71Service Manual – SC5000 04 - Control System
J2 Main Machine Controller
Pin# Wire Color Function Observations
9 W120 GRY-BLU Solution Level Return
(Empty, 1 sensor, 2 sensors, 3 sensors)
Actual: 0.03, 2.39, 4.51, 6.44 mA
MMC Display: 0.00, 0.24, 0.44, 0.64
(The display numbers are presumed voltage across a 100
ohm internal resistor.)
10
11
12
13
14 W ORG +12V Out 11.69 V
J3 Main Machine Controller
Pin# Wire Color Function Observations
1 W133 BLK USB Ground 0V
2 W132 GRN-WHT USB+ 3.0V
3 W131 WHT-BRN USB- 0.7V
4 W130 RED USB +5V 4.98V
5 W104 BLU-PNK Smart Key In 3.33V
6 W248 RED Power Button In 0.0V
7
8
9 W138 YEL CAN-1 H 2.63V
10 W139 GRN CAN-1 L 2.48V
11 W136 GRN-BLK CAN-0 L 2.49V
12 W135 YEL-BLK CAN-0 H 2.43V
J4 Drive Controller Brake
Pin# Wire Color Function Observations
1 W176 GRY Brake Ground
Parked = 33.56V, Drive = 0.15V
2 W175 BLU Brake +36V B+
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