Display Does Not Dim When Light Control Switch Is Turned On

NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: Display does not Dim when Light Control Switch is Turned ON; 2013 MY Corolla [07/2012 -]
- Display does not Dim when Light Control Switch is Turned ON

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).

PROCEDURE

1. CHECK IMAGE QUALITY SETTING

(a) Display the "Display" screen.





(b) Turn the light control switch to the tail or head position.

(c) Check if "Day Mode" on the display adjustment screen is on.

Result:





Text in Illustration





B -- CHECK IMAGE QUALITY SETTING

A -- TURN "Day Mode" SETTING OFF

2. CHECK IMAGE QUALITY SETTING

(a) Display the "Map Settings" screen.





(b) Turn the light control switch to the tail position.

(c) Check if "Day/Night Map" on the display adjustment screen is on.

Result:





Text in Illustration





B -- CHECK VEHICLE SIGNAL (OPERATION CHECK)

A -- TURN DAY/NIGHT MAP TO "Night" OR "Automatic"

3. CHECK VEHICLE SIGNAL (OPERATION CHECK)

(a) Enter the "Vehicle Signal Check Mode" screen. Refer to Check Vehicle Signal in Operation Check Operation Check.





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

OK:





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 SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Problem Symptoms Table

OK -- REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Removal