Inspection Procedure

WARNING: This page is about a different car, the 2008 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.

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.

HINT:

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

Result

RESULT CHART

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

B: Go to step 4

A: Go to next step

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 5

OK: USE SIMULATION METHOD TO CHECK (See HOW TO PROCEED WITH TROUBLESHOOTING )

IDENTIFY COMPONENT WHICH HAS STORED THIS CODE

Enter the diagnostic mode.

Fig 1: Service Check And Detailed Information Mode Flow Diagram
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 REFERENCE

Component	Physical address
Stereo component amplifier	440
"Bluetooth" handsfree module	19D
Radio receiver	190
Television display*	1B0
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 "DTC Check/Clear" (See DTC CHECK/CLEAR ).

CHECK COMPONENT WHICH HAS STORED THIS CODE

Select the component which has stored this code.

Component Table

COMPONENT REFERENCE

Component	Proceed to
Stereo component amplifier	Stereo component amplifier communication error (See STEREO COMPONENT AMPLIFIER COMMUNICATION ERROR )
"Bluetooth" handsfree module	"Bluetooth" handsfree module communication error (See BLUETOOTH HANDSFREE MODULE COMMUNICATION ERROR )
Radio receiver	Radio receiver communication error (See RADIO RECEIVER COMMUNICATION ERROR )
Television display*	Television display assembly communication error (See TELEVISION DISPLAY ASSEMBLY COMMUNICATION ERROR )
HINT: *: w/ Rear Seat Entertainment System

NEXT: END