Toyota Corolla (E120): Circuit description

Hint:

Hint

: there is a case that hand–held tester cannot be used when ecu is abnormal.

Wiring diagram

Inspection procedure

    Share this page:

    Other materials:

    Problem symptoms table
    Hint: if a normal code is displayed during the dtc check but the trouble still occurs, check the circuits for each symptom in the order given in the charts on the following pages and proceed to the page given for troubleshooting. The matrix chart is divided into 3 chapters. If the instruc ...

    Listening to an iPod
    Connecting an iPod enables you to enjoy music from the vehicle speakers. Select “iPod” on the audio source selection screen. When the iPod connected to the system includes iPod video, the system can only output the sound by selecting the browse screen. Connecting an iPod Audio control scre ...

    Inspection procedure
    Hint: if different dtcs related to different systems that have terminal e2 as the ground terminal are output simultaneously, terminal e2 may be open. Read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malf ...