Lexus ES: Green Indicator Remains Off
DESCRIPTION
After power switch on (IG), the DCM (telematics transceiver) will enter into self check mode. The manual (SOS) switch red indicator will illuminate for 2 seconds and turn off followed by the manual (SOS) switch green indicator illuminating and remaining on under normal operation. If neither the red nor green indicators remain on, verification of the subscription should be performed.
PROCEDURE
| 1. | CONFIRM GREEN INDICATOR COMES ON |
(a) After the power switch is turned on (IG) and the manual (SOS) switch red indicator has come on for 2 seconds, confirm that the manual (SOS) switch green indicator comes on for 2 seconds.
OK:
Green indicator comes on.
| NG | .gif) | GO TO STEP 6 |
|
.gif)
| 2. | CONFIRM SUBSCRIPTION MODE |
(a) Confirm the indicator status 5 seconds after the power switch is turned on (IG).
| Result | Proceed to |
|---|---|
| Green indicator remains on | A |
| Green indicator remains off | B |
| A | | USE SIMULATION METHOD TO CHECK |
|
| 3. | INPUT VIN WITH TECHSTREAM |
(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.
(d) Turn the Techstream on.
(e) Choose "Telematics" from the System Selection Menu, and then click "Utility".
(f) Click "VIN Synchronization" on the Utility Selection Menu.
Click here .gif)
|
| 4. | CONFIRM SUBSCRIPTION MODE |
(a) Confirm the indicator status at 5 seconds after the power switch is turned on (IG).
| Result | Proceed to |
|---|---|
| Green indicator remains on | A |
| Green indicator remains off | B |
| A | | END |
|
| 5. | REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (telematics transceiver).
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 |
| 6. | 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 | | GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
| 7. | REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (telematics transceiver).
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:
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the safety connect system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT
Initialization
INITIALIZATION RESET BACK-UP BATTERY CONDITION HINT: If the back-up battery (mobilephone battery) has been replaced, it is necessary to perform the Reset Backup Battery Condition procedure. (a) Connec
Parts Location
PARTS LOCATION ILLUSTRATION *1 INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - DCM FUSE - ECU-IG2 NO. 3 FUSE *2 DLC3 *3 AIRBAG ECU ASSEMBLY *4 DCM (TELEMATICS TRANSCEIVER) - MOBILEPHONE
SEE MORE:
How To Proceed With Troubleshooting
HOW TO PROCEED WITH TROUBLESHOOTING
OPERATION FLOW
HINT:
Perform troubleshooting in accordance with the procedure below. The following
is an outline of basic troubleshooting procedure. Confirm the troubleshooting procedure
for the circuit you are working on before beginning troubleshooting.
Inspection
INSPECTION CAUTION / NOTICE / HINT HINT:
Use the same procedure for bank 1 and bank 2.
The following procedure is for bank 2.
PROCEDURE 1. INSPECT CYLINDER HEAD LH (a) Using a precision straightedge and feeler gauge, check the surfaces which contact the cylinder block sub-assembly and manifo
