AIR CONDITIONING CUT CONTROL : System Description
SYSTEM DIAGRAM
INPUT/OUTPUT SIGNAL CHART
Sensor | Input Signal to ECM | ECM function | Actuator | |
Crankshaft position sensor (POS) | Engine speed* Piston position | Air conditioner cut control | IPDM E/R
↓ Air conditioner relay ↓ Compressor |
|
Camshaft position sensor (PHASE) | ||||
Engine coolant temperature sensor | Engine coolant temperature | |||
Accelerator pedal position sensor | Accelerator pedal position | |||
Battery | Battery voltage* | |||
Refrigerant pressure sensor | Refrigerant pressure | |||
EPS control unit | CAN communication | EPS operation signal | ||
Combination meter | CAN communication | Vehicle speed signal | ||
A/C auto amp. | CAN communication |
|
*: ECM determines the start signal status by the signals of engine speed and battery voltage.
SYSTEM DESCRIPTION
This system improves engine operation when the air conditioner is used.
Under the following conditions, the air conditioner is turned off.
Glass
Use glass cleaner to remove smoke and dust film
from the glass surfaces. It is normal for glass to
become coated with a film after the vehicle is
parked in the hot sun. Glass cleaner and a soft
cloth will easily remove this film.
CAUTION
When cleaning the inside of the windows,
do not use sha ...
Brake booster
Inspection
Operation
Depress the brake pedal several times at five second intervals with
the engine stopped. Start the engine with the brake pedal fully
depressed. Check that the clearance between brake pedal and dash
lower panel decreases.
NOTE:
A slight impact with a small click may be felt ...
Precaution for Work
When removing or disassembling each component, be careful not to damage
or deform it. If a component
may be subject to interference, be sure to protect it with a shop cloth.
When removing (disengaging) components with a screwdriver or similar
tool, be sure to wrap the component
with a ...