Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Toyota vehicle intrusion protection system / Hazard warning switch circuit / Inspection procedure
Toyota Corolla (E120): Inspection procedure
1 Check hazard warning signal switch assy

- Check the hazard warning switch continuity, as shown in the illustration and table.
Standard:



2 Check turn signal flasher assy


3 Check wire harness (tvip ecu turn signal flasher)

- Disconnect the tvip ecu and turn signal flasher connectors.
- check the continuity between the terminals of the tvip ecu and turn signal flasher connectors, as shown in the illustration and table.
Standard:



4 Check wire harness (hazard warning switch body ground)

- Disconnect the hazard warning switch connector.
- check the continuity between the terminal of the hazard warning switch connector and the body ground, as shown in the illustration and table.
Standard:



Check and replace tvip ecu
Other materials:
On–vehicle inspection
1. Inspect drive belt
Visually check the belt for excessive wear, frayed cords,
etc.
If any defect is found, replace the drive belt.
Hint:
cracks on the rib side of a belt are considered acceptable. If the
missing chunks from the ribs are found on the belt, it should be
replaced.
2 ...
Horn
To sound the horn, press on or close to the
mark.
CAUTION
■Caution while driving
Do not adjust the steering wheel while driving.
Doing so may cause the driver to mishandle the vehicle and cause an accident,
resulting in death or serious injury.
■After adjusting the steering wh ...
For safe driving
For safe driving, adjust the
seat and mirror to an appropriate
position before driving.
Correct driving posture
Adjust the angle of the seatback
so that you are sitting
straight up and so that you do
not have to lean forward to
steer.
Adjust the seat so that you
can depress the pedals fully ...


