Inspection Procedure

WARNING: This page is about a different car, the 2007 Lexus GX 470. 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

FOR DTC OF OTHER COMPONENTS

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

B: Go to step 4

A: Go to Next Step

IDENTIFY COMPONENT WHICH HAS STORED THIS CODE

Enter the diagnostic mode.
Press the "LAN Mon" switch to change to "LAN Monitor" mode.

Identify the component which has stored this code.

Component table

COMPONENT WHICH HAS STORED THIS CODE

Display	Component
AUDIO H/U	Radio receiver
DSP-AMP	Stereo component amplifier
NAVI	Navigation ECU
EMV	Multi-display
Rr-TV	Television display
DVD-CH	Disc player changer
CAMERA	Television camera ECU
G/W	Gateway ECU

HINT:

"NAVI" is the component which has stored this code.

Fig 1: Identifying Tester Display - LAN Monitor

CHECK COMPONENT WHICH HAS STORED THIS CODE

Select the component which has stored this code.

Component table

COMPONENT WHICH HAS STORED THIS CODE

Component	Proceed to
Radio receiver (AUDIO H/U)	RADIO RECEIVER COMMUNICATION ERROR
Stereo component amplifier (DSP-AMP)	STEREO COMPONENT AMPLIFIER COMMUNICATION ERROR
Navigation ECU (NAVI)	NAVIGATION ECU COMMUNICATION ERROR
Multi-display (EMV)	MULTI-DISPLAY COMMUNICATION ERROR
Television display (Rr-TV)	TELEVISION DISPLAY COMMUNICATION ERROR
Disc player changer (DVD-CH)	DISC PLAYER CHANGER COMMUNICATION ERROR
Television camera ECU (CAMERA)	TELEVISION CAMERA ECU 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