Toyota Corolla (E120) 2002–2008 Repair Manual / Heater & air conditioner
Toyota Corolla (E120): Heater & air conditioner
- Air conditioning system
- Refrigerant
- Refrigerant line
- Heater control & accessory assy
- Air conditioner unit assy
- Cooler compressor assy
- W/receiver condenser assy
Other materials:
Changing engine switch modes
Modes can be changed by pressing the engine switch with the brake pedal (continuously
variable transmission) or clutch pedal (manual transmission) released. (The mode
changes each time the switch is pressed.)
► Vehicles without a multi-information display
Off*
The emergency flashers ca ...
Circuit description
The rear heated oxygen sensor is used to monitor oxygen concentration in the
exhaust gas. For optimum
catalytic converter operation, the air fuel mixture must be maintained near the
ideal ”stoichiometric” ratio.
The heated oxygen sensor output voltage changes suddenly in the vicinity of ...
Circuit description
When the idle switch is turned on, a signal is sent to the cruise control ecu
assy. The cruise control ecu
assy uses this signal to correct the discrepancy between the throttle valve
position and the actuator position
sensor values to enable accurate cruise control at the set speed. If the idl ...