Toyota Corolla (E120): Diagnostics

Preparation

Sst

09816–30010 09816–30010 Oil pressure switch socket Sfi system
09843–18040 09843–18040 Diagnosis check wire no.2 Sfi system supplemental restraint system

Recomended tools

09082–00040 09082–00040 Toyota electrical tester Sfi system supplemental restraint system electronic controlled automatic transaxle [ect] combination meter wireless door lock control system
(09083–00150) (09083–00150) Test lead set Sfi system abs with ebd system supplemental restraint system electronic controlled automatic transaxle [ect] audio system cruise control system combination meter wireless door lock control system power door lock control system
(09083–00150) (09083–00150) Test lead set Sfi system abs with ebd system supplemental restraint system electronic controlled automatic transaxle [ect] audio system cruise control system combination meter wireless door lock control system power door lock control system

Engine control system

Preparation

Equipment

Ohmmeter  
Radiator cup tester  
Torque wrench  
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    Circuit description
    The o/d main switch (transmission control switch) is a momentary type switch. When pressing the o/d main switch, the o/d off indicator light lights up and the ecm prohibits shifting into o/d, and when pressing it once again, the o/d off indicator light goes off and the ecm allows shifting in ...

    Replacement
    Hint: components: 1. Precaution 2. Disconnect battery negative terminal 3. Remove seat track upper rail cover rh 4. Remove seat track upper rail cover lh 5. Remove front seat assy lh 6. Remove seat position air bag sensor Disconnect the connector of the seat position airbag sensor. ...

    On–vehicle inspection
    1. Inspect turn signal flasher relay circuit Disconnect the connector from the turn signal flasher relay and inspect the connector on wire harness side as shown in the chart. Standard: Connect the connector to the turn signal flasher and inspect the wire harness side connector ...