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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    Inspection procedure
    1 Inspect terminal voltage(idl) Remove the cruise control ecu assy with connector still connected.  disconnect the ecm connector.  turn the ignition switch to on.  measure voltage between terminal 13 (idl) of cruise control ecu assy connector and body ground when the ...

    Purpose of the readiness tests
    The on–board diagnostic (obd ii) system is designed to monitor the performance of emission–related components and report any detected abnormalities in the form of diagnostic trouble codes (dtcs). Since the various components need to be monitored during different driving condition ...

    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 ...