Screen Backlight Does Not Dim/Remains Dim

Screen backlight does not dim/remains dim

NOTE: Check the vehicle battery condition first.

1. Turn the ignition switch ON (II).
2. Turn the combination light switch ON and OFF.

Does the screen backlight dim with the combination light switch in the ON position?

YES - Operation is normal at this time.

NO - Go to step 3.

3. Check the backlight settings in the display set up (refer to the Owner's Manual for more information).

Are the display settings set properly?

YES - Go to step 4.

NO - Adjust the display settings and recheck the functions.

4. Turn the ignition switch OFF.
5. Check that No.10 (15 A) fuse in the passenger's under-dash fuse/relay box.

Is the fuse OK?

YES - Go to step 6.

NO - Replace the fuse and recheck the symptom.

6. Check that the rear controller screen and audio unit are properly connected.

Are the connections OK?

YES - Go to step 7.

NO - Reconnect the connector, and recheck the function.

7. Disconnect the rear controller and screen 26P connector.
8. Turn the ignition switch ON (II).
9. Measure the voltage between the rear controller and screen 26P connector No.12 terminal and body ground. Operate the combination light switch on and off to see if the voltage changes.






Is there battery voltage with the combination light switch ON?

YES - Go to step 10.

NO - Repair open in the wire(s) between the No.10 (15 A) fuse in the passenger's under-dash fuse/relay box and the rear controller and screen.

10. While opening the combination light switch, measure the voltage between the rear controller and screen 26P connector terminal No. 26 and body ground.






Is there less than 0.1 V?

YES - Repair open in the wire between rear controller and screen 26P connector terminal No. 26 and body ground (G901).

NO - Replace the rear controller and screen.