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:

    Circuit description
    In the diagram below, when the engine is cranked, current flows from terminal st2 of the ignition switch to the starter relay coil and also current flows to terminal sta of the ecm (sta signal). When the sta signal and ne signal are input to the ecm, tr is turned on, current flows to the c ...

    Registering ID codes (vehicles with a tire pressure warning system)
    The tire pressure warning valve and transmitter is equipped with a unique ID code. When new tire pressure warning valves and transmitters are installed, new ID codes must be registered in the tire pressure warning computer. ID codes can be registered by yourself, but depending on the driving con ...

    Tape is tangled due to incorrect tape speed or auto–reverse malfunction
    Inspection procedure 1 Check for any foreign object Check for any foreign object. Check that no foreign material and troubles are detected in the radio receiver assembly cassette tape player. Standard: no foreign material and trouble detected. 2 Replace cassette tape with an ...