TELEMATICS TRANSCEIVER
| *a | Connect to telephone antenna connector | - | - |
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| O150-1 (+B) - O150-4 (E) | P - BR | Battery | Always | 10.5 to 16 V |
| O150-2 (SPI+) - O150-4 (E) | BE - BR | Sound signal | Audio system playing | A waveform synchronized with sounds is output |
| O150-3 (SPI-) - O150-4 (E) | P - BR | Sound signal | Audio system playing | A waveform synchronized with sounds is output |
| O150-4 (E) - Body ground | BR - Body ground | Ground | Always | Below 1 V |
| O150-5 (SPO+) - O150-4 (E) | BE - BR | Sound signal | Emergency call mode | A waveform synchronized with the received voice is output |
| O150-6 (SPO-) - O150-4 (E) | P - BR | Sound signal | Emergency call mode | A waveform synchronized with the received voice is output |
| O150-7 (IG2) - O150-4 (E) | W - BR | Power source (IG) | Engine switch on (IG) | 10.5 to 16 V |
| Engine switch off | Below 1 V | |||
| O150-8 (ACC) - O150-4 (E) | SB - BR | Power source (ACC) | Engine switch on (ACC) | 10.5 to 16 V |
| Engine switch off | Below 1 V | |||
| O150-9 (SLED) - O150-4 (E) | SB - BR | Emergency call switch illumination power supply | Engine switch on (ACC) | 5 to 8 V |
| Engine switch off | Below 1 V | |||
| O150-11 (IND1) - O150-4 (E) | G - BR | Emergency call switch red indicator illumination signal | For 5 seconds after turning the engine switch on (ACC) | 1 to 8.5 V |
| Engine switch off | Below 1 V | |||
| O150-12 (IND2) - O150-4 (E) | P - BR | Emergency call switch green indicator illumination signal | For 5 seconds after turning the engine switch on (ACC) | 1 to 8.5 V |
| Engine switch off | Below 1 V | |||
| O150-15 (CANP) | BE | CAN communication signal | - | - |
| O150-16 (CANN) | B | CAN communication signal | - | - |
| O150-17 (MUTE) - O150-4 (E) | B - BR | MUTE Signal | Audio system playing | Above 3.5 V |
| Emergency call mode | Below 1 V | |||
| O150-18 (MCO+) - O150-4 (E) | W - BR | Microphone voice signal | Refer to "Microphone Check" |
- |
| O150-19 (MCO-) - O150-4 (E) | B - BR | Microphone voice signal | Refer to "Microphone Check" |
- |
| O150-24 (GSW) - O150-4 (E) | W - BR | Airbag deployment signal | Engine switch on (IG) | Pulse generation (Refer to waveform 1) |
| O150-26 (SIG-) - O150-4 (E) | V - BR | Ground | Always | Below 1 V |
| O150-27 (SIG1) - O150-26 (SIG-) | Y - V | Emergency call switch button condition signal | Emergency call switch not pressed | 1.3 to 1.9 V |
| Emergency call switch pressed | 0.5 to 0.8 V | |||
| O150-32 (SGND) - O150-4 (E) | Shield - BR | Shield ground | Always | Below 1 V |
| O150-33 (MCVD) - O150-4 (E) | R - BR | Telephone microphone assembly power supply | Engine switch on (ACC) | 4 to 6 V |
| Engine switch off | Below 1 V | |||
| O150-34 (MCI+) - O150-4 (E) | W - BR | Microphone voice signal | Refer to "Microphone Check" |
- |
| O150-35 (MCI-) - O150-4 (E) | B - BR | Microphone voice signal | Refer to "Microphone Check" |
- |
| O146-1-1 (USB-) | - | USB communication line | - | - |
| O146-1-2 (USB+) | - | USB communication line | - | - |
| O146-1-3 (USBS) - Body ground | Shield - Body ground | Shield ground | Always | Below 1 V |
| O146-2 (USBG) - Body ground | W - Body ground | Shield ground | Always | Below 1 V |
| O146-3 (VOT+) - O150-4 (E) | G - BR | Receive voice signal | Receiving a call while using the operator service | A waveform synchronized with the received voice is output |
| O146-4 (USBV) - O150-4 (E) | W - BR | Telephone microphone assembly power supply | Engine switch on (ACC) | 4.75 to 5.25 V |
| Engine switch off | Below 1 V | |||
| O146-5 (VOT-) - O150-4 (E) | B - BR | Receive voice signal | Receiving a call while using the operator service | A waveform synchronized with the received voice is output |
| O146-6 (VOR-) - O150-4 (E) | R - BR | Sent voice signal | Calling while using the operator service | A waveform synchronized with the sent voice is output |
| O146-7 (VOR+) - O150-4 (E) | W - BR | Sent voice signal | Calling while using the operator service | A waveform synchronized with the sent voice is output |
Reference (Oscilloscope waveform):
Waveform 1
| Item | Condition |
|---|---|
| Tester Connection | O150-24 (GSW) - O150-4 (E) |
| Tool setting | 5.0 V/DIV., 20 ms./DIV. |
| Vehicle condition | Engine switch on (IG) |
RADIO RECEIVER ASSEMBLY
NAVIGATION ECU