Lexus ES: 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 Toyota Entune Remote Connect operates normally.
(1) Check power door lock control system
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(2) Check smart key system (for Entry Function)
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(3) Check smart key system (for Start Function)
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(4) Check theft deterrent system
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(5) Check meter/gauge system
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(6) Check lighting system (EXT)
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(7) Check air conditioning system
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| Result | Proceed to |
|---|---|
| All of the systems related to Toyota Entune Remote Connect operate normally. | A |
| Any system related to Toyota Entune Remote Connect does not operate normally. | B |
| B | | GO TO ABNORMAL SYSTEM |
|
| 4. | CHECK DCM OPERATION HISTORY |
(a) Check DCM Operation History.
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| NEXT | | CONTACT SERVICE CENTER |
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System Description
SYSTEM DESCRIPTION OUTLINE (a) Lexus Enform Remote, which enables the user to check the vehicle status and operate the vehicle from a remote location, is used. (b) Lexus Enform Remote is available by
System Diagram
SYSTEM DIAGRAM
Terminals Of Ecu
TERMINALS OF ECU HINT: Check from the rear of the connector while it is connected to the components. DCM (TELEMATICS TRANSCEIVER) Terminal No. (Symbol) Wiring Color Terminal Description Cond
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Adjustment
ADJUSTMENT CAUTION / NOTICE / HINT *a Centering Bolt *b Standard Bolt HINT:
Centering bolts are used to mount the door hinge to the door. The door cannot be adjusted with the centering bolts installed. Substitute the centering bolts with standard bolts when making adjustments.
Sp
HVAC Control Module to Hybrid Powertrain Control Module Invalid Serial Data Received (U042481)
DESCRIPTION If the hybrid vehicle control ECU receives an invalid compressor control request from the air conditioning amplifier assembly via CAN communication, it will store this DTC. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate U042481 HVAC Co
