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:
Selecting wheel set (vehicles
with a tire pressure
warning system)
Your vehicle is equipped with a
tire pressure warning system
with a function to register two
sets of ID codes. This allows for
registration of a second wheel
set, for example a winter set.
The wheel set can be changed
only if a second wheel set has
been registered to the system. If
a second wheel s ...
Hood
Opening the hood
1. Pull the hood lock release
lever.
The hood will pop up slightly.
2. Pull the auxiliary catch lever
to the left and lift the hood.
3. Hold the hood open by inserting
the support rod into the
slot.
WARNING
■Pre-driving check
Check that the hood is fully closed
and locked.
If ...
Exterior/interior trim
Preparation
Recomended tools
Equipment
Vehicle control system
Preparation
Recomended tools
...


