Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual: Green Indicator Remains Off

Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual / Audio & Visual & Telematics / Cellular Communication / Safety Connect System / Green Indicator Remains Off

DESCRIPTION

After engine 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 engine 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

GO TO STEP 6

OK

2.

CONFIRM SUBSCRIPTION MODE

(a) Confirm the indicator status 5 seconds after the engine switch is turned on (IG).

Result

Proceed to

Green indicator remains on

A

Green indicator remains off

B
A

USE SIMULATION METHOD TO CHECK

B

3.

INPUT VIN WITH TECHSTREAM

(a) Turn the engine switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the engine 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

NEXT

4.

CONFIRM SUBSCRIPTION MODE

(a) Confirm the indicator status at 5 seconds after the engine switch is turned on (IG).

Result

Proceed to

Green indicator remains on

A

Green indicator remains off

B
A

END
B

5.

REPLACE DCM (TELEMATICS TRANSCEIVER)

(a) Replace the DCM (telematics transceiver).

Click here

NOTICE:

  • The engine 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 engine switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the engine 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 Codes

OK:

No DTCs are output.

NG

GO TO DIAGNOSTIC TROUBLE CODE CHART

OK

7.

REPLACE DCM (TELEMATICS TRANSCEIVER)

(a) Replace the DCM (telematics transceiver).

Click here

NOTICE:

  • The engine switch must be off.
  • Do not exchange the DCM (telematics transceiver) with one from another vehicle.
NEXT

PERFORM DCM ACTIVATION

    Backup Battery Internal Electronic Failure (B15CC49)
    DESCRIPTION This DTC is set when the DCM (telematics transceiver) detects one of the following: The mobilephone battery voltage drops or the mobilephone battery malfunctions. The mobilephone batt ...

    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. ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual > Automatic Transaxle System: Lost Communication with ECM/PCM "A" Missing Message (U010087)
    DESCRIPTION The engine control unit and transmission control unit are located inside the ECM. The engine control unit intercommunicates with the transmission control unit using CAN communication. If there is a problem in this intercommunication, the ECM stores this DTC. DTC No. Detection Item ...

    Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual > Theft Deterrent System: Engine Hood Courtesy Switch Circuit
    DESCRIPTION The engine hood courtesy switch is built into the hood lock assembly. This switch turns on when the engine hood is closed and turns off when the engine hood is opened. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Before replacing the main body ECU (multiplex network body ECU), refer t ...

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

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

    © 2022 Copyright www.lexusrx.net
    0.0198