Nissan Altima 2007-2012 Service Manual: 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. Attach timing light to No. 1 igniton coil (1) wire as shown.
2 : Timing light
2. Check ignition timing.
1 : Timing indicator
>> INSPECTION END
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 s ...
Vin registration
Description
VIN Registration is an operation to registering VIN in ECM. It must be
performed each time ECM is replaced.
NOTE:
Accurate VIN which is registered in ECM may be required for Inspec ...
Other materials:
Shift mechanism
System Diagram
NOTE:
The gear ratio is set for every position separately.
System Description
In order to select the gear ratio which can obtain the driving force in
accordance with driver's intention and the
vehicle condition, TCM monitors the driving conditions, such as the vehicle
spee ...
P0139, P0159 HO2S2
Description
The heated oxygen sensor 2, after three way catalyst (manifold),
monitors the oxygen level in the exhaust gas on each bank.
Even if switching characteristics of the air fuel ratio (A/F) sensor 1
are shifted, the air-fuel ratio is controlled to stoichiometric, by the signal
from th ...
P2122, P2123 APP Sensor
Description
The accelerator pedal position sensor is installed on the upper end
of the accelerator pedal assembly. The sensor detects the accelerator
position and sends a signal to the ECM.
Accelerator pedal position sensor has two sensors. These sensors
are a kind of potentiometer which tran ...