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A/CCM Connections

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Jaguar XKR, 2006 Jaguar XK8, 2005 Jaguar XKR, 2005 Jaguar XK8, and 2004 Jaguar XKR. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: A/CCM Connections
GJ0001034Courtesy of JAGUAR CARS, INC.
Pin # Input / Output Function Specification
1 (22-way) Input Ignition positive supply With ign ON
2 (22-way) Input Battery isolate supply Activated when IGN ON and for 30 seconds after IGN OFF
3 (22-way) Input Auxiliary ground Auxiliary switch closed to ground
4 (22-way) Output Auxiliary ground Direct line to pin #3
5 (22-way) Input B+  
6 (22-way) Input Engine speed input Open collector, 3 pulses per rev.
7 (22-way) Input Electrical load drive inhibit Active low signal from EMS
8 (22-way) Output Sensor +5V  
9 (22-way) Output Clutch request Open collector R = 1KOHM, connected to IGN, activated high
10 (22-way) Input Diagnostic L line  
11 (22-way) n/a Not used n/a
12 (22-way) Output Ignition (+VE) to control panel  
13 (22-way)   System ground  
14 (22-way) Output Ground to control panel  
15 (22-way) Output Isolation relay Activated when IGN ON and for 30 seconds after IGN OFF
16 (22-way) Input Vehicle speed input  
17 (22-way) Input Pressure switch Ground for normal pressure. IGN+ for abnormal pressure
18 (22-way) Output Aspirator motor (Motorized In-car Aspirator) 0.05A at 12V, activated high during ON mode only
19 (22-way) Input Sensor ground  
20 (22-way)   Logic ground for diagnostic lines  
21 (22-way) Output Diagnostic K line  
22 (22-way) Output Water pump ground Sensing CCT current signal
23 (12-way) Output Screen request to ECM Open collector R = 57OHM, connected to IGN, activated low
24 (12-way) Output CLOCK signal to control panel Open collector R = 1KOHM, connected to IGN, activated high
25 (12-way) Output DATA OUT signal to control panel Open collector R = 1KOHM, connected to IGN, activated high
26 (12-way) Input Compressor lock signal  
27 (12-way) Input Ambient air temperature sensor Voltage / temperature values
28 (12-way) Input Heater matrix temperature sensor Voltage / temperature values
29 (12-way) Input DATA IN signal from control panel  
30 (12-way) Output START signal to control panel Open collector R = 1KOHM, connected to IGN, activated high
31 (12-way) Not used    
32 (12-way) Input Compressor lock select Ign. voltage
33 (12-way) Input In-car temperature sensor (Motorized In-car Aspirator) Voltage / temperature values
34 (12-way) Input Evaporator temperature sensor Voltage / temperature values
35 (16-way) Input Solar sensor Voltage / temperature values
36 (16-way) Input Centre vent servo motor feedback potentiometer Resistance 6KOHM ±10%
0% closed - 1V, 100% open - 4V
37 (16-way) Input RH air intake servo motor feedback potentiometer Resistance 6KOHM ±10%
0% closed - 1V, 100% open - 4V
38 (16-way) Not used    
39 (16-way) Input Cool air bypass servo motor feedback potentiometer Resistance 6KOHM ±10%
0% closed - 1V, 100% open - 4V
40 (16-way) Input Coolant temperature signal PWM signal
41 (16-way) Input RH blower motor voltage feedback  
42 (16-way) Output RH blower motor drive signal 0V to 3V max.
43 (16-way) Input Differential potentiometer Resistance 10KOHM ±10%.
Min. 1V, Max. 4V
44 (16-way) Input Defrost servo motor feedback potentiometer Resistance 6KOHM. ±10%.
0% closed - 1V, 100% open - 4V
45 (16-way) Input LH air intake servo motor feedback potentiometer Resistance 6KOHM ±10%.
0% closed - 1V, 100% open - 4V
46 (16-way) Not used    
47 (16-way) Input Foot servo motor feedback potentiometer Resistance 6KOHM ±10%.
0% closed - 1V, 100% open - 4V
48 (16-way) Not used    
49 (16-way) Input LH blower motor voltage feedback  
50 (16-way) Output LH blower motor drive signal 0V to 3V max.
51 (26-way) Input Compressor ON signal B+ @ compressor ON
52 (26-way) Output Water valve 1amp at 12 volts
53 (26-way) Output RH Blower motor relay Load 105OHM at 12V IGN, activated low
54 (26-way) Output Heated windshield relays Load 36OHM at 12V IGN, activated low
55 (26-way) Output Heated door mirror relay Load 105OHM at 12V IGN, activated low
56 (26-way) Output Defrost servo motor (+VE) B+ when operated
57 (26-way) Output Centre vent servo motor (+VE) B+ when operated
58 (26-way) Output LH air intake servo motor (+VE) B+ when operated
59 (26-way) Output RH air intake servo motor (+VE) B+ when operated
60 (26-way) Not used    
61 (26-way) Not used    
62 (26-way) Output Foot servo motor (+VE) B+ when operated
63 (26-way) Output Cool air bypass servo motor (+VE) B+ when operated
64 (26-way) Output RH High speed relay Load 105OHM at 12V IGN, activated low
65 (26-way) Output LH High speed relay Load 105OHM at 12V IGN, activated low
66 (26-way) Output LH Blower motor relay Load 105OHM at 12V IGN, activated low
67 (26-way) Output Water pump motor relay Load 105OHM at 12V IGN, activated low
68 (26-way) Output Heated backlight relay Load 72OHM at 12V IGN, activated low
69 (26-way) Output Defrost servo motor (-VE) B+ when operated
70 (26-way) Output Centre vent servo motor (-VE) B+ when operated
71 (26-way) Output LH air intake servo motor (-VE) B+ when operated
72 (26-way) Output RH air intake servo motor (-VE) B+ when operated
73 (26-way) Not used    
74 (26-way) Not used    
75 (26-way) Output Foot servo motor (-VE) B+ when operated
76 (26-way) Output Cool air bypass servo motor (-VE) B+ when operated