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

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    Air outlets
    ■ Location of air outlets The air outlets and air volume changes according to the selected airflow mode. : Some models ■ Adjusting the position of and opening and closing the air outlets ► Front center outlets Direct air flow to the left or right, up or down. ► Fron ...

    Manual transmission / transaxle
    Service data Torque specification ...

    How to proceed with troubleshooting
    1 Vehicle brought to workshop 2 Customer problem analysis 3 Check and clear dtcs and freeze frame data 4 Problem symptom confirmation Symptom does not occur: go to step 5 Symptom occurs: go to step 6 5 Symptom simulation 6 Dtc check There is no output: go to step 7 There is outp ...