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 |
---|---|---|---|---|
J168-1 (USB-) | - | USB communication line | - | - |
J168-2 (USB+) | - | USB communication line | - | - |
J168-3 (USBS) - Body ground | Shielded - Body ground | Shield ground | Always | Below 1 V |
J157-31 (USBG) - Body ground | G - Body ground | DCM (Telematics Transceiver) power supply ground signal | Always | Below 1 V |
J157-17 (VOT+) - J157-20 (E) | P - W-B | Sent voice signal | Vehicle occupant speaking to operator | A waveform synchronized with the voice signals received voice is output |
J157-15 (USBV) - J157-20 (E) | L - W-B | DCM (Telematics Transceiver) power supply signal | Engine switch off | Below 1 V |
Engine switch on (IG) | 4.5 to 5.25 V | |||
J157-33 (VOT-) - J157-20 (E) | SB - W-B | Sent voice signal | Vehicle occupant speaking to operator | A waveform synchronized with the received voice is output |
J157-34 (VOR-) - J157-20 (E) | LG - W-B | Receive voice signal | Operator speaking to vehicle occupant | A waveform synchronized with the sent voice is output |
J157-18 (VOR+) - J157-20 (E) | BR - W-B | Receive voice signal | Operator speaking to vehicle occupant | A waveform synchronized with the sent voice is output |
RADIO RECEIVER ASSEMBLY
Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
---|---|---|---|---|
J149-15 (VOT+) - J148-1 (GND1) | BR - 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 |
J149-10 (USBV) - J148-1 (GND1) | L - 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 | |||
J149-11 (USBG) - J148-1 (GND1) | G - W-B | DCM (Telematics Transceiver) power supply ground signal | Always | Below 1 V |
J149-12 (SGND) - Body ground | Shielded - Body ground | Shield ground | Always | Below 1 V |
J149-13 (VOR+) - J148-1 (GND1) | P - 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 |
J149-14 (VOR-) - J148-1 (GND1) | SB - 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 |
J149-16 (VOT-) - J148-1 (GND1) | LG - 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 |
---|---|---|---|---|
J164-2 (USB-) | - | USB communication line | - | - |
J164-1 (USB+) | - | USB communication line | - | - |
J164-3 (USBS) - Body ground | Shielded - Body ground | Shield ground | Always | Below 1 V |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Rear Blower Motor: Removal
REMOVAL PROCEDURE 1. REMOVE REAR NO. 2 SEAT ASSEMBLY Click here 2. REMOVE REAR FLOOR FINISH PLATE Click here 3. REMOVE REAR DOOR SCUFF PLATE RH HINT: Use the same procedure as for the LH side. Click here 4. REMOVE REAR DOOR INSIDE SCUFF PLATE RH HINT: Use the same procedure as for the LH sid ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Audio And Visual System (for 8 Inch Display): Vehicle Speed Signal Circuit between Stereo Component Amplifier and Combination Meter
DESCRIPTION The stereo component amplifier assembly receives a vehicle speed signal from the combination meter assembly to control the ASL function. HINT:
A voltage of 12 V or 5 V is output from each ECU and then input to the combination meter assembly. The signal is changed to a pulse signal at ...