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:
Circuit description
The airbag sensor front lh circuit consists of the airbag sensor assy center
and airbag sensor front lh.
Dtc b1158/b1159/16 is recorded when malfunction is detected in the airbag sensor
front lh circuit.
Wiring diagram
...
Overhaul
1. Precaution
2. Disconnect battery negative terminal
3. Inspect place front wheels facing straight ahead
4. Remove horn button assy
Notice:
if the airbag connector is disconnected with the ignition
switch being at on, dtcs will be recorded.
using a torx socket wrench, loosen the ...
Overhaul
Hint: components:
1. Drain manual transaxle oil (m/t transaxle)
torque: 39.2 Nvm (400 Kgf·cm, 29 ft·lbf)
2. Drain automatic transaxle fluid (a/t transaxle)
torque: 17.5 Nvm (178 Kgf·cm, 13 ft·lbf)
3. Remove front wheel
4. Remove engine under cover lh
5. Remove front axle hub lh nut
...