Lexus RX (RX 350L, RX450h) 2016-2022 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

(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

GO TO CAN COMMUNICATION SYSTEM

A

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

A

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

A

4.

CHECK DCM OPERATION HISTORY

(a) Check DCM Operation History.

Click here

NEXT

CONTACT SERVICE CENTER

    Warning Notification Function Malfunction
    PROCEDURE 1. CHECK PROBLEM SYMPTOM (WARNING NOTIFICATION FUNCTION) (a) Check the problem symptom. (1) Check the problem symptom of the warning notification function. Result Proceed to ...

    Brake
    ...

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    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

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