Security Control Module Pin Voltage Assignments

CA18 CONNECTOR

(1) Terminal No./Circuit (Wire Color) (2)	Active	Inactive
1-Passenger's Door Switch (Blue/Orange) See Fig 1 .	Ground (Door Open)	1.74 Volts (Door Closed)
4 - Passenger's Door Lock (Yellow/Black)	Ground (Locked)	1.74 Volts (Unlocked)
7 - Driver's Door Switch (Green)	Ground (Door Open)	7.9 Volts (Door Closed)
10 - Driver's Door Load (Yellow/Red)	Ground (Locked)	1.74 Volts (Unlocked)
(1) Other terminals are used, although voltage is not available from manufacturer. See WIRING DIAGRAMS  for more information on security control module circuit. (2) Check pin voltage between specified terminal and known good ground. Use wiring diagram and illustration to aid in identifying terminals location. See WIRING DIAGRAMS  .

CA19 CONNECTOR

(1) Terminal No./Circuit (Wire Color) (2)	Active	Inactive
6 - Valet Switch (Yellow/White)	Ground (Switch Off)	2 Volts (Switch On)
7 - Inclination Sensor (Light Green/Gray)	Ground (Unlocked)	5 Volts (Locked)
9 - Hood Switch (Blue/White)	Ground (Open)	1.7 Volts (Closed)
12 - Memory Seat Remote Indicator (Pink/Brown)	Ground	Battery Voltage
13 - Headlamp Convenience (Purple/Orange) See Fig 1 .	Ground	7.9 Volts
19 - Central Locking Switch (Gray/Green)	Ground (On)	Battery Voltage (Off)
20 - Trunk Switch (Red/Yellow)	Ground (Open)	7.9 Volts (Closed)
21 - Rear Passenger Door Switch (Green)	Ground (Open)	7.9 Volts (Closed)
(1) Other terminals are used, although voltage is not available from manufacturer. See WIRING DIAGRAMS  for more information on security control module circuit. (2) Check pin voltage between specified terminal and known good ground. Use wiring diagram and illustration to aid in identifying terminals location. See WIRING DIAGRAMS  .

CA20 CONNECTOR

(1) Terminal No./Circuit (Wire Color) (2)	Active	Inactive
4 - Right Intrusion Sensor (Red)	(3)	(3)
5 - Right Intrusion Sensor (Red/White)	(3)	(3)
8 - Serial Communication Input (Orange) See Fig 1 .	(3)	(3)
12 - Left Intrusion Sensor (Blue)	(3)	(3)
13 - Left Intrusion Sensor (Red/Black)	(3)	(3)
16 - Serial Communication Output (Pink)	(3)	(3)
(1) Other terminals are used, although voltage is not available from manufacturer. See WIRING DIAGRAMS  for more information on security control module circuit. (2) Check pin voltage between specified terminal and known good ground. Use wiring diagram and illustration to aid in identifying terminals location. See WIRING DIAGRAMS  . (3) Voltage specifications are not available.

CA21 CONNECTOR

(1) Terminal No./Circuit (Wire Color) (2)	Active	Inactive
6 - Inclination Sensor Ground (Yellow/Orange)	Ground	Ground
8 - Memory Position 2 Request (Blue/Purple)	Battery Voltage	Ground
9 - Warning Lights (Light Green/Purple)	Ground	Battery Voltage
13 - Security Sounder (White/Black)	Pulsed Voltage	Open Circuit
19 - Security Light (Gray)	9 Volts	Open Circuit
21 - Memory Position 1 Request (Blue/Brown)	Battery Voltage	Ground
22 - All Close Request (Yellow/Light Green) See Fig 1 .	Ground	7.8 Volts
23 - Interior Lights (Gray/Pink)	Ground	7.8 Volts
24 - Horn (Green/Blue)	Ground	Battery Voltage
26 - Security Sounder (White/Orange)	5 Volts	Ground
(1) Other terminals are used, although voltage is not available from manufacturer. See WIRING DIAGRAMS  for more information on security control module circuit. (2) Check pin voltage between specified terminal and known good ground. Use wiring diagram and illustration to aid in identifying terminals location. See WIRING DIAGRAMS  .

Fig 1: Identifying Security Control Module Connector Terminals

Courtesy of JAGUAR CARS, INC.