Lexus ES: Red Indicator Remains On
DESCRIPTION
This means that the DCM (telematics transceiver) has detected a malfunction in the safety connect system and stored a DTC or specific vehicle control history (RoB) Code.
PROCEDURE
| 1. | CHECK DTC |
(a) Turn the power switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the power switch on (IG) and wait for 10 seconds or more.
(d) Turn the Techstream on.
(e) Clear the DTCs.
Body Electrical > Telematics > Clear DTCs(f) Check for DTCs and check that no DTCs are output.
Body Electrical > Telematics > Trouble CodesOK:
No DTCs are output.
| NG | .gif) | GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
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| 2. | CHECK VEHICLE OPERATION HISTORY |
(a) Check for vehicle control history and note any codes that are output.
Click here .gif)
| Result | Proceed to |
|---|---|
| No vehicle control history is output | A |
| Any vehicle control history is output | B |
| B | | GO TO VEHICLE CONTROL HISTORY |
|
| 3. | REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (telematics transceiver) with a new one.
Click here
NOTICE:
- The power switch must be off.
- Do not exchange the DCM (telematics transceiver) with one from another vehicle.
| NEXT | | PERFORM DCM ACTIVATION |
READ NEXT:
System Diagram
SYSTEM DIAGRAM
Terminals Of Ecu
TERMINALS OF ECU Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition G128-1 (+B) - G128-20 (E) BR - W-B Power source (+B) Power switch off 11
Unable To Connect To Call Center
DESCRIPTION This may occur when the intensity of telephone radio frequency was very weak, or the safety connect system has a malfunction and a DTC is set. PROCEDURE 1. CHECK COMMUNICATION SERVIC
SEE MORE:
Reassembly
REASSEMBLY PROCEDURE 1. INSTALL HOOD STAY BRACKET LH Click here 2. INSTALL HOOD STAY BRACKET RH HINT: Use the same procedure as for the LH side. 3. INSTALL HOOD SUPPORT ASSEMBLY LH Click here 4. INSTALL HOOD SUPPORT ASSEMBLY RH HINT: Use the same procedure as for the LH side. 5. CONNECT WASHER H
AWD Warning Remains ON
DESCRIPTION The 4WD ECU assembly is connected to the combination meter assembly via CAN communication. If the 4WD ECU assembly stores any DTCs which are related to the dynamic torque control AWD system, the warning message is displayed on the multi-information display in the combination meter assemb
