Nissan Altima 2007-2012 Service Manual: Body alignment
Body Center Marks
A mark has been placed on each part of the body to indicate the vehicle center. When repairing parts damaged by an accident which might affect the vehicle frame (members, pillars, etc.), more accurate and effective repair will be possible by using these marks together with body alignment specifications.
Panel Parts Matching Marks
A mark has been placed on each body panel to indicate the parts matching positions. When repairing parts damaged by an accident which might affect the vehicle structure (members, pillars, etc.), more accurate and effective repair will be possible by using these marks together with body alignment specifications.
Description
• All dimensions indicated in the figures are actual.
• When using a tracking gauge, adjust both pointers to equal length. Then check the pointers and gauge itself to make sure there is no free play.
• When a measuring tape is used, check to be sure there is no elongation, twisting or bending.
• Measurements should be taken at the center of the mounting holes.
• An asterisk (*) following the value at the measuring point indicates that the measuring point on the other side is symmetrically the same value.
• The coordinates of the measurement points are the distances measured from the standard line of ″X″, ″Y″ and ″Z″.
Engine Compartment
Measurement
Measurement Points
Underbody
Measurement
Measurement Points
Passenger Compartment
Measurement
Measurement Points
Rear Body
Measurement
Measurement Points
Precautions in repairing high
strength steel
High Strength Steel (HSS)
High strength steel is used for body panels in order to reduce vehicle
weight.
Accordingly, precautions in repairing automotive bodies made of high strength
steel ar ...
Other materials:
Air conditioner control
System Diagram
CONTROL SYSTEM
The control system consists of input sensors, switches, front air control and
outputs. The relationship of these
components is shown in the figure below:
System Description
CONTROL OPERATION
1. Blower control dial
2: Air recirculation switch
3: Defroster ...
B2193, P1612 chain of ECM-IMMU
Description
BCM performs the ID verification with ECM that allows the engine to start.
Start the engine if the ID is OK.
ECM prevents the engine from starting if the ID is not registered. BCM starts
the communication with ECM if
ignition switch is turned ON.
DTC Logic
DTC DETECTION LOGI ...
Occupant classification system
System Diagram
Occupant Classification System (OCS)
The occupant classification system (OCS) identifies if a child or child seat
is present in the front passenger
seat. The OCS receives inputs from the occupant classification sensor mat
(located inside the passenger seat
cushion assembly ...