Inspection Procedure

WARNING: This page is about a different car, the 2008 Lexus IS F. 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 "DISP" switch
2. Turn the light control switch to the TAIL position
3. Check if "DAY MODE" on the display is ON
  OK: "DAY MODE" is ON.
NG: Go to step 2

Fig 1: Diagnosis Display - Day Mode Screen
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: TURN "DAY MODE" SETTING OFF

CHECK VEHICLE SIGNAL (DISPLAY CHECK MODE)

Enter the "Display Check" mode (Vehicle Signal Check) (See OPERATION CHECK )
Cover the automatic light control sensor on the instrument panel with a cloth
Set the instrument panel light control to less than maximum (to activate the dimmer function that works when the light control switch is in the TAIL position)

Check that the display changes between DIM and BRIGHT according to the light control switch operation

LIGHT CONTROL SWITCH REFERENCE

Light Control Switch	Display
TAIL or HEAD	DIM
OFF	BRIGHT

Fig 2: Diagnosis Display Screen - Vehicle Signal Check Mode

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 (See PROBLEM SYMPTOMS TABLE )

OK: REPLACE MULTI-DISPLAY (See REMOVAL )