Introduction
The purpose of this repair manual is to provide service
advisors and technicians with the basic knowledge needed to
ensure professional and competent procedures.
Note
Only the c
Physical Principles
The four known states of water also apply to air
conditioning system refrigerants.
1 - Gaseous (invisible)
2 - Vapor
3 - Liquid
4 - Solid
Refrigerant R134a Physical Data
Vehicle air conditioning systems make use of the
vaporization and condensation process. In this case, one works
with a substance which boils easily, designated as ref
Removing
- Remove the rear bumper cover. Refer to
→ Body Exterior; Rep. Gr.63; Rear Bumper; Bumper Cover, Removing
and Installing.
Note
For vehicles without a cover in the luggage compartment side
trim panel, the side trim panel (left and/or right) is to be
removed
General Description
The Knock Sensor 1 -G61- is a tuned accelerometer on the
engine which converts engine vibration to an electrical signal.
The Engine Control Module -J623- uses this signal to determine
the presence of engine knock and to retard spark timing, if
necessary.
Special tools and wor