Inspection Procedure

1. Check if the component shown by sub-code is displayed in the check result of the other components.
   1. Check if "01-DC" is output for the other components.
   2. If "01-DC" is output for any other components, check if the same physical address is displayed.

      Result 

      RESULT CHART
      
      

      Result	Proceed to
      "01-DC" is output and the same physical address is displayed	A
      "01-DC" is not output or the same physical address is not displayed	B

      HINT.

      For the list of the components shown by sub-codes, refer to the table in the next step.

   B: Go to step  4

   A: Go to Next Step 

1. Enter the diagnostic mode.
   Fig 1: DTC - Flow Chart

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Press the preset switch "2" to change to "Detailed Information Mode".
3. Identify the component which has stored this code

   Component table 

   COMPONENT WITH PHYSICAL ADDRESS
   
   

   Component	Physical address
   Stereo component amplifier	440
   Television display assembly*	1F6
   Radio receiver	190
   HINT. *: w/Rear seat entertainment system "440 (Stereo component amplifier)" is the component which has stored this code in the example shown in the illustration For details of the DTC display, refer to the "DTC CHECK/CLEAR" (see DTC CHECK/CLEAR ).

1. Select the component which has stored this code.

   Component table 

   COMPONENT CHART
   
   

   Component	Proceed to
   Stereo component amplifier	Stereo component amplifier communication error
   Television display assembly*	Television display assembly communication error
   Radio receiver	Radio receiver communication error
   HINT: *. w/Rear seat entertainment system

   NEXT: END 

1. Clear the DTC (see DIAGNOSTIC TROUBLE CODE CHART ).

   HINT:

   If "01-DC" is output for only one component, this may not indicate a malfunction.

1. Recheck the DTC and check if the same trouble code occurs again.

   OK: Malfunction disappears. 

NG: Go to step  3

OK: END