How To Proceed With Troubleshooting

HINT:

• Use these procedures to troubleshoot the push-button start function.
• *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP 
2. INSPECT BATTERY VOLTAGE 

   Standard voltage: 

   11 to 14 V 

   If the voltage is below 11V, recharge or replace the battery before proceeding.

3. INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* 
   1. Using the Techstream, check if the CAN communication system is functioning normally (See HOW TO PROCEED WITH TROUBLESHOOTING ).

      Result 

      RESULT REFERENCE
      
      

      Result	Proceed to
      CAN DTC is not output	A
      CAN DTC is output	B

      B: GO TO DIAGNOSTIC TROUBLE CODE CHART  (See DIAGNOSTIC TROUBLE CODE CHART )

      A: Go to next step 

4. CHECK FOR DTC* 
   1. Check for DTCs and write down any stored DTCs (See DTC CHECK / CLEAR  ).
   2. Clear the DTCs.
   3. Check whether output of the same DTC(s), relevant to the SFI or smart key systems, recurs by reproducing the symptoms indicated by the DTC(s) written down in the first step above.

      Result 

      RESULT REFERENCE
      
      

      Result	Proceed to
      DTC output does not recur	A
      SFI system DTC output recurs	B
      Smart key system DTC output recurs	C

      B: GO TO SFI SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING )

      C: GO TO STEP  7

      A: Go to next step 

5. PROBLEM SYMPTOMS TABLE 

   Result 

   RESULT REFERENCE
   
   

   Result	Proceed to
   Fault is not listed in problem symptoms table	A
   Fault is listed in problem symptoms table	B

   B: GO TO STEP  7

   A: Go to next step 

6. OVERALL ANALYSIS AND TROUBLESHOOTING* 
   1. Terminals of ECU (See TERMINALS OF ECU  )
   2. Data List / Active Test (See DATA LIST / ACTIVE TEST  )
7. ADJUST, REPAIR OR REPLACE 
8. CONFIRMATION TEST 

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