DESCRIPTION
The combination meter assembly receives signals from this circuit to adjust the illumination of the combination meter assembly. The combination meter assembly sets the illumination level based on the user operation of the light control rheostat switch.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Click here
HINT:
w/ Automatic Headlight Beam Level Control System: Click here
w/o Automatic Headlight Beam Level Control System: Click here
PROCEDURE
| 1. | CHECK CAN COMMUNICATION SYSTEM |
(a) Check if CAN communication DTCs are output.
Click here
| Result | Proceed to |
|---|---|
| CAN communication DTCs are not output. | A |
| CAN communication DTCs are output. | B |
| B | | GO TO CAN COMMUNICATION SYSTEM |
|
| 2. | CHECK FOR DTC |
(a) Check if lighting system DTCs are output.
w/ Automatic Headlight Beam Level Control System: Click here
w/o Automatic Headlight Beam Level Control System: Click here
| Result | Proceed to |
|---|---|
| DTC B1244 is not output. | A |
| DTC B1244 is output. | B |
| B | | GO TO DTC B1244 |
|
| 3. | REPLACE COMBINATION METER ASSEMBLY |
(a) Replace the combination meter assembly with a new one.
Click here
OK:
The operation of the combination meter assembly returns to normal.
| OK | | END |
| NG | | REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
Operating Light Control Rheostat does not Change Light Brightness
Meter Illumination does not Dim at NightLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Power Mirror Control System (w/o Memory): Mirror Heater does not Operate with Rear Defogger Switch
DESCRIPTION When the mirror heater switch (rear window defogger switch) is operated, the mirror heater signal is sent to the air conditioning amplifier assembly and then to each outer mirror control ECU assembly via CAN communication. Based on this signal, the outer mirror control ECU assemblies ope ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Road Sign Assist System: Freeze Frame Data
FREEZE FRAME DATA DESCRIPTION (a) Whenever a road sign assist system DTC is stored, the forward recognition camera stores the current vehicle state (ECU and sensor information) as Freeze Frame Data. CHECK FREEZE FRAME DATA (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). ( ...