Wiring Diagram








Wiring diagram
Vehicle security systemB257B, B257C ambient sensor
Description
COMPONENT DESCRIPTION
Ambient Sensor
The ambient sensor (1) is installed to the front bumper
reinforcement.
It detects ambient temperature and converts it into a resistance
value which is then input into the A/C auto amp.
Ambient Sensor Circuit
AMBIENT TEMPERATUR ...
Audio system
System Diagram
System Description
AUDIO SYSTEM
The audio system consists of the following components
AV control unit
Display unit
Window antenna
Steering wheel audio control switches
A/C and AV switch assembly
Front door speakers
Tweeters
Rear door speakers
Subwoofers
Whe ...
Engine block heater (if so equipped)
Engine block heaters are used to assist with cold
temperature starting.
The engine block heater should be used when
the outside temperature is 20F (-7C) or lower.
WARNING
Do not use your engine block heater
with an ungrounded electrical system or
a 2-pronged adapter. You can be serious ...