Inspection Procedure

NOTE: Be sure to read DESCRIPTION before performing the following procedures.

CHECK FOR DTC OF OTHER COMPONENTS

Check if the component shown by the sub-code is displayed in the check result of the other components.

Check if "01-DC" is output for the other components.
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 step 2.

B: GO TO step 4

A: GO TO next step.

IDENTIFY THE COMPONENT WHICH HAS STORED THIS CODE

Enter the diagnostic mode.

Fig 1: Identifying Service Check Mode And Detailed Information Mode
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Press the preset switch "3" to change to "Detailed Information Mode".
Identify the component which has stored this code.

Component Table:

COMPONENT CHART

Component	Physical address
Gateway ECU	1C6
Stereo component amplifier	440
Television display assembly	1B0
Radio receiver	190

HINT:

"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 "DTC CHECK / CLEAR " .

CHECK COMPONENT WHICH HAS STORED THIS CODE

Component Table:

COMPONENT CHART

Component	Proceed to
Gateway ECU	(See GATEWAY ECU COMMUNICATION ERROR )
Stereo component amplifier	(See STEREO COMPONENT AMPLIFIER COMMUNICATION ERROR )
Television display assembly	(See TELEVISION DISPLAY ASSEMBLY COMMUNICATION ERROR )
Radio receiver	(See RADIO RECEIVER COMMUNICATION ERROR )

NEXT: END

CLEAR DTC
1. Clear the DTCs (See DTC CHECK / CLEAR ).
  HINT:
  
  If "01-DC" is output for only one component, this may not indicate a malfunction.
RECHECK DTC
1. Recheck for DTCs and check if the same trouble occurs again.
  OK: Malfunction disappears.
NG: GO TO step 3

OK: END