Nissan Altima 2007-2012 Service Manual: On-vehicle repair
Precaution
Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used alo ...Interior room lamp
Removal and Installation FRONT ROOM/MAP LAMP NOTE: For non-sunroof equipped vehicles, the front room/map lamp assembly is an integral part of the headinlining and repaired only as an assembly. R ...Other materials:
B261A push-button ignition switch
Description
IPDM E/R transmits the push-button ignition switch status via CAN
communication to BCM. BCM receives
push-button ignition switch status by hardwire input. BCM compares the 2 signals
for mismatch.
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B261A is displayed with DTC U1000, ...
Sunload sensor
Description
COMPONENT DESCRIPTION
The sunload sensor (1) is located on the LH tweeter grille. It detects
sunload entering through windshield by means of a photo diode. The
sensor converts the sunload into a current value which is then input
into the front air control.
SUNLOAD INPUT PROCESS
...
Tumble control valve control
System Diagram
System Description
INPUT/OUTPUT SIGNAL CHART
*: ECM determines the start signal status by the signals of engine speed and
battery voltage.
SYSTEM DESCRIPTION
Tumble control valve has a valve portion in the intake passage of each
cylinder.
While idling and during low ...