Toyota 4Runner: Green Indicator Remains Off

Toyota 4Runner Service Manual / Audio / Visual / Telematics / Cellular Communication / Safety Connect System / 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 off followed by the manual (SOS) switch green indicator illuminating and remaining on under normal operation. If neither red nor green indicators remain on, verification of the subscription should be performed.

PROCEDURE

1.	CONFIRM GREEN INDICATOR COMES ON

(a) After the ignition switch is turned to ON 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.

GO TO STEP 6

2.	CONFIRM SUBSCRIPTION MODE

(a) Confirm the indicator status 5 seconds after the ignition switch is turned to ON.

Result

Result	Proceed to
Green indicator remains on	A
Green indicator remains off	B
Red and green indicators both flashing (1 second intervals, for 20 seconds)	C

HINT:

If the 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.

CHECK FOR INTERMITTENT PROBLEMS

CHANGE SUBSCRIPTION MODE

3.	INPUT VIN WITH TECHSTREAM

(a) Turn the ignition switch off.

(b) Connect the Techstream to the DLC3.

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

4.	CONFIRM SUBSCRIPTION MODE

(a) Confirm the indicator status 5 seconds after the ignition switch is turned to ON.

Result

Result	Proceed to
Green indicator remains on	A
Green indicator remains off	B

END

5.	REPLACE DCM (TELEMATICS TRANSCEIVER)

(a) Replace the DCM (Telematics Transceiver) (See page ).

NOTICE:

The ignition switch must be off.
Do not replace the DCM (Telematics Transceiver) with one from another vehicle.

PERFORM DCM ACTIVATION

6.	CHECK FOR DTC

(a) Turn the ignition switch off.

(b) Connect the Techstream to the DLC3.

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

Result

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

GO TO DIAGNOSTIC TROUBLE CODE CHART

7.	REPLACE DCM (TELEMATICS TRANSCEIVER)

(a) Replace the DCM (Telematics Transceiver) (See page ).

NOTICE:

The ignition switch must be off.
Do not replace the DCM (Telematics Transceiver) with one from another vehicle.

PERFORM DCM ACTIVATION

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 Tran ...

Red Indicator Remains On

DESCRIPTION This means that the DCM (Telematics Transceiver) detects a malfunction in the Safety Connect and stores a DTC. PROCEDURE 1. CHECK FOR DTC (a) Turn the ...

Other materials about Toyota 4Runner:

Diagnosis System
DIAGNOSIS SYSTEM 1. BUS CHECK (a) Select "CAN Bus Check" from "System Select". 2. CHECK FOR INSTALLED SYSTEMS (ECUS AND SENSORS) THAT USE CAN COMMUNICATION (a) The systems (ECUs and sensors) that use CAN communication vary depending o ...

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of ...