The Malfunction Indicator Lamp (MIL) is located on the combination meter.
The MIL will illuminate when the ignition switch is turned ON without the engine running. This is a bulb check.
When the engine is started, the MIL should turn off. If the MIL remains illuminated, the on board diagnostic system has detected an engine system malfunction.
For details, refer to EC-1142, "Diagnosis Description".
Component Function Check
1.CHECK MIL FUNCTION
1. Turn ignition switch ON.
2. Check that MIL illuminates.
Is the inspection result normal? YES >> INSPECTION END
NO >> Go to EC-1496, "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK DTC
Check that DTC UXXXX is not displayed.
Is the inspection result normal? YES >> GO TO 2.
NO >> Perform trouble diagnosis for DTC UXXXX. Refer to EC-1179, "Description".
2.CHECK COMBINATION METER FUNCTION
Refer to MWI-95, "DTC Index".
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace.
3.CHECK INTERMITTENT INCIDENT
Refer to GI-42, "Intermittent Incident".
Is the inspection result normal? YES >> Replace combination meter.
NO >> Repair or replace.
Ignition signal
Description
The ignition signal from the ECM is sent to and amplified by the power
transistor. The power transistor turns
ON and OFF the ignition coil primary circuit. This ON/OFF operation induce ...
On board refueling vapor recovery (ORVR)
Description
From the beginning of refueling, the air and vapor inside the fuel tank go
via the refueling EVAP vapor cut
valve and EVAP/ORVR line to the EVAP canister. The vapor is absorbed by th ...
Other materials:
Evap leak check
Inspection
CAUTION:
• Never use compressed air or a high pressure pump.
• Never exceed 4.12 kPa (0.042 kg/cm2, 0.6 psi) of pressure in EVAP system.
NOTE:
• Do not start engine.
• Improper installation of EVAP service port adapter (commercial service tool)
to the EVAP service po ...
B260A ignition relay
Description
BCM turns ON the following relays to ignition power supply to each ECU when
the ignition switch is turned
ON.
• Ignition relay-1 (inside IPDM E/R)
• Ignition relay-2 (inside fuse box)
• Blower fan motor relay
BCM checks any ignition relay ON request for consistency with ...
Side air bag (satellite) sensor
Removal and Installation
REMOVAL
1. Side air bag (satellite) sensor harness
connector
2. Side air bag (satellite) sensor
A. Side air bag (satellite) sensor nuts
1. Side air bag (satellite) sensor harness
connector
2. Side air bag (satellite) sensor
A. Side air bag (satellite) sensor n ...