Lexus ES: Terminals Of Ecu
TERMINALS OF ECU
DCM (TELEMATICS TRANSCEIVER)
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| *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 | Power switch off | Below 1 V |
| Power 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
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| 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 | Power switch on (ACC) | 4.75 to 5.25 V |
| Power 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)
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| 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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Manual(sos)switch
ComponentsCOMPONENTS ILLUSTRATION *1 MANUAL (SOS) SWITCH (MAP LIGHT SUB-ASSEMBLY) *2 MAP LIGHT ASSEMBLY *3 ROOF CONSOLE BOX INNER COVER - - ● Non-reusable part - -
Acn Call End
ACN CALL END ACN CALL END This function terminates the ACN (Automatic Collision Notification) to the telematics provider. After a collision in which the DCM receives "Collision Detection Signal", the
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Precaution
PRECAUTION CAUTION:
Never perform work on fuel system components near any possible ignition sources.
Vaporized fuel could ignite, resulting in a serious accident.
Do not perform work on fuel system components without first disconnecting the cable from the negative (-) battery terminal.
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Parts Location
PARTS LOCATION ILLUSTRATION *1 DEF RELAY *2 REAR WINDOW DEFOGGER WIRE *3 NO. 1 ENGINE ROOM RELAY BLOCK AND NO. 1 JUNCTION BLOCK ASSEMBLY - DEF FUSE *4 BACK WINDOW GLASS ILLUSTRATION *1 REAR WINDOW DEFOGGER SWITCH (AIR CONDITIONING CONTROL ASSEMBLY) *2 DLC3 *3 A
