Toyota Corolla (E120): How to proceed with troubleshooting

Hint

:

  • troubleshooting of the wireless door lock control system is based on the premise that the power door lock system is operating normally. Therefore, before troubleshooting the wireless door lock control system, first make certain that the the power door lock system is operating normally.
  • Use this procedure to troubleshoot the wireless door lock control system.

1 Vehicle brought to workshop

2 Customer problem analysis check and symptom check

2 Customer problem analysis check and symptom check

3 Problem symptoms table

3 Problem symptoms table

  1. If the fault is not listed on the problem symptoms table, proceed to a.
  2. if the fault is listed on the problem symptoms table, proceed to b.

4 Overall analysis and troubleshooting

4 Overall analysis and troubleshooting

  1. Terminals of ecu
  2.  on–vehicle inspection

5 Adjust, repair or replace

6 Confirmation test

6 Confirmation test

End

End

Customer problem analysis check

Location

Location

Terminals of ecu

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    Circuit description
    The intake air temperature (iat) sensor, mounted on the mass air flow (maf) sensor, monitors the intake air temperature. The iat sensor has a thermistor that varies its resistance depending on the temperature of the intake air. When the air temperature is low, the resistance in the thermisto ...

    Refueling
    Opening the fuel tank cap Perform the following steps to open the fuel tank cap: Before refueling the vehicle Turn the engine switch off and ensure that all the doors and windows are closed. Confirm the type of fuel. ■Fuel tank opening for unleaded gasoline To help prevent incorrect fueling, ...

    Registering a Bluetooth® audio player for the first time
    To use the Bluetooth® Audio, it is necessary to register an audio player with the system. Once the player has been registered, it is possible to use the Bluetooth® Audio. For details about registering a Bluetooth® device 1 Turn the Bluetooth® connection setting of your audio player on. 2 P ...