Toyota Avalon 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 power 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

1.

HEALTH CHECK

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

Click here

Result

Proceed to

"Telematics" is displayed on the Techstream

A

"Telematics" is not displayed on the Techstream

B

B

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

A

2.

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) Check current DTCs and history DTCs.

Click here

Result

Proceed to

DTCs are not output

A

DTCs are output

B

A

CHECK FOR INTERMITTENT PROBLEMS

B

GO TO DIAGNOSTIC TROUBLE CODE CHART

    Green And Red Indicators Blink Simultaneously

    Green Indicator Remains Off

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