Nissan Altima 2007-2012 Service Manual: Function diagnosis
STARTING SYSTEM
System Diagram
System Description
The starter motor plunger closes and provides a closed circuit between the battery and the starter motor. The starter motor is grounded to the cylinder block. With power and ground supplied, the starter motor operates.
Component Description
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
NOTE:
To ensure a complete and thorough diagnosis, the battery, starter motor and
alternator test segments must be
done ...
Other materials:
S Terminal circuit
Description
The output voltage of the generator is controlled by the IC regulator at
terminal “3” (S) detecting the input voltage.
Terminal “3” circuit detects the battery voltage to adjust the generator output
voltage with the IC regulator.
Diagnosis Procedure
1.CHECK VOLTAGE REG ...
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.
...
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 spark plug with a suitable spark plug wrench.
INSPECTION AFTER REMOVAL
• Do not use a wire brush for clean ...
