Nissan Altima 2007-2012 Service Manual: Idle speed
Description
This describes how to check the idle speed. For the actual procedure, follow the instructions in “BASIC INSPECTION”.
Special Repair Requirement
1.CHECK IDLE SPEED
Check idle speed in “DATA MONITOR” mode with CONSULT-III.
Check idle speed with Service $01 of GST.
>> INSPECTION END
Additional service when replacing
control unit
Description
When replacing ECM, this procedure must be performed.
Special Repair Requirement
1.PERFORM INITIALIZATION OF NATS SYSTEM AND REGISTRATION OF ALL NATS
IGNITION KEY IDS
Ref ...
Ignition timing
Description
This describes how to check the ignition timing. For the actual procedure,
follow the instructions in “BASIC
INSPECTION”.
Special Repair Requirement
1.CHECK IGNITION TIMING
1. A ...
Other materials:
P0448 evap canister vent control
valve
Description
The EVAP canister vent control valve is located on the EVAP canister
and is used to seal the canister vent.
This solenoid valve responds to signals from the ECM. When the
ECM sends an ON signal, the coil in the solenoid valve is energized.
A plunger will then move to seal the ca ...
Diagnosis system (audio unit)
Diagnosis Description
Self-diagnosis mode can check the following items.
• Audio unit hardware/software versions
• Continuity of each speaker channel
• Continuity of each audio unit switch
OPERATION PROCEDURE
1. Turn ignition switch to the ACC position.
2. Turn the audio unit off.
...
Fuel pump
Description
*: ECM determines the start signal status by the signals of engine speed and
battery voltage.
The ECM activates the fuel pump for several seconds after the ignition switch is
turned ON to improve engine
start ability. If the ECM receives a engine speed signal from the camshaf ...