Phone Module (PHM) (2007-09)

All the values given below are between the terminals stated in column 1 and terminal #1 in column 2 (signal 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.

U=	DC voltage in volts (V)	U_AC =	AC voltage in volts (V)
U_bat =	Battery voltage (V)	f =	Frequency in Hertz (Hz)
U_low =	Voltage approximately 0 V	t =	Time in seconds
PWM =	Pulse width modulated signal as a %	-	-

Fig 1: Identifying Connector Terminals

GLL104035

Courtesy of VOLVO CARS CORPORATION

SIGNAL TABLE, CONNECTOR C1

Breakout box terminal	Control module terminal	Signal type	Ignition on	Idle	Other
#1	#C1-1	Diagnostic signal for switch ON CALL and SOS	U = 2 - 5 V	U = 2 - 5 V	Only Volvo On Call
#2	#C1-2	Input signal from 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	#C1-3	Voltage supply, SOS switch illumination	U= 7 V	U= 7 V	Only Volvo On Call
#4	#C1-4	Voltage supply, ON CALL switch illumination	U= 7 V	U= 7 V	Only Volvo On Call
#5	#C1-5	+30-feed	U_bat	U_bat	-
#6	#C1-6	Power ground	U= U_low	U= U_low	-
#7	#C1-7	Handset, voltage feed	U_bat	U_bat	-
#8	#C1-8	Handset, cradle signal	U= 3.34 V when the handset is used, U= 1.9 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	#C1-9	-	-	-	-
#10	#C1-10	-	-	-	-
#11	#C1-11	CAN (L)	Digital signal	Digital signal	-
#12	#C1-12	CAN (H)	Digital signal	Digital signal	-
#13	#C1-13	Signal ground, switch ON CALL and SOS	U_low	U_low	Only Volvo On Call
#14	#C1-14	Signal ground, auxiliary microphone	U_low	U_low	Only Volvo On Call
#15	#C1-15	Signal, spare microphone	U= 5 V	U= 5 V	Only Volvo On Call
#16	#C1-16	-	-	-	-
#17	#C1-17	Impact cable from SRS	U= 12 V at activated SRS-component, otherwise U= 0 V	U= 12 V at activated SRS-component, otherwise U= 0 V	-
#18	#C1-18	Handset, ground	U_low	U_low	-
#19	#C1-19	Handset, microphone signal	Alternating voltage at sound in microphone	Alternating voltage at sound in microphone	Difficult to measure
#20	#C1-20	Handset, speaker signal	Alternating voltage at sound in speaker	Alternating voltage at sound in speaker	Difficult to measure
#21	#C1-21	-	-	-	-
#22	#C1-22	-	-	-	-

Fig 2: Identifying Signal Table, Connector C

GLL139875

Courtesy of VOLVO CARS CORPORATION

SIGNAL TABLE, CONNECTOR C2

Breakout box terminal	Control module terminal	Signal type	Ignition on	Idle	Other
-	#C2-1	Signal, telephone antenna	Antenna signal	Antenna signal	-
-	#C2-2	Ground, telephone antenna	U_low	U_low	-

Fig 3: Identifying Signal Table, Connector B

GLL101506

Courtesy of VOLVO CARS CORPORATION

SIGNAL TABLE, CONNECTOR C3

Breakout box terminal	Control module terminal	Signal type	Ignition on	Idle	Other
#21	#C3-1	Clock signal to SIM-card	Pound signal	Pound signal	-
#22	#C3-2	Signal ground, SIM-card	U_low	U_low	-
#23	#C3-3	Voltage feed, SIM-card	U= 2.8 V	U= 2.8 V	-
#24	#C3-4	Communication cable, SIM-card	Pulsed signal	Pulsed signal	-
#25	#C3-5	Control signal, SIM-card	Pulsed signal	Pulsed signal	-
#26	#C3-6	Diagnostic cable, SIM-card	U_low	U_low	-

Fig 4: Identifying 2-Pin Connector

GLL108088

Courtesy of VOLVO CARS CORPORATION

SIGNAL TABLE, CONNECTOR C4

Breakout box terminal	Control module terminal	Signal type	Ignition on	Idle	Other
-	#C4-1	MOST input signal	Optical input signal when the MOST network is activated	Optical input signal when the MOST network is activated	-
-	#C4-2	MOST signal	Optical output signal when the MOST network is activated	Optical output signal when the MOST network is activated	-

Fig 5: Identifying 5-Pin Connector

GLL104031

Courtesy of VOLVO CARS CORPORATION

SIGNAL TABLE CONNECTOR HANDSET

Breakout box terminal	Control module terminal	Signal type	Ignition on	Idle	Other
#21	#C5-1	Handset, microphone signal	Alternating voltage at sound in microphone	Alternating voltage at sound in microphone	Difficult to measure
#22	#C5-2	Handset, speaker signal	Alternating voltage at sound in microphone	Alternating voltage at sound in microphone	Difficult to measure
#23	#C5-3	Handset, ground	U_low	U_low	-
#24	#C5-4	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	#C5-5	Handset, voltage feed	U_bat	U_bat	-