Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Mil circuit / Inspection procedure
Toyota Corolla (E120): Inspection procedure
Hint
: troubleshoot each trouble symptom in accordance with the chart below.
1 Clear dtc
- Connect the hand–held tester or the obd ii scan tool to the dlc 3.
- turn the ignition switch on and push the hand–held tester or the obd ii scan tool main switch on.
- read the dtc .
- clear the dtc .
- check that mil is not illuminated.
Standard: mil is not illuminated
2 Check harness and connector(check for short in wire harness)
- Disconnect the e6 ecm connector.
- turn the ignition switch on.
- check that mil is not illuminated.
Standard: mil is not illuminated
- reconnect the ecm connector.
Check and repair harness and connector (combination meter – ecm)
3 Check that mil is illuminated
- Check that mil is illuminated when turning the ignition switch on.
Standard: mil is illuminated
4 Inspect combination meter assy (mil circuit)
- See the combination meter troubleshooting on page
Check and repair harness and connector (combination meter – ecm)
Other materials:
Inspection procedure
1 Check harness and connector(transmission control switch –
body ground)
Disconnect the transmission control switch connector of
shift lever assy.
measure the resistance according to the value(s) in the
table below.
Standard:
2 Inspect transmission control switch
M ...
Circuit description
Shifting from 1st to o/d is performed in combination with on and off of the
shift solenoid valve s1 and s2
controlled by ecm. If an open or short circuit occurs in either of the solenoid
valves, the ecm controls the
remaining normal solenoid valve to allow the vehicle to be operated smoothly
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Disposal
Hint:
when scrapping vehicle equipped with an srs or disposing of a horn button assy,
always first deploy the
airbag in accordance with the procedure described below. If any abnormality
occurs in the airbag deployment,
contact the service dept. Of toyota motor sales, u.S.A., Inc.
Caution:
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