DESCRIPTION
The combination meter assembly receives the turn signal switch information and controls the turn signal 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 |
---|---|---|---|---|
Turn Signal Switch (Right) | Turn signal switch (right) signal | OFF or ON | OFF: Turn signal switch not in right turn position ON: Turn signal switch in right turn position | - |
Turn Signal Switch (Left) | Turn signal switch (left) signal | OFF or ON | OFF: Turn signal switch not in left turn position ON: Turn signal switch in left turn position | - |
Turn Switch Signal (Full Turn) | Turn signal switch (full turn) signal | OFF or ON | OFF: Turn signal switch not in left or right turn position ON: Turn signal switch in left or right turn position | - |
Tester Display |
---|
Turn Signal Switch (Right) |
Turn Signal Switch (Left) |
Turn Switch Signal (Full Turn) |
OK:
Normal conditions listed above are displayed.
OK | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
2. | INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY |
(a) Remove the headlight dimmer switch assembly.
Click here
(b) Inspect the headlight dimmer switch assembly.
Click here
NG | REPLACE HEADLIGHT DIMMER SWITCH ASSEMBLY |
|
3. | CHECK HARNESS AND CONNECTOR (HEADLIGHT DIMMER SWITCH ASSEMBLY - 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 |
---|---|---|
J28-12 (TR) - J11-3 (ER) | Always | Below 1 Ω |
J28-11 (TL) - J11-4 (EL) | Always | Below 1 Ω |
J28-13 (CR) - J11-8 (SW) | Always | Below 1 Ω |
J28-12 (TR) or J11-3 (ER) - Body ground | Always | 10 kΩ or higher |
J28-11 (TL) or J11-4 (EL) - Body ground | Always | 10 kΩ or higher |
J28-13 (CR) or J11-8 (SW) - Body ground | Always | 10 kΩ or higher |
J28-15 (EL) - Body ground | Always | Below 1 Ω |
OK | REPLACE COMBINATION METER ASSEMBLY |
NG | REPAIR OR REPLACE HARNESS OR CONNECTOR |
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Lighting System (w/o Automatic Headlight Beam Level Control System): High Beam Headlight Circuit
DESCRIPTION The main body ECU (multiplex network body ECU) controls the high beam headlights. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedure.
Before replacing the main body ECU (multiplex network bo ...
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Automatic Transaxle System: Pressure Control Solenoid "G" Actuator Stuck Off (P28077F)
DESCRIPTION Based on signals from the transmission revolution sensors (NT, NC3 and NC), the actual gear is detected. The ECM compares the actual gear with the shift schedule in the ECM memory to detect mechanical malfunction of the shift solenoid valves, transmission valve body assembly and automati ...