Toyota Avalon Service & Repair Manual: Terminals Of Ecu

TERMINALS OF ECU

HINT:

Check from the rear of the connector while it is connected to the components.

DCM (TELEMATICS TRANSCEIVER)

*a

to Telephone Antenna (Sub)

*b

to Telephone Antenna (Main)

*c

to GPS Antenna

-

-

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

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

B - W-B

Power source (+B)

Always

11 to 14 V

G9-4 (E) - Body ground

W-B - Body ground

Ground

Always

Below 1 V

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

LG - W-B

Power source (IG)

Engine switch on (IG)

11 to 14 V

Engine switch off

Below 1 V

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

B- W-B

Power source (ACC)

Engine switch on (ACC)

11 to 14 V

Engine switch off

Below 1 V

G9-15 (CANP)

R

CAN communication signal

-

-

G9-16 (CANN)

W

CAN communication signal

-

-

G9-29 (SLPD) - G9-4 (E)

L - W-B

Steering lock bar position signal

Steering locked

11 to 14 V

Steering unlocked

Below 1.5 V

G11-1 (USB-)

GR

USB communication line

-

-

G11-2 (USB+)

GR

USB communication line

-

-

G11-6 (USBS) - Body ground

Shielded - Body ground

Shield ground

Always

Below 1 Ω

G11-3 (USBG) - Body ground

GR - Body ground

DCM (Telematics Transceiver) power supply ground signal

Always

Below 1 Ω

CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

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    System Diagram

    Lost Communication with Body Control Module "B" (U0142,U0155,U0163)

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