Manitowoc Published 10-09-2020, Control # 259-06 3-25
MLC80A-1/MLC90A-1/MLC100A-1/MLC100-1 SERVICE/MAINTENANCE MANUAL ELECTRICAL SYSTEM
Table 3-12. SCM-00 Test Voltages
Pin Net Function Voltages
P1-1 8C45 (+UB) Battery Power for Control Module Outputs (from CB31)
24 V
DC
P1-2 ODH1A17 RCL Light Amber
0 V
DC
Off, 24 V
DC
On
P1-3 ODH1A6 RCL Light Green
0 V
DC
Off, 24 V
DC
On
P1-4 ODH1A5 Not Used
0 V
DC
P1-5 ODH1A4
24 V
DC
Power Bus:
• Travel Speed Switch
• Seat Safety Switch
24 V
DC
P1-6 ODH1A3 RCL Light Red
0 V
DC
Off, 24 V
DC
On
P1-8 ODH1A1
24 V
DC
Power to Foot Throttle 24 V
DC
P1-9 IDF1 Not Used
0 V
DC
P1-10 IDF2 Not Used
0 V
DC
P1-11 IDF3 Not Used
0 V
DC
P1-12 IDF4 Not Used
0 V
DC
P1-13 ID51 A/C Compressor Enable Input
0 V
DC
Open, 24 V
DC
Closed
P1-14 6C8A (+UE) Control Module Battery Power (from K5)
24 V
DC
P1-16 CAN_D—L CAN Bus D—Low Load Link N/A
P1-17 CAN_D—H CAN Bus D—High Load Link N/A
P1-20 IMID1 Module Identifier Input (from cab ground bus bar)
0 V
DC
P1-21 ID6 Engine Start Input
0 V
DC
Open, 24 V
DC
Closed
P1-22 IACV11 Hand Throttle Input
0.5 V
DC
Low Idle
4.5 V
DC
High Idle
P1-23 IACV12 Engine Foot Throttle Input
0.90 to 1.00 V
DC
High Idle
2.90 to 3.00 V
DC
Low Idle
P1-24 IACV13 Drum 2 Free Fall Pedal Input
1.5 to 8.5 V
DC
P1-25 RTCN
3.6 V
DC
Real Time Clock Battery Power (negative) 0 V
DC
P1-26 0S85L
8.5 V
DC
Ground Bus Hand Throttle 8.5 V
DC
P1-27 KL15 Control Module Ignition Power (from engine RUN switch)
24 V
DC
P1-28 ID9 Seat Safety Switch
0 V
DC
Open, 24 V
DC
Closed
P1-29 GND Ground (from cab ground bus bar)
0 V
DC
P1-30 CAN_A—L CAN Bus A—Low N/A
P1-31 CAN_A—H CAN Bus A—High N/A
P1-34 IMID2 Module Identifier Input (from cab ground bus bar)
0 V
DC
P1-35 ID7 Engine Run Input
0 V
DC
Open, 24 V
DC
Closed
P1-36 ID8-1 Travel Speed Input
0 V
DC
Open, 24 V
DC
Closed
P1-37 IACV14 Drum 1 Free Fall Pedal
1.5 to 8.5 V
DC
P1-38 IACV16 Cab A/C Thermostat
0 V
DC
Open, 24 V
DC
Closed
P1-39 IACV16 Not Used
0 V
DC
P1-40 RTCP
3.6 V
DC
Real Time Clock Battery Power (positive) 3.6 V
DC