Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Green Indicator Remains Off

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Audio, Visual, Telematics / Cellular Communication / Safety Connect System(for Hv Model) / Green Indicator Remains Off

DESCRIPTION

After turning the 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.

GO TO STEP 6

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

HINT:

If red and green indicators are flashing, the system is in shipping mode, so the system should be changed to either active mode or deactive mode.

CHECK FOR INTERMITTENT PROBLEMS

3.	INPUT VIN WITH TECHSTREAM

(a) Turn the power switch off.

(b) Connect the Techstream to the DLC3.

(d) Turn the Techstream on.

(e) Select "Vehicle Inquiry" and input the VIN.

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

END

5.	REPLACE DCM (TELEMATICS TRANSCEIVER)

(a) Replace the DCM (Telematics Transceiver).

Click here

NOTICE:

The power switch must be off.
Do not swap the DCM (Telematics Transceiver) with one from another vehicle.

PERFORM DCM ACTIVATION

CHECK DTC

(a) Turn the power switch off.

(b) Connect the Techstream to the DLC3.

(d) Turn the Techstream on.

(e) Perform "Health Check" and check for current DTCs.

Click here

Result	Proceed to
DTCs are not output	A
DTCs are output	B

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 swap the DCM (Telematics Transceiver) with one from another vehicle.

PERFORM DCM ACTIVATION

Green And Red Indicators Do Not Come On When Ig-on

Health Check

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