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:
Problem symptoms table
If a normal code is displayed during the dtc check but the problem still
occurs, check the circuits for each
problem symptom in the order given in the table below and proceed to the
relevant troubleshooting page.
Notice:
when replacing skid control ecu, sensor or etc., Turn the ignition swi ...
When the contact is empty
You can transfer the phone numbers in a Bluetooth® phone to the system.
Operation methods differ between PBAP (Phone Book Access Profile) compatible
and PBAP incompatible Bluetooth® phones. If the cellular phone does not support
either PBAP or OPP (Object Push Profile) service, you cannot tra ...
On–vehicle inspection
1. Inspect sliding roof function
check the slide opening operation (manual).
Turn the ignition switch on.
When keeping operating the sliding roof switch to the open side,
check that the roof glass will
slide and be fully opened.
check the slide closing ...