Toyota Corolla (E120) 2002–2008 Repair Manual / Introduction / Repair instruction / Precaution / For vehicles equipped with mobile communication system

Toyota Corolla (E120): For vehicles equipped with mobile communication system

  1. Install an antenna as far as possible away from the ecu and sensors of the vehicle’s electronic systems.
  2.  install an antenna feeder at least 20 cm (7.87 In.) Away from the ecu and sensors of the vehicle’s electronic systems.

    For details of the ecu and sensors locations, refer to the section on the applicable component.

  3.  prevent the antenna feeder from getting entangled with the other wirings, and keep the antenna feeder separately from the other wirings as much as possible.
  4.  check that the antenna and feeder are correctly adjusted.
  5.  do not install any powerful mobile communication system.
    Share this page:

    Other materials:

    How to proceed with troubleshooting
    1 Vehicle brought to workshop 2 Customer problem analysis 3 Check and clear dtc 4 Problem symptom confirmation Symptom does not occur (go to step 5) 5 Symptom simulation 6 Dtc check 7 Dtc chart 8 Problem symptoms table 9 Circuit inspection 10 Confirmation test End ...

    Using the voice command system (Multimedia system)
    Voice command system The voice command system enables the hands-free system to be operated using voice commands. Operations of the voice command system can be performed by selecting the menu corresponding to each function on the screen. Even if any menu is selected, commands displayed on all ...

    Inspection procedure
    1 Check d squib circuit(airbag sensor assy center – horn button assy) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag sensor assy center and the horn button assy. release the airbag ...