Toyota 4Runner: Green And Red Indicators Do Not Come On When Ig-on

Toyota 4Runner Service Manual / Audio / Visual / Telematics / Cellular Communication / Safety Connect System / Green And Red Indicators Do Not Come On When Ig-on

DESCRIPTION

If the red and green indicators fail to illuminate after the ignition switch is turned to ON, 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 ignition switch off.

(b) Connect the Techstream to the DLC3.

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

Result

Result	Proceed to
"Telematics" displayed on Techstream	A
"Telematics" not displayed on Techstream	B

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

2.	CHECK FOR DTC

(a) Turn the ignition switch off.

(b) Connect the Techstream to the DLC3.

(d) Check for current DTCs and history DTCs (See page ).

Result

Result	Proceed to
DTC is not output	A
DTC is output	B

CHECK FOR INTERMITTENT PROBLEMS

GO TO DIAGNOSTIC TROUBLE CODE CHART

Green And Red Indicators Blink Simultaneously

DESCRIPTION After the ignition switch is turned to ON, the DCM (Telematics Transceiver) will enter a self check mode. The manual (SOS) switch red indicator will illuminate for 2 seconds and turn ...

Green Indicator Remains Off

DESCRIPTION After the ignition switch is turned to ON, the DCM (Telematics Transceiver) will enter a self check mode. The manual (SOS) switch red indicator will illuminate for 2 seconds and turn ...

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