D5R2 and D6R2 Track-Type Tractors Connector Contact Description Caterpillar


Connector Contact Description
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1.1. Connector Contact Numbers
2.1. Machine ECM
3.1. Implement ECM

Connector Contact Numbers




Illustration 1g00554751

Electronic Control Module (ECM)




Illustration 2g00556522

Machine Harness Connectors J1 and J2 that mate to the ECM.

Machine ECM

Table 1
Contact Description J1 (1)    
No. (2)     Function     Type    
1     Key Switch Run     Key-On    
2     Xmsn Output Speed Sensor 1+     Differential Speed Input (+)    
3     Xmsn Output Speed Sensor 1-     Differential Speed Input (-)    
4     Xmsn Output Speed Sensor 2+     Differential Speed Input (+)    
5     Xmsn Output Speed Sensor 2-     Differential Speed Input (-)    
10     AVS Datalink +     Cat Data Link (+)    
12     Blade Float Detent Coil     Sourcing Driver Output    
13     -Battery (1)     Battery Return    
15     Tc Output Speed Sensor +     Differential Speed Input (+)    
16     Tc Output Speed Sensor +     Differential Speed Input (-)    
20     AVS Datalink -     Cat Data Link (-)    
22     Tc Oil Temp Sensor     Analog Input    
23     -Battery (2)     Battery Return    
26     Location Code     Switch to Ground Input    
29     Xmsn Oil Temperature Sensor (Sump)     Analog Input    
30     Hydraulic Temperature Sensor     Analog Input    
31     +Battery (1)     Battery Power Input    
32     Location Code Enable     Switch to Ground Input    
33     Reverse Switch N/O     Switch to Ground Input    
34     Reverse Switch N/C     Switch to Ground Input    
35     Parking Brake Switch Engaged     Switch to Ground Input    
38     +Battery (2)     Battery Power Input    
39     +Battery (3)     Battery Power Input    
40     Parking Brake Switch Released     Switch to Ground Input    
41     Implement Lock Out Switch (N/O)     Switch to Ground Input    
42     Implement Lock Out Switch (N/C)     Switch to Ground Input    
44     +8V Supply     Sensor Power Output    
45     +8V Return (J766)     Sensor Power Return    
47     +Battery (4)     Battery Power Input    
48     Xmsn -Speed Clutch 1     Sourcing Driver Output    
49     Xmsn -Speed Clutch 2     Sourcing Driver Output    
50     PWM Driver Return 1-4     Sourcing Driver Return    
51     Xmsn -Speed Clutch 3     Sourcing Driver Output    
52     Brake Prop Solenoid     Sourcing Driver Output    
53     Fuel Lever Sender     Analog Input    
54     Right/Left Steering Solenoid Return     Sourcing Driver Return    
55     PWM Driver Return 9-12     Sourcing Driver Return    
56     10V Return (J765)     Sensor Power Return    
57     - Battery (3)     Battery Return    
58     Blade Angle Right     Sourcing Driver Output    
59     Blade Angle Left     Sourcing Driver Output    
60     PWM Driver Return 5-8     Sourcing Driver Return    
61     Implement Shutoff Solenoid     Sourcing Driver Output    
64     Filter Bypass Switch     Switch to Ground Input    
65     Xmsn - Reverse Clutch     Sourcing Driver Output    
66     Xmsn - Forward Clutch     Sourcing Driver Output    
67     Left Steering Solenoid     Sourcing Driver Output    
68     Right Steering Solenoid     Sourcing Driver Output    
69     +10V Supply     Sensor Power Output    
70     - Battery (4)     Battery Return    
( 1 ) The ECM responds to an active input only when all the necessary conditions are satisfied.
( 2 ) The connector contacts that are not listed are not used.

Table 2
Contact Description J2 (1)    
No. (2)     Function     Type    
1     Key Switch Crank     Switch to Battery Input    
3     Parking Brake Dump Valve Solenoid     Sourcing Driver Output    
4     Park Brake/ Backup Alarm/ Detent Coil Return     Sourcing Driver Return    
6     Backup Alarm     Sourcing Driver Output    
7     Start Relay     Sourcing Driver Output    
8     Start Relay Return     Sourcing Driver Return    
14     R Term     R Terminal (Alternator) Input    
15     Decel Pedal Signal     PWM Input    
22     Digital Return     Return    
23     Steering Filter Bypass Switch     Switch to Ground Input    
24     Steering Position Sensor 1     PWM Input    
25     Steering Position Sensor 2     PWM Input    
28     Upshift Switch N/O     Switch to Ground Input    
29     Upshift Switch N/C     Switch to Ground Input    
30     Downshift Switch N/O     Switch to Ground Input    
31     Downshift Switch N/C     Switch to Ground Input    
32     Service Brake Pedal Position Sensor     PWM Input    
33     Direction Lever Position (FNR) Sensor     PWM Input    
34     Steering Motor Speed Sensor 1     PWM Input    
35     Steering Motor Speed Sensor 2     PWM Input    
36     Forward Switch N/O     Switch to Ground Input    
37     Forward Switch N/C     Switch to Ground Input    
40     Handle Angle     PWM Input    
44     Seat Belt SW N/O     Switch to Ground Input    
45     Seat Belt SW N/C     Switch to Ground Input    
50     Engine Throttle Switch     PWM Input    
51     Bi-Directional Switch     PWM Input    
64     CAN B Data Link +     CAN B HI    
65     CAN B Data Link -     CAN B LOW    
67     CAN Datalink A+     CAN Data Link (+)    
68     CAN Datalink A-     CAN Data Link (-)    
( 1 ) The ECM responds to an active input only when all the necessary conditions are satisfied.
( 2 ) The connector contacts that are not listed are not used.

Implement ECM

Table 3
Contact Description J1 (1)    
No. (2)     Function     Type    
1     Key Switch Run     Key-On    
10     AVS Datalink +     Cat Data Link (+)    
13     -Battery (1)     Battery Return    
20     AVS Datalink -     Cat Data Link (-)    
23     -Battery (2)     Battery Return    
27     Location Code 1     Switch to Ground Input    
31     +Battery (1)     Battery Power Input    
32     Location Code Enable     Switch to Ground Input    
33     Auto/Man Blade Shake Switch N/O     Switch to Ground Input    
34     Auto/Man Blade Shake Switch N/C     Switch to Ground Input    
38     +Battery (2)     Battery Power Input    
39     +Battery (3)     Battery Power Input    
47     +Battery (4)     Battery Power Input    
48     Blade Raise     Sourcing Driver Output    
49     Blade Lower     Sourcing Driver Output    
50     Blade Solenoid Returns     Sourcing Driver Return    
51     Blade Tilt Left Solenoid     Sourcing Driver Output    
52     Blade Tilt Right Solenoid     Sourcing Driver Output    
56     10V Return (J765)     Sensor Power Return    
57     - Battery (3)     Battery Return    
58     Ripper Raise     Sourcing Driver Output    
59     Ripper Lower     Sourcing Driver Output    
60     Ripper/Blade Angle Returns     Sourcing Driver Return    
61     Blade Angle Right     Sourcing Driver Output    
62     Blade Angle Left     Sourcing Driver Output    
69     +10V Supply     Sensor Power Output    
70     - Battery (4)     Battery Return    
( 1 ) The ECM responds to an active input only when all the necessary conditions are satisfied.
( 2 ) The connector contacts that are not listed are not used.

Table 4
Contact Description J2 (1)    
No. (2)     Function     Type    
2     Implement Lockout     Sourcing Driver Output    
4     Implement Lockout Return     Sourcing Driver Return    
11     Stable Blade Indicator     Sinking Driver Output    
22     Digital Return     Return    
24     Blade Raise/Lower Position Sensor     PWM Input    
25     Blade Tilt Position Sensor     PWM Input    
26     Blade Angle Position Sensor     PWM Input    
27     Rip Raise/Lower Position Sensor     PWM Input    
33     Implement Calibration Sensor     PWM Input    
46     Implement Shutoff Switch (N/C)     Switch to Ground Input    
47     Implement Shutoff Switch (N/O)     Switch to Ground Input    
52     Decrement Switch (N/O)     Switch to Ground Input    
53     Increment Switch (N/O)     Switch to Ground Input    
54     Stable Blade Disable Switch (N/C)     Switch to Ground Input    
55     Stable Blade Disable Switch (N/O)     Switch to Ground Input    
64     CAN B+     CAN Data Link (+)    
65     CAN B-     CAN Data Link (-)    
67     CAN A+     CAN Data Link (+)    
68     CAN A-     CAN Data Link (-)    
( 1 ) The ECM responds to an active input only when all the necessary conditions are satisfied.
( 2 ) The connector contacts that are not listed are not used.

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