Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Toyota vehicle intrusion protection system / Tvip ecu communication circuit / Inspection procedure
Toyota Corolla (E120): Inspection procedure
1 Check tvip ecu
- Check that the operation of the tvip function is normal.
Hint
: with this inspection, the tvip ecu cpu can be diagnosed if it works normally or not.


2 Check wire harness (tvip ecu integration relay)

- Disconnect the tvip ecu and integration relay connectors.
- check the continuity between the terminal of the tvip ecu connector and integration relay connectors, as shown in the illustration and table.
Standard:



Check and replace tvip ecu
Other materials:
Overhaul
1. Remove speedometer drive (mtm) gear
Remove the speedometer drive (mtm) gear from the front
differential case.
2. Remove front differential ring gear
Place matchmarks on the front differential ring gear and
front differential case.
Remove the 8 bolts. Using a hamme ...
Clutch
Preparation
Sst
Recomended tools
Equipment
Lubricant
...
Opening the trunk from outside the vehicle
◆ Smart key system (if equipped)
While carrying the electronic key, press the button on the trunk lid.
When all the doors are unlocked with the power door lock system, the trunk can
be opened without carrying the electronic key.
◆ Wireless remote control (if equipped)
► Veh ...


