Tech Tips
Check from the rear of the connector while it is connected to the components.
TELEMATICS TRANSCEIVER
| *a | Connect to telephone antenna connector | - | - |
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| H101-1 (+B) - H101-4 (E) | Y - W-B | Power source (+B) | Always | 11 to 14 V |
| H101-2 (SPI+) - H101-4 (E) | B - W-B | Sound signal | Audio system playing | A waveform synchronized with sounds is output |
| H101-3 (SPI-) - H101-4 (E) | Y - W-B | Sound signal | Audio system playing | A waveform synchronized with sounds is output |
| H101-4 (E) - Body ground | W-B - Body ground | Ground | Always | Below 1 V |
| H101-5 (SPO+) - H101-4 (E) | B - W-B | Sound signal | Emergency call mode | A waveform synchronized with the received voice is output |
| H101-6 (SPO-) - H101-4 (E) | Y - W-B | Sound signal | Emergency call mode | A waveform synchronized with the received voice is output |
| H101-7 (IG2) - H101-4 (E) | LG - W-B | Power source (IG) | Engine switch on (IG) | 11 to 14 V |
| Engine switch off | Below 1 V | |||
| H101-8 (ACC) - H101-4 (E) | GR - W-B | Power source (ACC) | Engine switch on (ACC) | 11 to 14 V |
| Engine switch off | Below 1 V | |||
| H101-11 (IND1) - H101-4 (E) | R - W-B | 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 | |||
| H101-12 (IND2) - H101-4 (E) | BR - W-B | 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 | |||
| H101-13 (BBI-) - H101-4 (E) | W - W-B | Mayday battery power supply | - | - |
| H101-15 (CANP) | BE | CAN communication signal | - | - |
| H101-16 (CANN) | W | CAN communication signal | - | - |
| H101-17 (MUTE) - H101-4 (E) | B - W-B | Mute Signal | Audio system playing | Above 3.5 V |
| Emergency call mode | Below 1 V | |||
| H101-18 (MCO+) - H101-4 (E) | W - W-B | Microphone voice signal | Refer to "Microphone Check" Click here |
- |
| H101-19 (MCO-) - H101-4 (E) | B - W-B | Microphone voice signal | Refer to "Microphone Check" Click here |
- |
| H101-20 (CTR1) - H101-4 (E) | V - W-B | Mayday battery control line | - | - |
| H101-21 (CTR2) - H101-4 (E) | L - W-B | Mayday battery control line | - | - |
| H101-24 (GSW) - H101-4 (E) | B - W-B | Airbag deployment signal | Engine switch on (IG) | Pulse generation (Refer to waveform 1) |
| H101-26 (SIG-) - H101-4 (E) | L - W-B | Ground | Always | Below 1 V |
| H101-27 (SIG1) - H101-26 (SIG-) | LG - L | 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 | |||
| H101-30 (BBI+) - H101-4 (E) | B - W-B | Mayday battery power supply | - | - |
| H101-32 (SGND) - H101-4 (E) | Shield - W-B | Shield ground | Always | Below 1 V |
| H101-33 (MCVD) - H101-4 (E) | R - W-B | Telephone microphone assembly power supply | Engine switch on (ACC) | 4 to 6 V |
| Engine switch off | Below 1 V | |||
| H101-34 (MCI+) - H101-4 (E) | W - W-B | Microphone voice signal | Refer to "Microphone Check" Click here |
- |
| H101-35 (MCI-) - H101-4 (E) | B - W-B | Microphone voice signal | Refer to "Microphone Check" Click here |
- |
| H159-1-1 (USB-) | - | USB communication line | - | - |
| H159-1-2 (USB+) | - | USB communication line | - | - |
| H159-1-3 (USBS) - Body ground | Shield - Body ground | Shield ground | Always | Below 1 V |
| H159-2 (USBG) - Body ground | W - Body ground | Shield ground | Always | Below 1 V |
| H159-3 (VOT+) - H101-4 (E) | G - W-B | Receive voice signal | Receiving a call while using the operator service | A waveform synchronized with the received voice is output |
| H159-4 (USBV) - H101-4 (E) | W - W-B | Telephone microphone assembly power supply | Engine switch on (ACC) | 4.75 to 5.25 V |
| Engine switch off | Below 1 V | |||
| H159-5 (VOT-) - H101-4 (E) | B - W-B | Receive voice signal | Receiving a call while using the operator service | A waveform synchronized with the received voice is output |
| H159-6 (VOR-) - H101-4 (E) | R - W-B | Sent voice signal | Calling while using the operator service | A waveform synchronized with the sent voice is output |
| H159-7 (VOR+) - H101-4 (E) | W - W-B | 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 | H101-24 (GSW) - H101-4 (E) |
| Tool setting | 5.0 V/DIV., 20 ms/DIV. |
| Vehicle condition | Engine switch on (IG) |
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