How To Proceed With Troubleshooting

HINT:

• Use these procedures to troubleshoot the LEXUS Link system.
• *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP 
2. CHECK FOR DTC 
   1. Check for current DTC (see DTC CHECK/CLEAR  ).

      HINT:

      For the blinking pattern, refer to the DIAGNOSIS SYSTEM  and DTC CHECK/CLEAR  .

      Result 

      RESULT CHART
      
      

      Result	Proceed to
      Blinking each code*	A
      FAST1	B
      FAST2	C
      HINT: *: If blinking pattern 5-1 is output, check for DTCs using the Techstream.

      A:  Go to DIAGNOSTIC TROUBLE CODE CHART 

      B: END 

      C: Go to Next Step 

3. CHECK FOR DTC 
   1. Check for historic DTC (see DTC CHECK/CLEAR  ).
4. DIAGNOSTIC TROUBLE CODE CHART 

   HINT:

   Even if the malfunction that caused the DTC output during the historic DTC check is fixed, the FAST2 blinking pattern of the current DTC will remain.

5. CLEAR HISTORIC DTC 
   1. Clear historic DTC (see DTC CHECK/CLEAR  ).
6. CONFIRMATION TEST 
   1. Check for current DTCs and confirm that the FAST1 blinking pattern occurs.

      NEXT: END