Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Toyota vehicle intrusion protection system / Ecu power source circuit
Toyota Corolla (E120): Ecu power source circuit
Circuit description
This circuit provides power to operate the tvip ecu.
Wiring diagram
Inspection procedure
1 Check fuse (ecu–b)
- Remove the fuse from the instrument panel j/b.
- check the continuity of the fuse.
Standard: continuity
2 Check tvip ecu
- Disconnect the tvip ecu connector.
- measure the voltage between the terminals of the ecu connector, as shown in the illustration and table.
Standard:
3 Check wire harness (tvip ecu body ground)
- Disconnect the tvip ecu connector.
- check the connector on the harness side, as shown in the illustration and table.
Standard:
Check and replace tvip ecu
Other materials:
Windshield wiper switch assy
Replacement
1. Remove steering column cover lwr
Remove 3 screws and steering column cover lwr.
2. Remove windshield wiper switch assy
Disconnect the connecter of the windshield wiper switch.
release the claw and pull out the windshield wiper switch
assy as shown in the ...
Abbreviations used in this manual
...
Disposal
1. Dispose shock absorber assy front lh
fully extend the shock absorber piston rod.
using a drill, make a hole in the cylinder as shown in the
illustration to discharge the gas inside.
Caution:
when drilling, chips may fly out, work carefully.
The gas is colorless, o ...