Toyota Corolla (E170) 2014–2019 Owners Manual

Toyota Corolla (E170) 2014–2019 Owners Manual

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How to use this manual
1. Body panel replacement in this manual 2. Symbols 3. Illustration of weld point symbols ...

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). Hint: ”a/f control” is the act ...

Circuit description
When the ignition switch is turned on, battery positive voltage is applied to the coilwhich closes the contacts of the efi main relay (marked: efi) and supplies power to terminal +b of the ecm. This signal causes current to flow to the coil, closing the contacts of the efi relay and supplyin ...