DESCRIPTION
The combination meter assembly receives the hazard warning signal switch on signal and controls the operation of the hazard warning lights.
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.
PROCEDURE
1. | READ VALUE USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine 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 Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
---|---|---|---|---|
Hazard Flasher Switch | Hazard warning signal switch signal | OFF or ON | OFF: Hazard warning signal switch off ON: Hazard warning signal switch on | - |
Tester Display |
---|
Hazard Flasher Switch |
OK:
Normal conditions listed above are displayed.
OK | ![]() | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
2. | INSPECT HAZARD WARNING SIGNAL SWITCH (RADIO RECEIVER ASSEMBLY) |
(a) Remove the hazard warning signal switch (radio receiver assembly).
Click here
(b) Inspect the hazard warning signal switch (radio receiver assembly).
Click here
NG | ![]() | REPLACE HAZARD WARNING SIGNAL SWITCH (RADIO RECEIVER ASSEMBLY) |
|
3. | CHECK HARNESS AND CONNECTOR (HAZARD WARNING SIGNAL SWITCH - COMBINATION METER ASSEMBLY AND BODY GROUND) |
(a) Disconnect the J11 combination meter assembly connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
J151-10 (HAZ) - J11-2 (HZSW) | Always | Below 1 Ω |
J151-10 (HAZ) or J11-2 (HZSW) - Body ground | Always | 10 kΩ or higher |
J148-1 (GND1) - Body ground | Always | Below 1 Ω |
OK | ![]() | REPLACE COMBINATION METER ASSEMBLY |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Lighting System (w/ Automatic Headlight Beam Level Control System): Turn Signal Light Circuit
DESCRIPTION The combination meter assembly controls the illumination and turning off of the rear turn signal lights. WIRING DIAGRAM PROCEDURE 1. CHECK OPERATION (REAR TURN SIGNAL LIGHTS) (a) Check the operation of the rear turn signal lights. Result Proceed to LH side rear turn si ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Rear Power Seat Control System(for Second Row): Folding Motor Circuit
DESCRIPTION HINT:
The rear power seat switch is a collective term for the rear power seat switch RH and the rear power seat switch LH.
The rear seatback frame sub-assembly is a collective term for the rear seatback frame sub-assembly RH and the rear seatback frame sub-assembly LH.
The fold s ...