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:
Opening the trunk
■ Trunk opener
Pull the lever upward to release
the trunk lid.
■ Trunk release button (vehicles
with a smart key system)
While carrying the electronic
key, press the button on the
trunk lid.
When all the doors are unlocked
using one of the following methods,
the trunk can be opened
without the ...
Circuit description
If the engine coolant temperature (ect) does not reach 75°c (167°f) despite
sufficient warm – up time has
elapsed.
Dtc no
Dtc detection condition
Trouble area
P0128
Condition (a), (b) and (c):
cold start
after engine is warmed up
& ...
Circuit description
The door key lock and unlock switch is built in the door lock motor.
Wiring diagram
Inspection procedure
1 Check door lock
2 Check wire harness (tvip ecu door lock)
Disconnect the tvip ecu and door lock connectors.
check the continuity between the terminals of the t ...