Inspection Procedure

WARNING: This page is about a different car, the 2007 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.

CHECK IMAGE QUALITY SETTING
1. Enter the display adjustment screen by pressing the "DISPLAY" switch.
  
  Fig 1: Pressing Display Switch
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Turn the light control switch to TAIL.
3. Check if "DAY MODE" on the display adjustment is ON.
  OK:
  
  "DAY MODE" is ON.
OK: TURN FORCED "DAY MODE" SETTING OFF

NG: Go to next step

CHECK VEHICLE SIGNAL (DISPLAY CHECK MODE)

Enter the Display Check mode's Vehicle Signal Check Mode (see DISPLAY CHECK MODE ).

Fig 2: Diagnostic Tool Display - Vehicle Signal Check Mode
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Turn the light control switch to TAIL, ON and OFF.

LIGHT CONTROL SWITCH REFERENCE CHART

Light Control Switch	Display
TAIL or ON	ON
OFF	OFF

HINT:

The display is updated once per second. It is normal for the display to lag behind the actual switch operation.

NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

OK: REPLACE MULTI-DISPLAY