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:
Circuit description
The vehicle speed sensor circuit is sent to cruise control ecu assy as a
vehicle speed signal. For each rotation
of the shaft, the vehicle speed sensor sends a signal through the combination
meter assembly to the
cruise control ecu assy (see the following chart). The cruise control ecu assy
...
Have the malfunction repaired immediately. (vehicles with a smart key system)
After taking the specified steps to correct the suspected problem, check that
the warning message and light go off.
■Warning buzzer ...
Overhaul
1. Remove manual transmission filler plug
Remove the manual transmission filler plug and gasket
from the manual transmission case.
2. Remove drain (mtm) plug sub–assy
Remove the drain (mtm) plug sub–assy and gasket from
the manual transmission case.
3. Remove speedomete ...