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:
Steering column
Service data
Torque specification
Power steering
Service data
Torque specification
: For use without sst ...
Deleting a registered phone number
1 Select “Delete contacts” using .
2 Select the desired phone number using
and press
(YES).
To delete all of the registered phone numbers, select “All delete” using
and press
(YES). ...
Inspection procedure
1 Inspect transmission wire(slt)
Disconnect the transmission wire connector from the
transaxle.
measure the resistance according to the value(s) in the
table below.
Standard:
Measure the resistance according to the value(s) in the
table below.
Standard (check for short):
...


