OEM INTERFACES CM570 ELECTRONIC SUBSYSTEM TECHNICAL PACKAGE WIRING DIAGRAM Layout. The CM570 Electronic Subsystem Wiring Diagram is organized into four sheets. Each sheet is one-fourth of a single, continuous wiring diagram that defines every OEM interface to the CM570 electronic subsystem. The diagram attempts to organize the components by location and interface. Actual locations may vary. a.
Sheet 1 shows every possible interface to the 31-pin OEM connector.
b.
Sheet 2 shows every possible interface to the 50-pin OEM connector. Sheet 2 also shows interfaces to the Water-In-Fuel (WIF) disconnect, the Engine Brake Relay disconnect, and the Electronic Air Compressor Governor (E-Governor) disconnect.
c.
Sheet 3 shows interfaces to OEM components typically located in the vehicle cab, except for the dashboard.
d.
Sheet 4 shows interfaces to OEM components typically located in the dashboard.
31-Pin OEM Connector
50-Pin OEM Connector & Engine Compartment
Vehicle Cab Except Dashboard
Dashboard
Sheet 1
Sheet 2
Sheet 3
Sheet 4
CM570 Electronic Subsystem Wiring Diagram Layout
Cummins Engine Company, Inc.
Page 1
OEM INTERFACES CM570 ELECTRONIC SUBSYSTEM TECHNICAL PACKAGE
Cummins Engine Harness 31-Pin OEM Connector 31-Pin General Disconnect Pinouts not used: 1, 2, 10, 14, 23, 26, 27, 28, and 31.
6 19 7 5
COOLANT NOT DETECTED COOLANT LEVEL RETURN
A B
COOLANT LEVEL SUPPLY (+) COOLANT DETECED
C D
17
AC PRESSURE SWITCH
18
AC PRESSURE RETURN
25
REMOTE OIL LEVEL SWITCH
24
ALTERNATE RETURN
30
Coolant Level Switch Air Cond. Pressure Switch
Centinel Makeup Tank Remote Oil Level Switch Torque Limit Switch
TORQUE LIMIT SWITCH
Eaton Top-2 Transmission 9 11 8
22 21 15 16 12
TOP2 LOCKOUT SOLENOID TOP2 RETURN TOP2 SHIFT SOLENOID MAGNETIC PICKUP VSS(-) MECHANICAL VSS (-) DIGITAL VSS (+) MAGNETIC PICKUP VSS(+) MECHANICAL VSS (+) TACHOGRAPH VSS RETURN FAN ON/OFF FAN VARIABLE
13
FAN SIGNAL RETURN
20
STARTER LOCKOUT RELAY
4
IS TEMP
3
IS TEMP RETURN
A B C
Solenoid Valve
See VSS Wiring Options
See Fan Control Wiring Options See Starter Lockout Wiring Options Idle Shutdown Temperature Sensor
CM570 Electronic Subsystem Wiring Diagram - Sheet 1 of 4
Cummins Engine Company, Inc.
Page 2
OEM INTERFACES CM570 ELECTRONIC SUBSYSTEM TECHNICAL PACKAGE
Cummins Engine Harness WIF Extension Harness WIF Disconnect
1
WIF SENSOR RETURN
1
2
WIF SENSOR
2
Engine Engine Brake Relay Connector Brake Relay ENGINE BRAKE RELAY 1 Disconnect ENGINE BRAKE RELAY RETURN 2 ISM Only E-Governor Extension Harness 1 2 3 5 4 6
E-Governor Disconnect
WET TANK SUPPLY (+) WET TANK PRESSURE WET TANK SUPPLY RETURN E-GOVERNOR VALVE E-GOVERNOR VALVE RETURN
See Datalink Interface Connector Wiring Options
WIF Sensor
Remote PTO 15A @ 12V 10A @ 24V
Remote Accel. On/Off Switch Position Sensor
+ BATTERY
C2 C1 C3
Engine Brake Relay
E-Governor Air 1 Pressure 2 Sensor 3 5 Air 4 Control 6 Valve J1587 DATALINK (+) J1587 DATALINK (-) J1939 DATALINK (+) J1939 DATALINK (-) J1939 DATALINK SHIELD
26 27 46 37 36
ECM SUPPLY (+) ECM SUPPLY (+) ECM SUPPLY (+) ECM SUPPLY (+) ECM SUPPLY (+)
7 8 17 18 28
ECM SUPPLY RETURN ECM SUPPLY RETURN ECM SUPPLY RETURN ECM SUPPLY RETURN ECM SUPPLY RETURN REMOTE PTO SWITCH REMOTE RETURN REMOTE ACCEL. SWITCH REMOTE ACCEL. POSITION
29 30 39 40 50 34 20 43 21
15A @ 12V 10A @ 24V
Remote PTO Switch
Electronic Control Module
Fuel Filter
14 24 23 44 41 15 25 12 11 22 31 32 9 10 6 16 5 38 35
50-Pin OEM Connector Bulkhead Connector 14 24 23 44 41 15 25 12 11 22 31 32 9 10 6 16 5 38 35
48
48
47
47
49 3
49 3
13
13
1
1
2
2
42
42
ACCELERATOR SUPPLY (+) ACCELERATOR SUPPLY RETURN
CM570 Electronic Subsystem Wiring Diagram - Sheet 2 of 4
Cummins Engine Company, Inc.
Page 3
OEM INTERFACES CM570 ELECTRONIC SUBSYSTEM TECHNICAL PACKAGE
Bulkhead Connector DIAGNOSTICS / CAB PTO / ALTERNATE PTO / IDLE / RSG / CRUISE: SET 14 DIAGNOSTICS / CAB PTO / ALTERNATE PTO / IDLE / RSG / CRUISE: RESUME 24 CRUISE ENABLE/ CAB PTO ENABLE / TOP2 ENABLE / IDLE ADJUST DISABLE / RSG ADJUST DISABLE 23 DIAGNOSTICS ENABLE / MANUAL SNAPSHOT 44 MAX ENGINE SPEED SWITCH 41 FAN ACCESSORY SWITCH 15 ACCELERATOR GOVERNOR SWITCH 25 EP SHUTDOWN OVERRIDE SWITCH 12 TACHOMETER 11 ENGINE BRAKE ISM1/ISX1 22 ENGINE BRAKE ISM2/ISX2 31 ENGINE BRAKE ISX3 32 CAB RETURN 1 9 CAB RETURN 2 10 STOP LAMP 6 WARNING LAMP 16 MAINTENANCE LAMP 5 KEYSWITCH 38 IDLE SHUTDOWN RELAY 35 Fuse Accelerator Assembly ACCELERATOR SUPPLY (+) 48 Idle Shutdown Position CAB ACCELERATOR POSITION 47 Relay Sensor ACCELERATOR SUPPLY RETURN 49 OFF IDLE SWITCH Idle 3 Validation ON IDLE SWITCH 13 Switches Service Brake 1
SERVICE BRAKE SWITCH
Ignition Bus
Dashboard Disconnect 14 24 23 44 41 15 25 12 11 22 31 32 9 10 6 16 5
Switched Bus
Clutch 2
CLUTCH SWITCH
ECM Key On, 5A
42
ACCELERATOR INTERLOCK SWITCH
Accelerator Interlock Battery Bus to Isolated ECM Switch Common
B+
KS
CM570 Electronic Subsystem Wiring Diagram - Sheet 3 of 4
Cummins Engine Company, Inc.
Page 4
OEM INTERFACES CM570 ELECTRONIC SUBSYSTEM TECHNICAL PACKAGE
Dashboard Dashboard Disconnect 14 24 23 44 41 15 25 12 11 22 31 32 9 10 6 16 5
DIAGNOSTICS / CAB PTO ALTERNATE PTO / IDLE RSG / CRUISE: SET
Set/Resume SET
DIAGNOSTICS / CAB PTO ALTERNATE PTO / IDLE RSG / CRUISE: RESUME
RESUME
PTO Additional
CRUISE ENABLE CC/PTO IDLE ADJUST DISABLE CAB & ALTERNATE PTO ENABLE RSG ADJUST DISABLE TOP2 ENABLE
On/Off
Diagnostics On/Off Isolated ECM Switch Common Source
DIAGNOSTICS ENABLE MANUAL SNAPSHOT
Max Engine Speed MAX ENGINE SPEED SWITCH
Fan Accessory
Stop FAN ACCESSORY SWITCH
Accelerator Governor
Warning
ACCELERATOR GOVERNOR SWITCH
EP Shutdown Override
Maintenance
EP SHUTDOWN OVERRIDE SWITCH
Keyswitch
Tachometer TACHOMETER
B+
KS
ENGINE BRAKE ISM1/ISX1 ENGINE BRAKE ISM2/ISX2 ENGINE BRAKE ISX3
See Engine Brake Switch Wiring Options
CM570 Electronic Subsystem Wiring Diagram - Sheet 4 of 4
Cummins Engine Company, Inc.
Page 5