Toyota Corolla (E120): Circuit description
The door control receiver receives a signal from the transmitter and sends this signal to the integration relay.
Then, the integration relay controls door operation by sending a door lock/unlock signal to each door lock motor.
Wiring diagram

Other materials:
Starting & charging
Preparation
Sst
Recomended tools
Equipment
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Locking the doors from the outside without a key
1 Move the inside lock button to the lock position.
2 Close the door.
► Vehicles without a smart key system
The door cannot be locked if either of the front doors is open and the key is in
the engine switch.
► Vehicles with a smart key system
The door cannot be locked if the engin ...
On–vehicle inspection
1. Inspect drive belt
Visually check the belt for excessive wear, frayed cords,
etc.
If any defect is found, replace the drive belt.
Hint:
cracks on the rib side of a belt are considered acceptable. If the
missing chunks from the ribs are found on the belt, it should be
replaced.
2 ...


