Nissan Altima 2007-2012 Service Manual: Function diagnosis

Mixture ratio self-learning value clear
Description This describes show to erase the mixture ratio self-learning value. For the actual procedure, follow the instructions in “Diagnosis Procedure”. Special Repair Requirement 1.START ...

Engine control system
System Diagram System Description ECM performs various controls such as fuel injection control and ignition timing control. Component Parts Location 1. Power valve actuator 1 2. Intake va ...

Other materials:

On-vehicle maintenance
ROAD WHEEL Inspection ALUMINUM WHEEL 1. Check tires for wear and improper inflation. 2. Check wheels for deformation, cracks and other damage. If deformed, remove wheel and check wheel runout. a. Remove tire from aluminum wheel and mount on a tire balance machine. b. Set dial indicat ...

P0011, P0021 IVT control
DTC Logic DTC DETECTION LOGIC NOTE: If DTC P0011 or P0021 is displayed with DTC P0075 or P0081, first perform the trouble diagnosis for DTC P0075, P0081. Refer to EC-1191, "DTC Logic". DTC CONFIRMATION PROCEDURE 1.PRECONDITIONING If DTC Confirmation Procedure has been previousl ...

P0139 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 ...