Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Cruise control system / Stop light switch circuit / Inspection procedure
Toyota Corolla (E120): Inspection procedure
1 Check operation(stop lamp swtich assy)
- Check that the stop light comes on when the brake pedal is depressed, and turns off when the brake pedal is released.
2 Input signal check
- See input signal check on page 05–745.
- check the indicator light when the brake pedal is depressed.
Ok: the indicator light goes off when the brake pedal is depressed.
3 Inspect terminal voltage(stp–)
- Remove the cruise control ecu assy with connectors still connected.
- turn the ignition switch to on.
- measure voltage between terminal 3 (stp–) of cruise
control ecu assy connector and body ground, when the
brake pedal is depressed and released.
Ok:
4 Check harness and connector(between cruise control ecu assy and stop lamp switch assy)
- Check for open and short circuit in harness and connector between cruise control ecu assy and stop lamp switch assy
Check and replace cruise control ecu assy
Other materials:
Body
On–vehicle inspection
1. Canada:
tighten bolts and nuts on chassis and body
tighten the bolts and nuts on the chassis parts listed below, if
necessary
Front axle and suspension
drive train
rear axle and suspension
brake system
engine mounting
other chassis parts
...
Floor shift cable transmission control
shift (atm)
Replacement
1. Precaution
2. Disconnect battery negative terminal
3. Remove parking brake hole cover sub–assy
4. Remove console panel upper
5. Remove console box carpet
6. Remove console box sub–assy rear
7. Remove air bag sensor assy center
8. Disconnect oxygen sensor connector
...
Have the malfunction repaired immediately. (vehicles with a smart key system)
After taking the specified steps to correct the suspected problem, check that
the warning message and light go off.
■Warning buzzer ...