Toyota Avalon Service & Repair Manual: Dcm Power Source Circuit

Toyota Avalon Service & Repair Manual / Audio, Visual, Telematics / Cellular Communication / Safety Connect System(for Gasoline Model) / 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 G9 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

G9-4 (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

G9-1 (+B) - G9-4 (E)

Always

11 to 14 V

G9-7 (IG2) - G9-4 (E)

Engine switch on (IG)

11 to 14 V

G9-8 (ACC) - G9-4 (E)

Engine switch on (ACC)

11 to 14 V
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
    Dcm Operation History

    Diagnosis System

    See More:

    Toyota Avalon Service & Repair Manual > Shift Lever: Inspection
    INSPECTION PROCEDURE 1. INSPECT SHIFT LOCK CONTROL ECU HINT: If the results of the following inspections are as specified but a malfunction has occurred, replace the shift lock control unit assembly. (a) Inspect wire harness: (1) Disconnect the shift lock control ECU connector. (2) Measure the volta ...

    Toyota Avalon Owners Manual

    Toyota Avalon Service & Repair Manual

    © 2021 Copyright www.tavalon.net
    0.0382