Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Toyota vehicle intrusion protection system / Terminals of ecu
Toyota Corolla (E120): Terminals of ecu
1. Inspect tvip ecu

- Inspect the ecu–b, dome and ecu–ig fuses.
- disconnect the tvip ecu connector, and the continuity and voltage of check each terminal of the disconnected connector.
Standard:

If the result is not as specified, the vehicle’s side may malfunction.
- Reconnect the tvip ecu connector, and the continuity and voltage of check each terminal of the disconnected connector.
Standard:

If the result is not as specified, the tvip ecu may malfunction.
2. Inspect integration relay

- Disconnect the connector and check the continuity of each terminal of the disconnected connector.

If the result is not as specified, the vehicle’s side may malfunction.
3. Inspect instrument panel j/b (integration relay)

- Inspect the door fuse.
- disconnect the id connector of the instrument panel j/b, and check the continuity of each terminal of the disconnected connectors.
Standard:

If the result is not as specified, the vehicle’s side may malfunction.
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 ...
Heater & air conditioner
Service data
Torque specification
Supplemental restraint system
Torque specification
Seat belt
Torque specification
Wiper & washer
Torque specification
Audio & visual system
Torque specification
Instrument panel/meter
Torque specification
Seat
Torque sp ...
On–vehicle inspection
1. Inspect drive belt
Visually check the belt for excessive wear, frayed cords,
etc.
If any defect is found, replace the drive belt.
Hint:
cracks on the rib side of a belt are considered acceptable. If the
missing chunks from the ribs are found on the belt, it should be
replaced.
2 ...


