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 |
READ NEXT:
Confirm Cellular Phone Functionality
PROCEDURE 1. CHECK CUSTOMER'S CELLULAR PHONE COMPATIBILITY (a) Check if the cellular phone is compatible (Refer to http://www.lexus.com/MobileLink/). Result Proceed to Cellular phone
Confirm Vehicle Headunit Functionality
PROCEDURE 1. CHECK CUSTOMER'S CELLULAR PHONE COMPATIBILITY (a) Check if the cellular phone is compatible (Refer to http://www.lexus.com/MobileLink/). Result Proceed to Cellular phone
SEE MORE:
Components
COMPONENTS ILLUSTRATION *1 LUGGAGE COMPARTMENT FLOOR MAT *2 SPARE WHEEL COVER TRAY ILLUSTRATION *1 REAR FLOOR FINISH PLATE *2 LUGGAGE HOLD BELT STRIKER ASSEMBLY ILLUSTRATION *1 LUGGAGE COMPARTMENT DOOR COVER *2 LUGGAGE LOCK CONTROL CABLE PLATE *3 SWITCH BEZE
Precaution
PRECAUTION CAUTION: While the auxiliary battery is connected, even if the power switch is off, the brake control system activates when the brake pedal is depressed or the door courtesy switch is turned on. Therefore during servicing of the brake system components, do not depress the brake pedal or o
