Toyota Corolla (E120): Circuit description
The door key lock and unlock switch is built in the door lock motor.
Wiring diagram

Inspection procedure
1 Check door lock


2 Check wire harness (tvip ecu door lock)

- Disconnect the tvip ecu and door lock connectors.
- check the continuity between the terminals of the tvip ecu and door lock connectors, as shown in the illustration and table.
Standard:



3 Check wire harness (door lock body ground)

- Disconnect the door lock connector.
- check the continuity between the terminal of the door lock connector and the body ground, as shown in the illustration and table.
Standard:



Proceed to next circuit inspection shown on problem symptoms table
Other materials:
On–vehicle inspection
   1. Inspect turn signal flasher relay circuit
	Disconnect the connector from the turn signal flasher
	relay and inspect the connector on wire harness side as
	shown in the chart.
Standard:
	Connect the connector to the turn signal flasher and inspect
	the wire harness side connector ...
   
Smart key system
   The following operations
can be performed simply by
carrying the electronic key
on your person, for example
in your pocket. The driver
should always carry the
electronic key.
	Locks and unlocks the
	doors 
	Opens the trunk 
	Starts the engine
■Antenna location
	Antennas outside the cabin
	Ante ...
   
Tire information
   Typical tire symbols
Full-size tire
	Tire size 
	DOT and Tire Identification Number (TIN)
	Uniform tire quality grading
	For details, see "Uniform Tire Quality Grading" that follows.
	Location of treadwear indicators 
	Tire ply composition and materials
	Plies are layers of rubber-coated parallel  ...
   


