Toyota 4Runner: Red Indicator Remains On

Toyota 4Runner Service Manual / Audio / Visual / Telematics / Cellular Communication / Safety Connect System / 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 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

2.	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 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 ...

Unable To Connect To Call Center

DESCRIPTION This may occur when the intensity of the telephone radio frequency was very weak, PRL updates are required or the Safety Connect system has a malfunction, and a DTC is stored. PROCED ...

Other materials about Toyota 4Runner:

Installation
INSTALLATION PROCEDURE 1. INSTALL OCCUPANT CLASSIFICATION ECU (a) Attach the claw to install the occupant classification ECU. NOTICE: If the occupant classification ECU has been dropped, or there are any cracks, dents or other defects i ...

Pressure Sensor or Switch (C1254)
DESCRIPTION The accumulator pressure sensor is connected to the skid control ECU in the master cylinder solenoid. DTC Code DTC Detection Condition Trouble Area C1254 There is an accumulator pre ...