Toyota Tacoma manuals

Toyota Corolla Repair Manual: Inspection procedure

1 Check operation(stop lamp swtich assy)

  1. 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

2 Input signal check

  1. See input signal check on page 05745.
  2.  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)

3 Inspect terminal voltage(stp)

  1. Remove the cruise control ecu assy with connectors still connected.
  2.  turn the ignition switch to on.
  3.  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

4 Check harness and connector(between cruise control ecu assy and stop lamp switch assy)

  1. 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

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. ...

Electronically controlled transmission communication circuit
...

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 subassy 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 ...

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