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:
Registering a new contact to the contact list
New contact data can be registered. Up to 4 numbers per person can be registered.
For PBAP compatible Bluetooth® phones, this function is available when “Automatic
Contact/History Transfer” is set to off.
1 Select “New Contact”.
2 Enter the name and select “OK”.
3 Enter the phone ...
Inspection
1. Inspect outer mirror switch assy
Inspect the mirror switch continuity.
Left side for left/right adjustment switch:
inspect the mirror switch continuity
Standard (left side):
If the result is not as specified, replace the switch assembly.
Right side for left/r ...
Problem symptoms table
The suspected circuits or parts for each problem symptom are shown in the
table below. Use this table to
troubleshoot the problem when a normal code is displayed in the diagnostic
trouble code chart but the problem
is still occurring. Numbers in the table indicate the order in which the
circ ...


