Control module connector

Fig 1: Identifying Control Module Connector Terminals

Courtesy of SAAB-SCANIA OF AMERICA, INC.

> = greater than; < = less than; ≈ = approx. equal to; ~ = AC voltage (LP: LOGIC PROBE P = select pulse; p = visible pulses)

CONTROL MODULE CONNECTOR TERMINALS REFERENCE

Pin No.	Component/function	In/Output	Test conditions	Across	Test reading	See
1	Brake light right-hand, power supply from TWICE to lamp bulb.	Out	Brake pedal pressed.	1-B-	B+	Lighting and signalling systems. See BRAKE LIGHTS .
2	Tailgate, relay. 5D, ground	Out	Lock tailgate	B+-2	B+	Doors and locks. See KEY, TAILGATE 5D .
3	Electrically adjustable passenger seat, ground relay.	Out	Ignition ON	3-B-	approx. 1V	Seats. See ELECTRICALLY ADJUSTABLE PASSENGER SEAT .
3	Electrically adjustable passenger seat, ground relay.	Out	Ignition OFF. Front doors closed. Not operated.	3-B-	B+	Seats. See ELECTRICALLY ADJUSTABLE PASSENGER SEAT .
4	Starter relay, ground.	Out	Ignition key in position ST. Transponder not OK.	4-B-	B+	See SYSTEM OVERVIEW, IMMOBILIZER .
4	Starter relay, ground.	Out	Ignition key in position ST. Transponder OK.	4-B-	< 0.5V	See SYSTEM OVERVIEW, IMMOBILIZER .
5	Seat sensor, passenger seat.	In	Passenger seat occupied.	5-21	< 4.2V	Seat belt system. See SEATBELT REMINDER .
5	Seat sensor, passenger seat.	In	Passenger seat unoccupied.	5-21	5V	Seat belt system. See SEATBELT REMINDER .
6	Locking switch for central locking, center console.	In	Ignition ON	6-B-	B+ for approx. 0.5 sec.	Doors and locks. See LOCK BUTTON IN CENTRE CONSOLE .
7	Unlocking switch for central locking, center console.	In	Ignition ON	7-B-	B+ for approx. 0.5 sec.	Doors and locks. See LOCK BUTTON IN CENTRE CONSOLE .
8	No connection
9	Heated rear seat, request.	In	Ignition ON: Button for rear seat heater held down.	9-B-	B+	Seats. See HEATED REAR SEAT .
10	Glass breakage sensor and tilt sensor, power supply.	Out	Sensor not disconnected. Anti-theft alarm armed.	10-B-	B+	GLASS BREAKAGE SENSOR (4D) GLASS BREAKAGE SENSOR (5D) TILT SENSOR
11	Switch, unlocking boot lid/tailgate	In	Ignition ON	11-B-	B+ for approx. 0.5 sec.	Doors and locks 4D - BOOT LID 4D 5D - TAILGATE 5D
12	Door switch, left-hand rear door.	In	Ignition ON: Door closed.	12-B-	B+ for approx. 0.5 sec.	DOOR SWITCHES
13	Receiver remote control, ground.	In	Always	B+ -13 13-B-	B+ <0.5V	RECEIVER FOR REMOTE CONTROL
14	Receiver, remote control, anti-theft alarm, signal.	In	Remote control not operated.	14-B-	B+	RECEIVER FOR REMOTE CONTROL
14	Receiver, remote control, anti-theft alarm, signal.	In	Press lock button.	14-B-	approx. 6V for approx. 0.2 sec.	RECEIVER FOR REMOTE CONTROL
15	I-BUS (-)	In/Out	Ignition ON: BUS active	15-B-	2-3V	BUS COMMUNICATION
16	Ignition +15, logic.	In	Ignition ON	16-B-	B+	TWICE
17	Ignition +B, logic	In	Ignition ON: Key in ignition lock	17-B-	B+	TWICE
18	Not used
19	Tilt sensor signal.	In	Ignition ON	19-B-	1.0V	TILT SENSOR
20	Central locking motors rear doors, control voltage for theft security locking	Out	Not operated	B+ -20	B+	Doors and locks. See CENTRAL LOCKING SYSTEM .
			Lock the car.	20-B-	B+
			Activate function with diagnostic tool.	B+ -20	<1V
21	Seat sensor passenger seat, ground.	Out	Ignition ON	B+ -21	B+	Seat belt system. See SEATBELT REMINDER .
22	Central locking motors doors, control voltage for locking	Out	Not operated	B+ -22	B+	Doors and locks. See CENTRAL LOCKING SYSTEM .
			Car to be unlocked.	22-B-	B+
			Activate function with diagnostic tool.	B+ -22	<1V
23	Parking light left rear, power supply from switch.	In	Light switch in position for parking light (pos 1).	23-B-	B+	Lighting and signalling systems. See PARKING LIGHTS .
24	High level brake light, power supply from TWICE to bulb.	Out	Brake pedal pressed.	24-B-	B+	Lighting and signalling systems. See BRAKE LIGHTS .
25	Brake light left-hand, power supply from TWICE to bulb.	Out	Brake pedal pressed.	25-B-	B+	Lighting and signalling systems. See BRAKE LIGHTS .
26	Central locking motor driver's door, control voltage for unlock	Out	Not operated	B+ -26	B+	Doors and locks. See BRAKE LIGHTS .
			Car to be unlocked.	26-B-	B+
			Activate function with diagnostic tool.	B+ -26	<1V
27	LED, theft protection.	Out	Activate function with diagnostic tool	B+ -27	approx. 1.95V	LED (LIGHT EMITTING DIODE)
28	Seat belt warning lamp, ground.	Out	Ignition ON	28-B-	<1V for 6 sec.	Seat belt system. See SEATBELT REMINDER .
28	Seat belt warning lamp, ground.	Out	Seat belt buckled more than 6 seconds since ignition was switched ON.	28-B-	B+	Seat belt system. See SEATBELT REMINDER .
29	Siren, communication	Out	Ignition ON	29-B-	B+	SIREN
30	No connection
31	No connection
32	No connection
33	Unlock with key in driver's door.	In	Ignition ON	B+ -33	approx. 8V for 0.5 sec	Doors and locks. See CENTRAL LOCKING SYSTEM .
34	Tilt sensor, ground	In	Always	B+ -34 34-B-	B+ <0.5V	TILT SENSOR
35	Boot lid/tailgate switch.	In	Ignition ON: Tailgate closed.	35-B-	B+ for approx. 0.5 sec.	LUGGAGE COMPARTMENT LIGHTING
35	Boot lid/tailgate switch.	In	Tailgate open.	35-B-	<0.1V	LUGGAGE COMPARTMENT LIGHTING
36	Door switch; right-hand rear door.	In	Ignition ON: Door closed.	36-B-	B+ for approx. 0.5 sec.	DOOR SWITCHES
36	Door switch; right-hand rear door.	In	Door open.	36-B-	<0.1V	DOOR SWITCHES
37	Signal ground	In	Always.	B+ -37 37-B-	B+ <0.5V	TWICE
38	I-BUS (+)	In/Out	Ignition ON: BUS active	38-B-	2-3V	BUS COMMUNICATION
39	Immobilizer; code from antenna unit via ignition lock.	In	Ignition ON	39-B-	B+	IMMOBILIZATION
39	Immobilizer; code from antenna unit via ignition lock.	In	Ignition OFF.	B+ -39	<0.1V	IMMOBILIZATION
40	No connection
41	Bonnet switch	In	Ignition ON: Bonnet closed.	41-B-	B+ for approx. 0.5 sec.	BONNET SWITCH
41	Bonnet switch	In	Bonnet open.	41-B-	<0.1V	BONNET SWITCH
42	Central locking motor driver's side, control voltage for theft security locking. Car to be locked.	Out	Not operated	B+ -42	B+	Doors and locks. See CENTRAL LOCKING SYSTEM .
			Activate function with diagnostic tool	42-B-	B+
				B+ -42	<1V
43	TWICE, power supply +30 circuit.	In	Always +30	43-B-	B+	TWICE
				B+ -43	<0.5V	CONTROL MODULE POWER SUPPLY .
44	Central locking system motor tailgate 5D, control voltage, theft security locking	Out	Not operated	B+-44	B+	Doors and locks. See CENTRAL LOCK OPERATION, TAILGATE 5D .
44		Out	Activate TSL	44-B- B+-44	B+ <1V	Doors and locks. See CENTRAL LOCK OPERATION, TAILGATE 5D .
45	Parking light left-hand rear, power supply from TWICE to bulb.	Out	Light switch in position for parking light (pos 1).	45-B-	B+	Lighting and signalling systems. See PARKING LIGHTS .
46	Parking light right-hand rear, power supply from TWICE to bulb.	In	Light switch in position for parking light (pos 1).	46-B-	B+	Lighting and signalling systems. See PARKING LIGHTS .
47	Central locking, power supply from fuse.	In	Always +30. Activate any central locking function.	47-B- B+ -47	B+ <1V	Doors and locks. See CENTRAL LOCKING SYSTEM .
48	Brake light, power supply from brake light contact.	In	Brake pedal pressed.	48-B-	B+	Lighting and signalling systems. See BRAKE LIGHTS .
49	Central locking motors rear doors, control voltage for unlocking.	Out	Not operated	B+ -49	B+	Doors and locks. See CENTRAL LOCKING SYSTEM .
49		Out	Activate function with diagnostic tool	49- ground B+ -49	B+ <1V	Doors and locks. See CENTRAL LOCKING SYSTEM .
50	Antenna unit for immobilizer; power supply.	Out	Ignition ON: Without transponder	50-B-	B+ for approx. 10 sec.	ANTENNA UNIT, IMMOBILIZATION
50	Antenna unit for immobilizer; power supply.	Out	Ignition ON: With transponder	50-B-	B+ for approx. 0.1 sec.	ANTENNA UNIT, IMMOBILIZATION
51	Tailgate. 5D Locking		Always	51-B-	B+	Doors and locks
				B+-51	<1V	CENTRAL LOCK OPERATION, TAILGATE 5D .
52	Heated rear seat, relay.	Out	Activate with diagnostic tool.	52-B-	approx. 1V	Seats. See HEATED REAR SEAT .
52	Heated rear seat, relay.	Out	Not operated	52-B-	B+	Seats. See HEATED REAR SEAT .
53	No connection
54	No connection
55	Locking button, driver's door.	In	Ignition ON:			Doors and locks. See LOCK BUTTONS ON DOORS .
			Locking button up.	55-B-	0V
			Locking button down.	55-B-	B+ for approx. 0.5 sec.
56	Locking with key in driver's door.	In	Ignition ON	56-B-	8V for approx. 0.5 sec.	Doors and locks. See CENTRAL LOCKING SYSTEM .
56	Locking with key in driver's door.	In	Key in door lock in locked position.	56-B-	0V	Doors and locks. See CENTRAL LOCKING SYSTEM .
57	Glass break sensor, ground	In	Always	B+ -57	B+
				57-B-	<0.5V	4D - GLASS BREAKAGE SENSOR (4D) 5D - GLASS BREAKAGE SENSOR, REAR (5D) or GLASS BREAKAGE SENSOR, FRONT (5D)
58	Glass break sensor, signal	In	Ignition ON	58-B-	B+ for approx. 0.5 sec.	4D - GLASS BREAKAGE SENSOR (4D) 5D - GLASS BREAKAGE SENSOR, REAR (5D) or GLASS BREAKAGE SENSOR, FRONT (5D)
59	Boot lid/tailgate switch for disarming anti-theft alarm.	In	Ignition ON: Not operated	59-B-	B+ for approx. 0.5 sec.	MICROSWITCH IN TAILGATE LOCK, DISARMING TAILGATE (5D)
59	Boot lid/tailgate switch for disarming anti-theft alarm.	In	Turn the key to the unlocked position.	59-B-	<0.1V	MICROSWITCH IN TAILGATE LOCK, DISARMING TAILGATE (5D)
60	Door switch passenger door, front	In	Ignition ON: Door closed.	60-B-	B+ for approx. 0.5 sec.	DOOR SWITCHES
60	Door switch passenger door, front	In	Door open	60-B-	<0.1V	DOOR SWITCHES
61	Door switch, driver's door.	In	Ignition ON: Door closed.	61-B-	B+ for approx. 0.5 sec.	DOOR SWITCHES
61	Door switch, driver's door.	In	Door open	61-B-	<0.1V	DOOR SWITCHES
62	Boot lid/tailgate lock motor, ground.	In	Always	B+-62	B+	Doors and locks
				62-B-	<0.1V	CENTRAL LOCK OPERATION, TAILGATE 5D
63	No connection
64	Seat-belt switches, rear seat	In	Ignition ON: Belts in rear seat not fitted into seat-belt buckles	64-B-	<0.5V	Seat belt system. See SEAT BELTS, FRONT .
64	Seat-belt switches, rear seat	In	Belt fastened	64-B-	B+	Seat belt system. See SEAT BELTS, FRONT .
65	No connection
66	Central locking motor passenger side front, control voltage for theft security locking	Out	Not operated	B+ -66	B+	Doors and locks PARKING LIGHTS .
			Lock the car.	66-B-	B+
			Activate function with diagnostic tool	B+ -66	<1V
67	Central locking system motor boot lid/tailgate, control voltage	Out	Not operated	B+ -67	B+	Doors and locks. See CENTRAL LOCK OPERATION, TAILGATE 5D .
			Activate function with diagnostic tool	67-B-	B+
				B+ -67	<1V
68	Parking light right-hand rear, power supply from TWICE to bulb.	Out	Light switch in position for parking light (pos 1).	68-B-	B+	Lighting and signalling systems. See PARKING LIGHTS .
69	Central locking motor passenger door front, control voltage for unlock	Out	Not operated	B+ -69	B+	Doors and locks. See CENTRAL LOCKING SYSTEM .
			Activate function with diagnostic tool	69-B-	B+
				B+ -69	<1V
70	Power ground TWICE	In	Always. Operate central locking function	B+ -70 70-B-	B+ <0.3V	TWICE