Toyota Corolla (E120): Communication system

Horn system

Location

Problem symptoms table

Problem symptoms table

Inspection

Inspection

1. Inspect low pitched horn assy

  1. Connect the positive (+) lead from the battery to the terminal and the negative (–) lead to the horn body, and check that the horn blows.

If the result is not as specified, replace the horn.

2. Inspect horn relay assy (marking: horn)

  1. Remove the horn relay from the engine room j/b.
  2.  inspect the horn relay continuity.

Standard:

If the result is not as specified, replace the relay.

If the result is not as specified, replace the relay.

    Share this page:

    Other materials:

    Driving assist systems
    To keep driving safety and performance, the following systems operate automatically in response to various driving situations. Be aware, however, that these systems are supplementary and should not be relied upon too heavily when operating the vehicle. Summary of the driving assist systems ■ ABS ( ...

    Data list/active test
    1. Data list Hint: using the data list displayed by the hand–held tester or the obd ii scan tool, you can read the value of the switches, sensors, actuators and so on without parts removal. Reading the data list as a first step of troubleshooting is one method to shorten diagnostic time. ...

    Circuit description
    When driving uphill under cruise control, in order to reduce the number of shifting due to on–off overdrive operation and to provide smooth driving, when down shifting in the electronically controlled transmission occurs, a signal to prevent upshift until the end of the uphill slope is sent ...