Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Mil circuit / Circuit description
Toyota Corolla (E120): Circuit description
The ignition switch provides circuit power and the ecm provides the circuit ground that illuminates the mil.
Mil operation is checked visually: it should be illuminated when the ignition is first turned on. If the mil is off all of the time or on all of the time, use the procedure below to troubleshoot it. The mil is used to indicate the ecm’s detection of a vehicle malfunction.
Follow this procedure using the hand–held tester or an obd ii scan tool to determine the cause of the problem and to check the mil.
Wiring diagram

Other materials:
Front door belt moulding assy lh
Replacement
Hint:
the installation procedures are the removal procedures in reverse
order.
Use the same procedures for the rh side and lh side.
1. Remove front armrest assy lh
2. Remove power window regulator master switch assy (w/ power window)
3. Remove front armrest base panel up ...
Registering a Bluetooth® phone for the first time
To use the hands-free system, it is necessary to register a Bluetooth® phone
with the system.
Once the phone has been registered, it is possible to use the hands-free system.
For details about registering a Bluetooth® device
1 Turn the Bluetooth® connection setting of your cellular phone on. ...
Instrument panel/meter
Preparation
Sst
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Theft deterrent & door lock
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