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

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.

(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

B

GO TO DIAGNOSTIC TROUBLE CODE CHART

A

2.

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.
NEXT

PERFORM DCM ACTIVATION

    Problem Symptoms Table

    System Description

    See More:

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    DESCRIPTION The DCM (telematics transceiver) sends a mute signal to the radio and display receiver assembly. The radio and display receiver assembly controls the volume according to the mute signal from the DCM (telematics transceiver). WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Depending on the ...

    Toyota Avalon (XX50) 2019-2022 Owners Manual

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