Navigation System Display Does Not Dim When Light Control Switch Is Turned On

INSPECTION PROCEDURE

CHECK IMAGE QUALITY SETTING

CHECK IMAGE QUALITY SETTING

CHECK VEHICLE SIGNAL (OPERATION CHECK)

INSPECTION PROCEDURE

NOTICE:

After replacing the radio and display receiver assembly of vehicles subscribed to pay-type satellite radio broadcasts, XM radio ID registration is necessary (w/ SDARS System).

1. Display the "Display" screen.
   

2. Turn the light control switch to the tail or head position.
   

3. Check if "Day Mode" on the display adjustment screen is on.
   

   Result:

   Result	Proceed to
   "Day Mode" setting is on	A
   "Day Mode" setting is off	B

   Text in Illustration

   *a

   Example

1. Display the "Map Settings" screen.
   

2. Turn the light control switch to the tail position.
   

3. Check if "Day/Night Map" on the display adjustment screen is on.
   

   Result:

   Result	Proceed to
   "Day" is on	A
   "Night" is on	B
   "Automatic" is on

   Text in Illustration

   *a

   Example

1. Enter the "Vehicle Signal Check Mode" screen. Refer to Check Vehicle Signal in Operation Check (COROLLA_ZRE142 RM000003SKF0AEX.html)

   OK
   REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY (COROLLA_ZRE142 RM000002XAJ01EX.html)