DESCRIPTION The combination meter assembly receives signals through 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 in the trip switch. WIRING DIAGRAM  CAUTION / NOTICE / HINT NOTICE: When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored. HINT:
PROCEDURE
(a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Combination Meter / Data List. (e) Read the Data List according to the display on the Techstream. Body Electrical > Combination Meter > Data List
OK: Light control rheostat up or down switch (trip switch) condition displayed on the Techstream changes with the actual switch operation.
(a) Remove the trip switch. Click here (b) Inspect the trip switch. Click here
(a) Disconnect the G15 combination meter assembly connector. (b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Lighting System(for Gasoline Model Without Cornering Light): Operation Check
OPERATION CHECK AUTOMATIC LIGHT CONTROL SYSTEM OPERATION CHECK NOTICE: Make sure that the customize settings are set to default when performing the automatic light control system operation check. Click here (a) Turn the engine switch on (IG). (b) Turn the light control switch to the AUTO position. ( ...
