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:
Replacement
Hint: components:
1. Remove radiator grille sub–assy
2. Remove front bumper cover
3. Remove lh headlamp assy
Remove the 3 bolts.
pull out the headlight assy lh forward, then disconnect
the bracket of body side.
Release the claws and disconnect the connectors as
sh ...
Customization
Customizable features
Your vehicle includes a variety of electronic features that can be personalized
to suit your preferences. Programming these preferences requires specialized equipment
and may be performed by your Toyota dealer.
Customizing vehicle features
■ Changing by using the n ...
Ecm (1zz–fe)
Replacement
1. Disconnect battery negative terminal
2. Remove glove compartment door assy
3. Remove ecm
Remove the 2 clips using a clip remover. Then, open the
cover.
Disconnect the 4 ecm connectors.
remove the wire harness from the wire harness clamp.
Remove the 2 ...