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:
Replacement
1. Remove clutch start switch assy
disconnect the clutch start switch assy connector.
remove the nut and clutch start switch assy from the clutch pedal
support.
2. Install clutch start switch assy
install the clutch start switch assy with the nut.
Torque: 15.68 Nv ...
Location
...
Listening to a USB memory device
Connecting a USB memory device enables you to enjoy music from the vehicle
speakers.
Touch “USB” on the audio source selection screen.
Connecting a USB memory device
Audio control screen
Pressing the “AUDIO” button displays the audio control screen from any screens
of the selected so ...


