Nissan Altima 2007-2012 Service Manual: On-vehicle maintenance

Function diagnosis
NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING NVH Troubleshooting - Engine Noise Use the Chart Below to Help You Find the Cause of the Symptom 1. Locate the area where noise occurs. ...

Spark plug
Removal and Installation 1. Ignition coil 2. Spark plug 3. Rocker cover REMOVAL 1. Remove the ignition coil. Refer to EM-35, "Removal and Installation". 2. Remove the s ...

Other materials:

P1801 Vias control solenoid valve 2
Description The VIAS control solenoid valve 2 cuts the intake manifold vacuum signal for power valve 2 control. It responds to ON/OFF signals from the ECM. When the solenoid is OFF, the vacuum signal from the intake manifold is cut. When the ECM sends an ON signal the coil pulls the plunger ...

Ignition timing
Description This describes how to check the ignition timing. For the actual procedure, follow the instructions in “BASIC INSPECTION”. IGNITION TIMING : Special Repair Requirement 1.CHECK IGNITION TIMING 1. Attach timing light to No. 1 igniton coil (1) wire as shown. 2. Check i ...

Precaution
Supplemental Restraint System (SRS) "AIR B AG" and "SEAT BELT PRE-TENSIONER" The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along with a front seat belt, helps to reduce the risk or severity of injury to the dri ...