Signal Specification
General
All the values given below are between the terminals stated in column 1 and terminal #A6 in column 2 (power ground). This applies unless otherwise indicated in brackets.
NOTE:
It is important to connect the breakout box and check the ground terminals before taking readings.
For further information about:
- connecting the breakout box, see "Connecting the breakout box, phone module (PHM)".
- Checking ground connection, see "Checking voltage / ground connection, phone module (PHM)".
There may be several connections and connectors between the control module and components. See the relevant section in the wiring diagram for further information about these.
| U= | DC voltage in volts (V) | UAC = | AC voltage in volts (V) |
| Ubat = | Battery voltage (V) | f = | Frequency in Hertz (Hz) |
| Ulow = | Voltage approximately 0 V | t = | Time in seconds |
| PWM = | Pulse width modulated signal in % |
SIGNAL TABLE CONNECTOR A, PHONE MODULE (PHM)
| Terminal breakout box |
Terminal control module |
Signal type | Ignition on | Idle | Other |
|---|---|---|---|---|---|
| #1 | #A1 | Diagnostic signal for the ON CALL and SOS switches | U=2-5 V | U=2-5 V | Only Volvo on Call |
| #2 | #A2 | Input signal from the ON CALL and SOS switches | ON CALL pressed in U=2.6 V, SOS pressed in U=2 V, otherwise U=5 V | ON CALL pressed in U=2.6 V, SOS pressed in U=2 V, otherwise U=5 V | Only Volvo on Call |
| #3 | #A3 | Power supply, lighting SOS switch | U=7 V | U=7 V | Only Volvo on Call |
| #4 | #A4 | Power supply, lighting ON CALL switch | U=7 V | U=7 V | Only Volvo on Call |
| #5 | #A5 | +30 supply | Ubat | U bat | - |
| #6 | #A6 | Power ground | Ulow | U low | - |
| #7 | #A7 | Handset, power supply | U bat | U bat | - |
| #8 | #A8 | Handset, cradle signal | U=3.34 V when the handset is used, U=1.90 V when the handset is not used. | U=3.34 V when the handset is used, U=1.90 V when the handset is not used. | - |
| #9 | #A9 | - | - | - | - |
| #10 | #A10 | - | - | - | - |
| #11 | #A11 | CAN (L) | Digital signal | Digital signal | - |
| #12 | #A12 | CAN (H) | Digital signal | Digital signal | - |
| #13 | #A13 | Signal ground, ON CALL and SOS switches | U low | U low | Only Volvo on Call |
| #14 | #A14 | Signal ground, reserve microphone | U low | U low | Only Volvo on Call |
| #15 | #A15 | Reserve microphone | U =5 V | U =5 V | Only Volvo on Call |
| #16 | #A16 | - | - | - | - |
| #17 | #A17 | Collision cable from the SRS | U=12 V when an SRS component is activated, otherwise U=0 V | U=12 V when an SRS component is activated, otherwise U=0 V | - |
| #18 | #A18 | Handset, ground | U low | U low | - |
| #19 | #A19 | Handset, microphone | Alternating current when there is sound in the microphone | Alternating current when there is sound in the microphone | Difficult to measure |
| #20 | #A20 | Handset, speaker | Alternating current when there is sound in the loudspeaker | Alternating current when there is sound in the loudspeaker | Difficult to measure |
| #21 | #A21 | - | - | - | - |
| #22 | #A22 | - | - | - | - |
SIGNAL TABLE CONNECTOR B, PHONE MODULE (PHM)
| Terminal breakout box |
Terminal control module |
Signal type | Ignition on | Idle | Other |
|---|---|---|---|---|---|
| #21 | #B1 | Clock signal to the SIM card | Quadratic signal | Quadratic signal | - |
| #22 | #B2 | Signal ground, SIM card | U low | U low | - |
| #23 | #B3 | Power supply, SIM card | U=2.8 V | U=2.8 V | - |
| #24 | #B4 | Communication cable, SIM card | Pulsed signal | Pulsed signal | - |
| #25 | #B5 | Control signal, SIM card | Pulsed signal | Pulsed signal | - |
| #26 | #B6 | Diagnostic lead, SIM card | U low | U low | - |
SIGNAL TABLE CONNECTOR C, PHONE MODULE (PHM)
| Terminal breakout box |
Terminal control module |
Signal type | Ignition on | Idle | Other |
|---|---|---|---|---|---|
| - | #C1 | Carphone antenna | Antenna signal carphone | Antenna signal carphone | - |
| - | #C2 | Antenna ground | U low | U low | - |
SIGNAL TABLE CONNECTOR D, PHONE MODULE (PHM)
| Terminal breakout box |
Terminal control module |
Signal type | Ignition on | Idle | Other |
|---|---|---|---|---|---|
| - | #D1 | MOST input signal | Optical input signal when the MOST network is activated | Optical input signal when the MOST network is activated | - |
| - | #D2 | MOST output signal | Optical output signal when the MOST network is activated | Optical output signal when the MOST network is activated | - |
SIGNAL TABLE CONNECTOR SIM CARD HOLDER
| Terminal breakout box |
Terminal control module |
Signal type | Ignition on | Idle | Other |
|---|---|---|---|---|---|
| #21 | #1 | Clock signal to the SIM card | Quadratic signal | Quadratic signal | - |
| #22 | #2 | Signal ground, SIM card | U low | U low | - |
| #23 | #3 | Power supply, SIM card | U=2.8 V | U=2.8 V | - |
| #24 | #4 | Communication cable, SIM card | Pulsed signal | Pulsed signal | - |
| #25 | #5 | Control signal, SIM card | Pulsed signal | Pulsed signal | - |
| #26 | #6 | Diagnostic lead, SIM card | U low | U low | - |
SIGNAL TABLE CONNECTOR SWITCH VOLVO ON CALL
| Terminal breakout box |
Terminal control module |
Signal type | Ignition on | Idle | Other |
|---|---|---|---|---|---|
| #13 | #1 | Reserve microphone | U =5 V | U =5 V | - |
| #14 | #2 | Signal ground, reserve microphone | U low | U low | - |
| #15 | #3 | Power supply, lighting SOS switch | U=7 V | U=7 V | - |
| #16 | #4 | Power supply, lighting ON CALL switch | U=7 V | U=7 V | - |
| #17 | #5 | Diagnostic signal for the ON CALL and SOS switches | U=2-5 V | U=2-5 V | - |
| #18 | #6 | Input signal from the ON CALL and SOS switches | U=2-5 V | U=2-5 V | - |
| #19 | #7 | Signal ground, ON CALL and SOS switches | U low | U low | - |
SIGNAL TABLE CONNECTOR HANDSET
| Terminal breakout box |
Terminal control module |
Signal type | Ignition on | Idle | Other |
|---|---|---|---|---|---|
| #21 | #1 | Handset, microphone | Alternating current when there is sound in the microphone | Alternating current when there is sound in the microphone | Difficult to measure |
| #22 | #2 | Handset, speaker | Alternating current when there is sound in the microphone | Alternating current when there is sound in the microphone | Difficult to measure |
| #23 | #3 | Handset, ground | U low | U low | - |
| #24 | #4 | Handset, cradle signal | U=3.34 V when the handset is used, U=1.90 V when the handset is not used. | U=3.34 V when the handset is used, U=1.90 V when the handset is not used. | - |
| #25 | #5 | Handset, power supply | U bat | U bat | - |