Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Remote Service Malfunction
PROCEDURE
| 1. | CHECK CAN COMMUNICATION SYSTEM |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Bus Check.
Click here .gif)
(e) Check that all ECUs and sensors that use CAN communication are connected.
| Result | Proceed to |
|---|---|
| There are no connection problems. | A |
| There is a connection problem. | B |
| B | .gif) | GO TO CAN COMMUNICATION SYSTEM |
|
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| 2. | CHECK DTC OUTPUT |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Health Check.
(e) Check for DTCs.
| Result | Proceed to |
|---|---|
| DTCs are not output. | A |
| DTCs are output. | B |
| B | | INSPECT EACH ECU SYSTEM |
|
| 3. | CHECK OPERATION OF EACH SYSTEM |
(a) Check that each system related to Lexus Enform Remote operates normally.
(1) Check power door lock control system
Click here
(2) Check smart access system with push-button start (for Entry Function)
Click here
(3) Check smart access system with push-button start (for Start Function)
Click here
(4) Check theft deterrent system
Click here
(5) Check meter/gauge system
Click here
(6) Check lighting system (EXT)
w/ Automatic Headlight Beam Level Control System: Click here
w/o Automatic Headlight Beam Level Control System: Click here
(7) Check air conditioning system
Click here
| Result | Proceed to |
|---|---|
| All of the systems related to Lexus Enform Remote operate normally. | A |
| Any system related to Lexus Enform Remote does not operate normally. | B |
| B | | GO TO ABNORMAL SYSTEM |
|
| 4. | CHECK DCM OPERATION HISTORY |
(a) Check DCM Operation History.
Click here
| NEXT | | CONTACT SERVICE CENTER |