Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Green And Red Indicators Do Not Come On When Ig-on

DESCRIPTION

If the red and green indicators fail to illuminate after the engine switch is turned on (IG), the vehicle does not recognize the DCM (Telematics Transceiver). The DCM (Telematics Transceiver) connectors may have been disconnected or the DCM (Telematics Transceiver) is malfunctioning.

PROCEDURE

(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) Perform "Health Check" using the Techstream and check that Telematics (Safety Connect) is listed on "Health Check Result".

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B

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

A

(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) Check current DTCs and history DTCs.

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A

CHECK FOR INTERMITTENT PROBLEMS

B

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