MIL Circuit [10/2022 - ]: Procedure

1. Perform troubleshooting in accordance with the table below.

   Result

   MIL	Condition	Proceed to
   Illuminates → Turns off	Ignition switch ON → engine is started	A
   Other than above	-	B

Result: 

A 

CHECK FOR INTERMITTENT PROBLEMS. Refer to  CHECK FOR INTERMITTENT PROBLEMS [08/2020 - ] 

Result: 

B 

See step  2

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Check the communication between the Techstream and ECM.

   HINT: 

   It can be checked using the "Engine" item of the Data List.

   Result

   Result	Proceed to
   Communication is possible	A
   Communication is not possible	B

Result: 

B 

GO TO VC OUTPUT CIRCUIT. Refer to  VC Output Circuit [08/2020 - ] 

Result: 

A 

See step  3

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Enter the following menus: System Select / Health Check.
5. 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

   HINT: 

   Check for detected DTCs output from other ECUs which relate to the MIL.

Result: 

B 

REPAIR CIRCUIT INDICATED BY OUTPUT 

Result: 

A 

See step  4

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Combination Meter / Active Test / Check Engine Warning.

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   Check Engine Warning

5. Check the status of the MIL while performing the Active Test.

   Result

   Result	Proceed to
   Changes	A
   Does not change	B

Result: 

A 

REPLACE ECM. Refer to  REMOVAL [10/2022 - 10/2023]  , or refer to  REMOVAL [10/2023 - ] 

Result: 

B 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [10/2022 - ]