Toyota CH-R Service Manual: Dcm Power Source Circuit

Toyota CH-R Service Manual / Cellular Communication / Safety Connect System / Dcm Power Source Circuit

DESCRIPTION

This is the power source circuit to operate the DCM (Telematics Transceiver).

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following procedure.

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - BATTERY AND GROUND)

(a) Disconnect the F134 DCM (Telematics Transceiver) connector.

*a

Front view of wire harness connector

(to DCM (Telematics Transceiver))

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

F134-4 (E) - Body ground

Always

Below 1 Ω

(c) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Condition

Specified Condition

F134-1 (+B) - F134-4 (E)

Always

11 to 14 V

F134-7 (IG2) - F134-4 (E)

Ignition switch ON

11 to 14 V

F134-8 (ACC) - F134-4 (E)

Ignition switch ACC

11 to 14 V
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
    Manual (SOS) Switch Red Indicator Malfunction (B1570)
    DESCRIPTION This DTC is stored when the DCM (Telematics Transceiver) detects an open or short in the manual (SOS) switch red indicator circuit of the manual (SOS) switch. The manual (SOS) switch r ...

    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 turned to ON, the vehicle does not recognize the DCM (Telematics Transceiver). The DCM (Telematics Transce ...

    Other materials:

    Toyota CH-R Service Manual > Navigation System: How To Proceed With Troubleshooting
    CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the navigation system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT ...

    Toyota CH-R Service Manual > Power Window Control System: Fail-safe Chart
    FAIL-SAFE CHART PULSE FAILURE (a) If a pulse sensor built into the power window regulator motor assembly malfunctions, the following power window operations will be prohibited. Multiplex Network Master Switch Assembly, Power Window Regulator Switch Assembly, Rear Power Window Regulator Switch ...

    Toyota CH-R Owners Manual

    Toyota CH-R Service Manual

    © 2017-2022 Copyright www.tochr.net
    0.01