Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Stop light switch circuit / Inspection procedure
Toyota Corolla (E120): Inspection procedure
Hand–held tester:
1 Check operation of stop light
- Check if the stop lights go on and off normally when the brake pedal is depressed and released.
2 Inspect stop light switch assy
- Check the resistance between the terminals when the switch is turned on and off.
Standard:
3 Read value of hand–held tester(stp signal)
- Turn the ignition switch on.
- select the item ”diagnosis / enhanced obd ii / data list / all / stop light sw” and read its value displayed on the hand–held tester.
Standard:
4 Check harness and connector(stop light switch – ecm)
- Disconnect the s9 stop light switch connector.
- disconnect the e5 ecm connector.
- check the resistance between the wire harness side connectors.
Standard (check for open):
Standard (check for short):
- Reconnect the ecm connector.
- reconnect the stop light switch connector.
Replace ecm
Obd ii scan tool (excluding hand–held tester):
1 Check operation of stop light
- Check if the stop lights go on and off normally when the brake pedal is depressed and released.
2 Inspect stop light switch assy
- Check the resistance between terminals when the switch on and off.
Standard:
3 Inspect ecm(stp voltage)
- Turn the ignition switch on.
- measure the voltage between the terminals of the e4 and e5 ecm connectors.
Standard:
4 Check harness and connector(stop light switch – ecm)
- Disconnect the s9 stop light switch connector.
- disconnect the e5 ecm connector.
- check the resistance between the wire harness side connectors.
Standard (check for open):
Standard (check for short):
- Reconnect the ecm connector.
- reconnect the stop light switch connector.
Replace ecm
Other materials:
SRS airbags
The SRS airbags inflate when the vehicle is subjected to certain
types of severe impacts that may cause significant injury
to the occupants. They work together with the seat belts to
help reduce the risk of death or serious injury.
SRS airbag system
■ Location of the SRS airbags
SRS front airbags ...
Spiral cable sub–assy
Components
Replacement
Hint: components:
1. Precaution
2. Disconnect battery negative terminal
3. Place front wheels facing straight ahead
check that the front wheels are facing straight ahead.
4. Remove horn button assy
5. Remove steering wheel assy
sst 09950–50013 ...
Sound quality is bad in all modes (volume is too low)
Wiring diagram
Inspection procedure
1 Adjust sound quality
Adjust the sound quality.
Operate the radio receiver assy to adjust the sound quality.
Standard: malfunction disappear.
2 Compare it with another car of same model
Compare it with another vehicle of the same mo ...