COMPRESSOR CONTROL FUNCTION
Description
PRINCIPLE OF OPERATION
Compressor is not activated.
Functional circuit diagram

CAN (1): A/C switch signal
: Blower fan motor switch signal
CAN (2): A/C compressor request signal
Functional initial inspection chart

Fail-Safe
FAIL-SAFE FUNCTION
Compressor: ON
Air outlet: AUTO
Air inlet: FRE (
)
Blower fan speed: AUTO
Set temperature: Setting before communication error occurs
Display: OFF
Basic inspection
Automatic air conditioner systemUnit disassembly and assembly
COMBINATION METER
Disassembly and Assembly
DISASSEMBLY
Remove the combination meter. Refer to MWI-122,
"Removal and Installation".
Remove the combination meter lens (1) from the
combination
meter (2).
ASSEMBLY
Assembly is in the reverse order of disasse ...
P0643 sensor power supply
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform
the following before conducting
the next test.
Turn ignition switch OFF and wait at least 10 seconds.
Turn ignition switch ON.
Tu ...
Instrument Panel
Vent
Headlight/fog light/turn signal switch
Supplemental front-impact air bag. Horn
Meters and gauges. Warning and indicator lights. Vehicle information
display
Paddle shifters (if so equipped)
Wiper and washer switch
Audio controls*. Navigation controls*
Hazard warning flash ...