Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Odo/Trip Switch Malfunction
DESCRIPTION
In this circuit, the combination meter assembly detects ODO/TRIP switch signals via a direct line.
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 (ODO/TRIP CHANGE SW) |
(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 |
|---|---|---|---|---|
| ODO/TRIP Change SW | ODO/TRIP switch | OFF or ON | OFF: Switch released ON: Switch pushed | - |
| Tester Display |
|---|
| ODO/TRIP Change SW |
OK:
ODO/TRIP switch condition displayed on the Techstream changes with the actual switch operation.
| OK | .gif) | REPLACE COMBINATION METER ASSEMBLY |
|
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| 2. | INSPECT TRIP SWITCH |
(a) Remove the trip switch.
Click here .gif)
(b) Inspect the trip switch.
Click here
| NG | | REPLACE TRIP SWITCH |
|
| 3. | CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - TRIP SWITCH) |
(a) Disconnect the J10 combination meter assembly connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| J10-4 (ODO) - J1-4 (A/B) | Always | Below 1 Ω |
| J10-26 (SW3) - J1-7 (E) | Always | Below 1 Ω |
| J10-4 (ODO) or J1-4 (A/B) - Body ground | Always | 10 kΩ or higher |
| J10-26 (SW3) or J1-7 (E) - Body ground | Always | 10 kΩ or higher |
| OK | | REPLACE COMBINATION METER ASSEMBLY |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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