Inspection Procedure

WARNING: This page is about a different car, the 2008 Lexus LS 600hL. 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.
Fig 1: Locating DAY MODE
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: Go to step 2

OK: TURN "DAY MODE" SETTING OFF

CHECK VEHICLE SIGNAL (DISPLAY VEHICLE SIGNAL)

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

Fig 2: Displaying Screen - Vehicle Signal Check Mode
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

DISPLAY REFERENCE CHART

Light Control Switch Condition	Display Condition
TAIL or HEAD	DIM
OFF	BRIGHT

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 DISPLAY AND NAVIGATION ASSEMBLY (See REMOVAL )