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:

Manual transaxle oil
Onvehicle inspection 1. Inspect transaxle oil Stop the vehicle on the level place.  remove the transmission filler plug and gasket.  check that the oil surface is within 5 mm (0.20 In.) From the lowest position of the inner surface of the transmission filler plug opening. ...

Circuit description
The seat belt buckle switch (lh) circuit consists of the airbag sensor assy center and front seat inner belt assy (lh). Dtc b0126/b0127/27 is recorded when a malfunction is detected in the seat belt buckle switch (lh) circuit. Wiring diagram ...

How to proceed with troubleshooting
Hint: carry out troubleshooting in accordance with the procedures on the following page. Here, only the basic procedures are shown. Details are provided in the diagnostics section, showing the most effective methods for each circuit. Confirm the troubleshooting procedures first for the releva ...

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