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:
On-vehicle Inspection
ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT HINT: Refer to Problem Symptoms Table. Click here PROCEDURE 1. REMOVE FRONT WHEEL OPENING EXTENSION PAD RH Click here 2. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH Click here 3. REMOVE NO. 1 ENGINE UNDER COVER Click here 4. REMOVE NO. 2 ENGIN
Panel Switches do not Function
CAUTION / NOTICE / HINT NOTICE:
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.
Click here
When replacing the radio receiver assembly, alw
