Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Toyota vehicle intrusion protection system / Ecu power source circuit
Toyota Corolla (E120): Ecu power source circuit
Circuit description
This circuit provides power to operate the tvip ecu.
Wiring diagram

Inspection procedure
1 Check fuse (ecu–b)

- Remove the fuse from the instrument panel j/b.
- check the continuity of the fuse.
Standard: continuity


2 Check tvip ecu

- Disconnect the tvip ecu connector.
- measure the voltage between the terminals of the ecu connector, as shown in the illustration and table.
Standard:



3 Check wire harness (tvip ecu body ground)

- Disconnect the tvip ecu connector.
- check the connector on the harness side, as shown in the illustration and table.
Standard:



Check and replace tvip ecu
Other materials:
Replacement
1. Remove combination meter assembly
2. Disconnect brake master cylinder push rod clevis
remove the clip and push rod clevis pin and wave washer, and
disconnect the push rod clevis from
the brake pedal.
3. Remove brake pedal support sub–assy
Remove the bolt from the bra ...
Favorites list setting
Up to 15 contacts (maximum of 4 numbers per contact) can be registered in the
favorites list.
■ Registering the contacts in the favorites list
1 Select “Add Favorite”.
2 Select the desired contact to add to the favorites list.
Dimmed contacts are already stored as a favorite.
3 Chec ...
Setting the tire pressure
(vehicles with a tire pressure
warning system)
In the following situations, it will
be necessary to perform the tire
inflation pressure setting procedure
of the tire pressure warning
system.
When the specified tire inflation
pressure has changed,
such as due to carried load,
etc.
When the tire inflation pressure
is changed such as
when t ...


