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:
Check open circuit
For the open circuit in the wire harness in fig. 1, Perform
a resistance check in step (b) or a voltage check in step
(c) to locate the section.
Check the resistance.
Disconnect connectors a and c and measure the
resistance between them.
Resistance: 1 Ω or les ...
Initialization
Select “Initialize” using .
● Initializing the sound settings
Select “Sound setting” using and press
(YES).
For details about sound settings: ● Initializing the device information
Select “Car Device Info” using and
press (YES).
Automatic connection of a portable ...
Replacement
1. Remove front door scuff plate rh
Using a screwdriver, remove the front door scuff plate rh.
Hint:
tape the screwdriver tip before use.
Remove front door scuff plate lh
Remove rear door scuff plate rh
Using a screwdriver, remove the rear door scuff plate rh.
Hint:
tap ...


