SFI SYSTEM(w/o EGR 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 power switch is turned on (IG), the MIL should be illuminated and should then turn off after the power switch on (READY). If the MIL remains illuminated or is not illuminated, conduct the following troubleshooting procedure using the GTS.
WIRING DIAGRAM
PROCEDURE
CHECK THAT MIL IS ILLUMINATED
Perform troubleshooting in accordance with the table below.
Result
MIL
Condition
Proceed to
Illuminates → Turns off
Power switch on (IG) → engine is started
A
Other than above
-
B
CHECK COMMUNICATION BETWEEN GTS AND ECM
Connect the GTS to the DLC3.
Turn the power switch on (IG).
Turn the GTS on.
Check the communication between the GTS and ECM.
Tip:It can be checked using the "Engine and ECT" item of the Data List.
Result
Result
Proceed to
Communication is possible
A
Communication is not possible
B
CHECK WHETHER DTC OUTPUT RECURS
Connect the GTS to the DLC3.
Turn the power switch on (IG).
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
Any DTCs is 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 power switch on (IG).
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