SFI SYSTEM MIL Circuit
| DTC Code | DTC Name |
|---|---|
| MIL Circuit |
DESCRIPTION
The Malfunction Indicator Lamp (MIL) is used to indicate vehicle malfunctions detected by the ECM.
The MIL operation can be checked visually. When the ignition switch is turned to ON, the MIL should be illuminated and should then turn off after the engine is started. If the MIL remains illuminated or is not illuminated, conduct the following troubleshooting procedure using the GTS.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
PROCEDURE
CHECK THAT MIL IS ILLUMINATED
Perform troubleshooting in accordance with the table below.
Result
Result
Condition
Proceed to
MIL ON → MIL OFF
Ignition switch ON → engine is started
A
MIL does not illuminate
B
MIL remains ON
C
CHECK WHETHER DTC OUTPUT RECURS
Connect the GTS to the DLC3.
Turn the ignition switch to ON.
Turn the GTS on.
Enter the following menus: System Select / Health Check.
Check if any DTCs have been detected. Note down any DTCs.
Result
Result
Proceed to
DTCs are not output
A
DTCs are output
B
Tip:Check for detected DTCs output from other ECUs which relate to the MIL.
B REPAIR CIRCUIT INDICATED BY OUTPUT
PERFORM ACTIVE TEST USING GTS
Connect the GTS to the DLC3.
Turn the ignition switch to ON.
Turn the GTS on.
Enter the following menus: Body Electrical / Combination Meter / Active Test / Check Engine Indicator.
Body Electrical > Combination Meter > Active Test
Tester Display
Check Engine Indicator
Check the status of the MIL while performing the Active Test.
Result
Result
Proceed to
Changes
A
Does not change
B