Signal Specification Specification, Phone Module (PHM) - Applies To Vehicles With Infotainment Head Unit (IHU)
General
All the values given below apply between the respective connection (column 1) and power ground (#C1:6). If this is not the case, it is indicated under Miscellaneous.
NOTE:
Connect the breakout box and check the ground terminals before taking readings.
There may be several connections and connectors between the control module and components. For more information about these, see the appropriate Wiring diagram.
| 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 (s) |
| PWM = | Pulse-width modulation | I = | Current in amperes (A) |
CONNECTOR C1
| Breakout box terminal | Control module terminal | Signal type | Ignition on | Miscellaneous |
|---|---|---|---|---|
| #1 | #C1:1 | Activation signal and diagnostic signal for the switches ON CALL and SOS . | Not depressed = 5 V ON CALL pressed in = approx. 1.5 V SOS pressed in = 0.9 V |
Applies only to vehicles with Volvo On Call . |
| #2 | #C1:2 | Diagnostic signal for the switches ON CALL and SOS . | U = 4.50 - 4.75 V | Applies only to vehicles with Volvo On Call . |
| #3 | #C1:3 | Power supply, lighting of the switch SOS . | U = 0 - 12 V | Applies only to vehicles with Volvo On Call . |
| #4 | #C1:4 | Power supply, lighting of the switch ON CALL . | U = 0 - 12 V | Applies only to vehicles with Volvo On Call . |
| #5 | #C1:5 | +30-feed | U = Ubat | - |
| #6 | #C1:6 | Power ground | U=Ulow | - |
| #7 | #C1:7 | - | - | - |
| #8 | #C1:8 | - | - | |
| #9 | #C1:9 | - | - | - |
| #10 | #C1:10 | - | - | - |
| #11 | #C1:11 | MS-CAN L | U = 1.5 - 2.5 V | During communication. |
| #12 | #C1:12 | MS-CAN H | U = 2.0 - 3.5 V | During communication. |
| #13 | #C1:13 | Signal ground, switches ON CALL and SOS . | U=Ulow | Applies only to vehicles with Volvo On Call . |
| #14 | #C1:14 | Signal ground, auxiliary microphone | U=Ulow | Applies only to vehicles with Volvo On Call . |
| #15 | #C1:15 | Signal, spare microphone | U = 5 V | Applies only to vehicles with Volvo On Call . |
| #16 | #C1:16 | - | - | - |
| #17 | #C1:17 | Collision cable from the Supplemental Restraint System Module (SRS). | Pulse width modulated signal = 50% Normal value: f = 9 - 11 Hz Collision registered: f = 250 Hz for up to 5 seconds |
- |
| #18 | #C1:18 | LIN | U = 5 - 10 V | - |
| #19 | #C1:19 | - | - | - |
| #20 | #C1:20 | - | - | - |
| #21 | #C1:21 | - | - | - |
| #22 | #C1:22 | - | - | - |
CONNECTOR C2
| Breakout box terminal | Control module terminal | Signal type | Ignition on | Miscellaneous |
|---|---|---|---|---|
| #51 | #C2:1 | Signal, telephone antenna | Antenna signal | - |
| #52 | #C2:2 | Ground, telephone antenna | U=Ulow | - |
CONNECTOR C3
| Breakout box terminal | Control module terminal | Signal type | Ignition on | Miscellaneous |
|---|---|---|---|---|
| #41 | #C3:1 | Clock signal to SIM-card | Digital signal | - |
| #42 | #C3:2 | Signal ground, SIM-card | U=Ulow | - |
| #43 | #C3:3 | Voltage feed, SIM-card | - | - |
| #44 | #C3:4 | Communication cable, SIM-card | Digital signal | - |
| #45 | #C3:5 | Control signal, SIM-card | Digital signal | - |
| #46 | #C3:6 | Diagnostic cable, SIM-card | Digital signal | 0 = SIM holder mounted: R = 1057 Ω 1 = SIM holder missing (not installed): R = 0 Ω |
CONNECTOR C5
| Breakout box terminal | Control module terminal | Signal type | Ignition on | Miscellaneous |
|---|---|---|---|---|
| #53 | #C5:1 | Signal, GPS antenna | Antenna signal | - |
| #54 | #C5:2 | Ground, GPS antenna | U=Ulow | - |
CONNECTOR C6
| Breakout box terminal | Control module terminal | Signal type | Ignition on | Miscellaneous |
|---|---|---|---|---|
| #31 | #C6:1 | USB power supply | U = 5 V | 5 V DC+. Imax = 1.6 A |
| #32 | #C6:2 | USB, data- | U=Ulow | Digital signal |
| #33 | #C6:3 | USB, data+ | U=Ulow | Digital signal |
| #34 | #C6:4 | USB ground | U=Ulow | 5 V DC- |
| #35 | Screening | Screening | U=Ulow | - |