Toyota Corolla Repair Manual: 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
Circuit description
When the brake pedal is depressed, the stop lamp switch assy sends a signal
to the cruise control ecu assy.
When the cruise control ecu assy receives this signal, it cancels the cruise
control. ...
Other materials:
Symptom confirmation and diagnostic trouble code
Hint:
the diagnostic system in corolla has various functions. The first
function is the diagnostic trouble
code (dtc) check, in which a malfunction in the signal circuits to the ecu
is stored in code form in
the ecu memory. Another function is the input signal check, which checks if
...
Trip information
■ Switching the display
Items displayed can be switched by pressing the “DISP” switch.
■ Odometer
Displays the total distance the vehicle has been driven.
Except vehicles with a manual transmission: Press and hold the “DISP” switch
to change the display to the Eco Driving Indicat ...
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
show ...