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moved you from Computers to TV ( A 2007 MADE TV)
now maybe get answers, yah think? sure.
I WILL ASSUME CLICKER HAS FRESH BATTERIES AND BRIGHTNESS MOVED MAX AND ANSWER.
ALL MODES OF VIDEO DIM,
some old TVs do DIM with age, for sure OLD CCFL BACKLAMPED
TV OF ANY KIND,
THE MANUAL WARNS
LAMP(S) INSIDE THIS PRODUCT CONTAIN MERCURY
THAT MEANS CCFL TUBES. INSIDE AND ALL DIM WITH AGE AND MOST THIS OLD ARE EVEN DEAD.
CLUE #2 IS IT HAS A CCFL INVERTER BOARD,
THIS IS NOT A LED BACKLAMPED TV AT ALL./
ALL ARE DOOMED. (20K HOURS USED AND DIM IT GOES)_ OR WORSE
THERE IS YOUR ANSWER AND SAME THING ALL TV.
2000 TO 2010 YEARS WITH ROTTEN CCFL TUBES.
BUY LED TV NOT CCFL. OR OLED
High Beam Headlamp Operation
Battery voltage is applied at all times to the coil and switch sides of the HIGH BEAM PCB Relay located in the underhood fuse block. When the headlamp dimmer switch is placed in the high beam position, the headlamp dimmer switch signal circuit to the BCM is pulled low signaling the headlamp high beam request. In response to this signal, the BCM applies ground through the high beam relay control circuit energizing the high beam relay. With the high beam relay energized, battery voltage is applied through the switch side of the relay, the left and right high beam fuses, and the high beam supply voltage circuits illuminating the high beam headlamps. At the same time the BCM sends a GMLAN serial data message to the instrument panel cluster (IPC) requesting the IPC to illuminate the high beam indicator. Ground for the left headlamp is provided at G101 and the right headlamp at G100.
There are two types of diagnostic trouble codes (DTCs), current and historic. The Check Engine Lamp will not indicate the existence of historic trouble codes.
1 Current 53 ECM flash error
2 Historic 53 ECM flash error
3 Current 54 ECM EEPROM error
4 Historic 54 ECM EEPROM error
5 Current 63 ECM serial data low
6 Current 63 ECM serial data open/high
7 Current 63 TSSM serial data low
8 Current 63 TSSM serial data open/high
9 Current 61 Loss of TSM/TSSM serial data
10 Current 14 Loss of all ECM serial data (state of health)10 24 Loss of vehicle speed10 33 Loss of vehicle inhibit motion10 43 Loss of powertrain security status
11 Current 33 System relay contacts open
12 Current 33 System relay coil high/shorted
13 Current 33 System relay coil open/low
14 Current 33 System relay contacts closed
15 Current 99 Incorrect password
16 Current 99 Missing password
17 Current 41 CKP sensor intermittent
18 Current 41 CKP sensor synch error
19 Current 11 TP sensor open/low
20 Current 11 TP sensor high
21 Current 12 MAP sensor open/low
22 Current 12 MAP sensor high
23 Current 14 ET sensor voltage low
24 Current 14 ET sensor open/high
25 Current 15 IAT sensor voltage low
26 Current 15 IAT sensor open/high
27 Current 24 Front ignition coil open/low
28 Current 25 Rear ignition coil open/low
29 Current 24 Front ignition coil high/shorted
30 Current 25 Rear ignition coil high/shorted
31 Current 24 Front cylinder combustion intermittent
32 Current 25 Rear cylinder combustion intermittent
33 Current 23 Front injector open/low
34 Current 32 Rear injector open/low
35 Current 23 Front injector high
36 Current 32 Rear injector high
37 Current 16 Battery voltage low
38 Current 16 Battery voltage high
39 Current 43 VSS sensor low
40 Current 43 VSS sensor high
41 Current N/A (no speedo code for this) Check engine light open/low NO CHECK ENGINE LAMP AT KEY ON or CHECK ENGINE LAMP ON CONTINUOUSLY
42 Current N/A (no speedo code for this) Check engine light high NO CHECK ENGINE LAMP AT KEY ON
43 Current 35 Tachometer low
44 Current 35 Tachometer high
45 Current 25 Rear cylinder no combustion
46 Current 24 Front cylinder no combustion
47 Current 34 Loss of idle speed control IDLE AIR CONTROL
48 Current 35 Accelerometer fault
49 Current 34 Starter output high
50 Current 25 Ignition enable output high
51 Current 21 Left turn output fault
52 Current 22 Right turn output fault
53 Current 11 Battery voltage high
54 Current 31 Alarm output low
55 Current 32 Alarm output high
56 Current 41 Ignition switch open/low
57 Historic 63 ECM serial data low
58 Historic 63 ECM serial data open/high
59 Historic 63 TSSM serial data low
60 Historic 63 TSSM serial data open/high
61 Historic 61 Loss of TSM/TSSM serial data
62 Historic 14 Loss of all ECM serial data (state of health)
63 Historic 33 System relay contacts open
64 Historic 33 System relay coil high/shorted
65 Historic 33 System relay coil open/low
66 Historic 33 System relay contacts closed
67 Historic 99 Incorrect password
68 Historic 99 Missing password
69 Historic 41 CKP sensor intermittent
70 Historic 41 CKP sensor synch error
71 Historic 11 TP sensor open/low
72 Historic 11 TP sensor high
73 Historic 12 MAP sensor open/low
74 Historic 12 MAP sensor high
75 Historic 14 ET sensor voltage low
76 Historic 14 ET sensor open/high
77 Historic 15 IAT sensor voltage low
78 Historic 15 IAT sensor open/high
79 Historic 24 Front ignition coil open/low
80 Historic 25 Rear ignition coil open/low
81 Historic 24 Front ignition coil high/shorted
82 Historic 25 Rear ignition coil high/shorted
83 Historic 24 Front cylinder combustion intermittent
Hi names Ruii like to help you with your problem. Try Pressing the little blue "Fn" button next to the left "Ctrl" button. Then whilst still holding down the blue "Fn" button, tap the left and right arrow keys accordingly to increase/decrease the brightness.
This "Fn" button is how you use all of the other blue icons which are secondary functions of other buttons (i.e. to turn the number pad on you need to press "Fn" and F11 and repeat the process to turn it off.
It's the mode switch contactors for the high setting just overview the wiring of the high cool or high fan contactors if it's not there check all leads for the high fan or high cool circuitry.
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