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Toyota Corolla Repair Manual: For vehicles equipped with mobile communication system

Toyota Corolla Repair Manual / Introduction / Repair instruction / Precaution / For vehicles equipped with mobile communication system

  1. Install an antenna as far as possible away from the ecu and sensors of the vehicles electronic systems.
  2.  install an antenna feeder at least 20 cm (7.87 In.) Away from the ecu and sensors of the vehicles 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.
Handling of hose clamps
Before removing the hose, check the depth of the inserting portion and the clamp position in order to restore it surely.  change a deformed or dented clamp for a new one.  in ...

For vehicles equipped with catalytic converter
Caution: if large amount of unburned fuel flows into the converter, it may cause overheating and a fire hazard. To prevent this, observe the following precautions. Use only unleaded gasoline ...

Other materials:

General information
Electronic control devices are installed in the vehicle. Electronic control units process data they receive from vehicle sensors, self-generate or exchange with each other. Some control units are necessary for the vehicle to function safely or provide assistance during driving, for instance driver ...

Cassette tape cannot be ejected
Wiring diagram Wiring diagram 1 Check if radio autosearch functions properly Check if the radio autosearch function properly.  Perform the autoresearch of the radio and check that the operation is normal. Standard: malfunction disappear. 2 Press eject and check oper ...

Inspection procedure
1 Check relay (marking: starter cut) Inspect the relay continuity, as shown in the illustration and table. Standard: 2 Check tvip ecu Disconnect the tvip ecu connector.  turn the ignition switch position to the start.  measure the voltage between the termina ...

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