Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: 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

(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

GO TO STEP 6

OK

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

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.

A

CHECK FOR INTERMITTENT PROBLEMS

B

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

NEXT

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

A

END

B

(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.

NEXT

PERFORM DCM ACTIVATION

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

Click here

B

GO TO DIAGNOSTIC TROUBLE CODE CHART

A

(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.

NEXT

PERFORM DCM ACTIVATION