Toyota Corolla (E120): Circuit description
The door courtesy switch turns on when the door is opened and off when the door is closed.
Wiring diagram

Other materials:
Meter display
■ Locations of gauges and meters
Engine coolant temperature gauge
Displays the engine coolant temperature
Outside temperature
Displays the outside temperature within the range of -40ºF (-40ºC) to 140ºF
(60ºC)
Analog speedometer/Tachometer
This setting can be changed on the setting scr ...
Using the steering wheel switches
The steering wheel switches can be used to operate a connected cellular phone
or portable digital audio player (portable player).
Operating a Bluetooth® phone using the steering wheel switches
1 Volume
The voice guidance volume cannot be adjusted using these buttons.
2 Off-hook switch
Turns ...
On–vehicle inspection
1. Inspect pressure switch no.1.
Magnetic clutch control:
inspect pressure switch operation.
Set on the manifold gauge set.
Connect the positive (+) lead from the ohmmeter to
terminal 4 and the negative (–) lead to terminal 1.
Check continuity between termin ...


