Inspection Procedure

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 adjustment is ON.
  OK: "Day Mode" is ON.
  
  NG: Go to step 2
  
  Fig 1: Locating Day Mode On Display Adjustment Screen
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  OK: TURN "DAY MODE" SETTING OFF
CHECK VEHICLE SIGNAL (DISPLAY CHECK MODE)
1. Enter the "Display Check" mode and select "Vehicle Signal Check" (See OPERATION CHECK ).

Check that the display changes between ON and OFF according to the light control switch operation.

LIGHT CONTROL SWITCH CONDITION CHART

Light Control Switch Condition	Display Condition
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.

Fig 2: Identifying Vehicle Signal Check Mode Screen

NG: GO TO "Illumination Circuit" (See ILLUMINATION CIRCUIT )

OK: REPLACE NAVIGATION RECEIVER ASSEMBLY (See REMOVAL )