Toyota Corolla (E120): Diagnostic trouble code chart

Pre–check

Terminals of ecu

Other materials:

Circuit description
The fuel trim is related to the feedback compensation value, not to the basic injection time. The fuel trim includes the short–term fuel trim and the long–term fuel trim. The short–term fuel trim is the short–term fuel compensation used to maintain the air–fuel ratio at stoichiomet ...

Inspection procedure
1 Check p squib circuit(airbag sensor assy center – instrument panel passenger airbag assy) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag sensor assy center and the instrument panel ...

Replacement
Hint: components: 1. Remove radiator grille sub–assy 2. Remove front bumper cover 3. Remove lh headlamp assy Remove the 3 bolts.  pull out the headlight assy lh forward, then disconnect the bracket of body side. Release the claws and disconnect the connectors as sh ...