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:
Displaying the device status
Select “Bluetooth* info” using .
● Displaying the device name
Select “Device Name” using .
● Displaying the device address
Select “Device Address” using .
*: Bluetooth is a registered trademark of Bluetooth SIG, Inc. ...
On–vehicle inspection
1. Inspect air–fuel ratio compensation system
Hint:
you can also check the system by choosing ”data monitor”,
then ”o2 sensor output voltage” on the monitor of the
hand–held tester.
Connect the hand–held tester to the terminal 23 (ox1a)
@ 7 (e1) and 21 (ox1b) @ 7 (e1) of ...
Stabilizer bar rear
Replacement
Hint: components:
1. Remove stabilizer bar rear
Remove the 2 bolts, nuts and stabilizer bar.
2. Install stabilizer bar rear
Install the 2 bolts, nuts and stabilizer bar.
Torque: 195 nvm (1,990 Kgf·cm, 144 ft·lbf)
Hint:
install the stabilizer bar so that the ...


