SFI SYSTEM(w/ Canister Pump Module) 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 is turned on (READY). If the MIL remains illuminated or is does not illuminate, conduct the following troubleshooting procedure.

PROCEDURE

1. Click here

   CHECK THAT MIL IS ILLUMINATED

   
   

   1. Perform troubleshooting in accordance with the table below.

      Result
      MIL Condition Proceed to Illuminates → Turns off Power switch on (IG) → Power switch on (READY) A Other than above - B

   
   
   • A

     CHECK FOR INTERMITTENT PROBLEMSClick here

   • BClick here
2. Click here

   CHECK COMMUNICATION BETWEEN GTS AND ECM

   
   

   1. Connect the GTS to the DLC3.

   2. Turn the power switch on (IG).

   3. Turn the GTS on.

   4. Check the communication between the GTS and ECM.

      Tip:

      Communication can be checked by using the Data List item Engine.

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

   
   
   • AClick here
   • B

     GO TO VC OUTPUT CIRCUITClick here

3. Click here

   CHECK WHETHER DTC OUTPUT RECURS

   
   

   1. Connect the GTS to the DLC3.

   2. Turn the power switch on (IG).

   3. Turn the GTS 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 DTCs are output B

      Tip:

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

   
   
   • AClick here
   • B

     REPAIR CIRCUIT INDICATED BY OUTPUT

4. Click here

   PERFORM ACTIVE TEST USING GTS

   
   

   1. Connect the GTS to the DLC3.

   2. Turn the power switch on (IG).

   3. Turn the GTS on.

   4. Enter the following menus: Body Electrical / Combination Meter / Active Test / Check Engine Warning*1 Multi Display Default Screen*2

      
      
      1. Body Electrical > Combination Meter > Active Test

         Tester Display
         Check Engine Warning

      2. 
         
         1. 
            
      3. 
         
         11. 
             
      
      
      1. Body Electrical > Combination Meter > Active Test

         Tester Display
         Multi Display Default Screen

      2. 
         
         1. 
            
      3. 
         
         11. 
             

      *1: for Sports type body

      *2: for Standard type body

   5. According to the display on the GTS, perform the Active Test and check the operation of the MIL.

      Result
      Result Proceed to Changes A Does not change B

   
   
   • A

     REPLACE ECMClick here

   • B

     REPLACE COMBINATION METER ASSEMBLYClick here