Lexus ES manuals

Lexus ES: Terminals Of Ecu

TERMINALS OF ECU

DCM (TELEMATICS TRANSCEIVER)

*a

to Telephone Antenna (Sub)

*b

to GPS Antenna

*c

to Telephone Antenna (Main)

-

-

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

G130-1 (USB-)

-

USB communication line

-

-

G130-2 (USB+)

-

USB communication line

-

-

G130-3 (USBS) - Body ground

Shielded - Body ground

Shield ground

Always

Below 1 V

G128-31 (USBG) - Body ground

G - Body ground

DCM (Telematics Transceiver) power supply ground signal

Always

Below 1 V

G128-17 (VOT+) - G128-20 (E)

B - W-B

Sent voice signal

Calling while using the operator service

A waveform synchronized with the voice signals received voice is output

G128-15 (USBV) - G128-20 (E)

B - W-B

DCM (Telematics Transceiver) power supply signal

Engine switch off

Below 1 V

Engine switch on (IG)

4.5 to 5.25 V

G128-33 (VOT-) - G128-20 (E)

W - W-B

Sent voice signal

Calling while using the operator service

A waveform synchronized with the received voice is output

G128-34 (VOR-) - G128-20 (E)

G - W-B

Receive voice signal

Receiving a call while using the operator service

A waveform synchronized with the sent voice is output

G128-18 (VOR+) - G128-20 (E)

R - W-B

Receive voice signal

Receiving a call while using the operator service

A waveform synchronized with the sent voice is output

RADIO RECEIVER ASSEMBLY

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

G1-15 (VOT+) - G5-1 (GND1)

R - W-B

Sent voice signal

Destination assist service in use and vehicle occupant speaking to operator

A waveform synchronized with the sent voice is output

G1-10 (USBV) - G5-1 (GND1)

B - W-B

DCM (Telematics transceiver) power supply

Engine switch on (ACC)

4.75 to 5.25 V

Engine switch off

A waveform synchronized with sound is output

G1-11 (USBG) - G5-1 (GND1)

G - W-B

DCM (Telematics Transceiver) power supply ground signal

Always

Below 1 V

G1-12 (SGND) - Body ground

Shielded - Body ground

Shield ground

Always

Below 1 V

G1-13 (VOR+) - G5-1 (GND1)

B - W-B

Receive voice signal

Destination assist service in use and operator speaking to vehicle occupant

A waveform synchronized with the received voice is output

G1-14 (VOR-) - G5-1 (GND1)

W - W-B

Receive voice signal

Destination assist service in use and operator speaking to vehicle occupant

A waveform synchronized with the received voice is output

G1-16 (VOT-) - G5-1 (GND1)

G - W-B

Sent voice signal

Destination assist service in use and vehicle occupant speaking to operator

A waveform synchronized with the sent voice is output

NAVIGATION ECU (w/ Navigation System)

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

G108-2 (USB-)

-

USB communication line

-

-

G108-1 (USB+)

-

USB communication line

-

-

G108-3 (USBS) - Body ground

Shielded - Body ground

Shield ground

Always

Below 1 V

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