Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Toyota vehicle intrusion protection system / Ignition switch circuit / Inspection procedure
Toyota Corolla (E120): Inspection procedure
1 Check ignition or starter switch assy
- Check the ignition switch, as shown in the illustration and table.
Standard:
2 Check fuse (ecu–b)
- Remove the fuse from the instrument panel j/b.
- check the continuity of the fuse.
Standard: continuity
3 Check relay (marking: ig1)
- Remove the relay from the instrument j/b.
- inspect the relay continuity, as shown in the illustration and table.
Standard:
4 Check tvip ecu
- Disconnect the tvip ecu connector.
- turn the ignition switch on.
- measure the voltage between the terminal of the ecu connector and the body ground, as shown in the illustration and table.
Standard:
Check and replace tvip ecu
Other materials:
Adjustment
1. Put vehicle these conditions
tire inflation pressure is the specified value .
start the engine.
2. Adjust fog light aim
The fog light aim can be adjusting by moving the aiming
screw in the vertical direction.
Hint:
the optical aim moves upward when turning a scr ...
LTA (Lane Tracing Assist)
LTA functions
When driving on a road with
clear lane lines with the
dynamic radar cruise control
operating, lane lines and preceding
and surrounding vehicles
are detected using the
front camera and radar sensor,
and the steering wheel is
operated to maintain the vehicle's
lane position.
...
Inspection procedure
1 Check side squib(rh) circuit(airbag sensor assy center – front
seat airbag assy rh)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connectors between the airbag sensor
assy center and the front seat airbag assy ...