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:
Types of child restraints
Child restraint systems are classified into the following 3 types according to
the age and size of the child:
► Rear facing - Infant seat/convertible seat
► Forward facing - Convertible seat
► Booster seat
■Selecting an appropriate child restraint system
●U ...
Circuit description
The seat belt buckle switch (lh) circuit consists of the airbag sensor assy
center and front seat inner belt
assy (lh).
Dtc b0126/b0127/27 is recorded when a malfunction is detected in the seat belt
buckle switch (lh) circuit.
Wiring diagram
...
Replacement
1. Remove battery
2. Remove battery carrier
Remove the 4 bolts and battery carrier.
3. Disconnect floor shift cable transmission control shift
Remove the nut from the control shaft lever.
disconnect the control cable from the control shaft lever.
remove the clip a ...


