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:
Precaution
1. Notices when checking
power door lock/unlock function:
the wireless remote control function operates only when the following 3
conditions are met.
No key is inserted into the ignition key cylinder.
All the doors are closed. However, doors can be unlocked even wh ...
Disabling the TRAC system
If the vehicle gets stuck in mud, dirt or snow, the TRAC system may reduce power
from the engine to the wheels. Pressing
to turn the system off may make it
easier for you to rock the vehicle in order to free it.
To turn the TRAC system off, quickly press and release
.
The “TRAC OFF” ind ...
If your vehicle needs to be towed
If towing is necessary, we
recommend having your
vehicle towed by your Toyota
dealer or commercial
towing service, using a
wheel-lift type truck or flatbed
truck.
Use a safety chain system
for all towing, and abide by
all state/provincial and local
laws.
WARNING
Observe the following precautions.
...


