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:

    Diagnostic trouble code chart
    If a dtc is displayed during the dtc check, check the circuit listed in the table below and proceed to the page given. * :● ... Mil light up ...

    How to proceed with troubleshooting
    1 Vehicle brought to workshop 2 Customer problem analysis 3 Check and clear dtc 4 Problem symptom confirmation 5 Symptom simulation 6 Dtc check 7 Dtc chart 8 Problem symptoms table 9 Circuit inspection 10 Identification of problem 11 Parts inspection 12 Repair 1 ...

    Inspection procedure
    Hint: hand–held tester only: narrowing down the trouble area is possible by performing ”a/f control” active test (heated oxygen sensor or other trouble areas can be distinguished). Perform active test using hand–held tester (a/f control). Perform active test using the hand–held ...