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Section VII – Wiring Diagrams QSB WIRING DIAGRAM
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AEB15.44 Page 18 of 54
QSC WIRING DIAGRAM
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AEB15.44 Page 20 of 54
QSM11 WIRING DIAGRAM
* Engine Brake Select 1 shares pin 22 w/ Multi-Unit Sync * Engine Brake Select 2 shares pin 31 w/ Multi-Unit Sync
* Pin 30 on the 31-pin OEM connector is Alternate Torque Select Switch 2 * Pin 44 on the Actuator Conn. is Engine Brake Driver 1 and pin18 is Engine Brake Driver
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AEB15.44 Page 25 of 54
Pin Mapping QSB - OEM 50 Pin connector Pin
Pinout Type
Signal Name
1 2 3
600 mA current sink to ground 600 mA current sink to ground 600 mA current sink to ground
Stop Lamp Water In Fuel Lamp Diagnostic Lamp
Engine Protection/Diagnostics Water-In-Fuel Diagnostics
4
600 mA current sink to ground
Maintenance Lamp
Diagnostics
5
600 mA current sink to ground
Dual Output Driver A
7
Cruise Control/ISC Increment
8 9 10
<50 ohm Closed, 50Kohm Open Cruise Control/ISC Increment/ ISC Resume Vehicle/Tail Shaft Speed Sensor Vehicle Speed Sensor Positive Input Remote Throttle Sensor Remote Throttle Analog Input Remote throttle (VsensorB) Remote Throttle +5Vdc
11 12
600 mA current sink to ground Frequency Output
Intake Air Heater/Grid Heater Tachometer
13
<50 ohm Closed, 50Kohm Open Cruise Set/ISC Decrement
14
<50 ohm Closed, 50Kohm Open Cruise On/Off
15
Wait to Start Lamp Tachometer Out (Logic Level)
Feature
Dual Outputs
Vehicle Speed Remote Throttle Remote Throttle
Cruise Control/ISC Decrement Cruise Control
Reserved
16
<50 ohm Closed, 50Kohm Open Fan Clutch Switch Inputs
17 18
<50 ohm Closed, 50Kohm Open Boost Power Request Switch Vehicle Speed Sensor Vehicle Speed Sensor Negative Input
19 20
Ground Ground
21 22 23
3 amps
24 25 26
50 ohm Closed, 50Kohm Open 125 ohm Closed, 50 Mohm Open <125 ohm Closed, 50 Mohm Open <50 ohm Closed, 50Kohm Open <50 ohm Closed, 50Kohm Open +5 Vdc supply
Multi-Unit Sync On/Off Switch Input Off Idle Switch On Idle Switch Clutch Switch Input ISC 1 Switch Throttle\Potentiometer +5 Vdc
Exhaust Brakes Intermediate Speed Control Throttle
30 31 32
Throttle Position Sensor 1 amp, Hi side Drive
Throttle Position Input Signal Cold Starting Aid Relay 2 Reserved
Throttle Intake Air Heater/Grid Heater
33 34 35 36
<50 ohm Closed, 50Kohm Open Brake Switch Exhaust Brakes <50 ohm Closed, 50Kohm Open Exhaust Brake On/Off Switch Exhaust Brakes <50 ohm Closed, 50Kohm Open Idle and Diagnostic Increment Switch Diagnostics, Low Idle Gov. <50 ohm Closed, 50Kohm Open Idle and Diagnostic Decrement Switch Diagnostics, Low Idle Gov., ISC
37
<50 ohm Closed, 50Kohm Open Test (Diagnostic) On/Off Switch
27 28 29
Throttle Return Remote Throttle Return
Dedicated PWM Output Reserved <50 ohm Closed, 50Kohm Open ISC 3 / ISC Validation Switch
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Fan Clutch Boost Power Vehicle Speed Throttle Remote Throttle Dedicated PWM Intermediate Speed Control Multi-Unit Sync Idle Validation Idle Validation
Diagnostics
AEB15.44 Page 26 of 54
38
<50 ohm Closed, 50Kohm Open Multi-Unit Sync Complementary Switch
39
A/D Input
Alternate Torque Derate Switch Input
40 41 42 43
Water In Fuel Sensor 1 amp, Hi side drive
Water In Fuel Sensor Cold Starting Aid Relay1 Reserved A/C Pressure Switch
44
<50 ohm Closed, 50Kohm Open Alternate Idle Speed Switch Input
45 46 47 48
<50 ohm Closed, 50Kohm Open Switch (Pulled up) <50 ohm Closed, 50Kohm Open A/D Input
Remote Throttle On/Off Switch Aux. Governor On/Off Switch ISC 2 Switch OEM Pressure Sensor
49 50
Datalink Datalink
J1708/J1587 Datalink + J1708/J1587 Datalink -
<125 ohm Closed, 50 Mohm Open
QSC/QSL9 - OEM 50 Pin connector Pin Pinout Type
Signal Name
1 2 3 4 5 7 8
600 mA current sink to ground 600 mA current sink to ground 600 mA current sink to ground 600 mA current sink to ground 600 mA current sink to ground <50 ohm Closed, 50Kohm Open Vehicle/Tail Shaft Speed Sensor
Stop Lamp Water in Fuel Lamp Diagnostic Lamp Maintenance Lamp Dual Output Driver A CC/ISC Resume Switch Input Vehicle Speed Sensor + Input
9
Remote Throttle Sensor
Remote Throttle Pedal Position Input
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
Remote throttle (VsensorB) 600 mA current sink to ground Frequency Output Switch (Pulled up) <50 ohm Closed, 50Kohm Open
Remote Throttle +5VDC Wait to Start Lamp Tachometer Output (Logic Level) CC/ISC Set /Coast Switch Input CC/On-OFF Switch Input Reserved Fan Clutch Switch Input Boost Power Request Switch Vehicle Speed Sensor - Input Throttle Return Remote Throttle Return Dedicated PWM Output Reserved ISC 3 / ISC Validation Multi-Unit Sync On/Off Switch Off Idle Sw
<50 ohm Closed, 50Kohm Open <50 ohm Closed, 50Kohm Open Vehicle Speed Sensor Ground Ground 3 amps <50 ohm Closed, 50Kohm Open 50 ohm Closed, 50Kohm Open 125 ohm Closed, 50 Mohm Open
Cummins Confidential
Multi-Unit Sync Alternate Torque Water-In-Fuel Intake Air Heater/Grid Heater Fan Clutch Alternate Idle Remote Throttle Auxiliary Speed Governor Intermediate Speed Control OEM Pressure J1587 Datalink J1587 Datalink
Feature Engine Protection/Diagnostics Water-In-Fuel Diagnostics Diagnostics Dual Outputs Cruise Control/ISC Increment Vehicle Speed Remote Throttle Remote Throttle Intake Air Heater/Grid Heater Tachometer Cruise Control/ISC Decrement Cruise Control Fan Clutch Boost Power Vehicle Speed Throttle Remote Throttle Dedicated PWM Intermediate Speed Control Multi-Unit Sync Idle Validation
AEB15.44 Page 27 of 54
26
<125 ohm Closed, 50 Mohm Open
27 28 29 30 31 32 33 34
<50 ohm Closed, 50Kohm Open <50 ohm Closed, 50Kohm Open +5 Vdc supply Throttle Position Sensor 1 amp, Hi side Drive
35 36
<50 ohm Closed, 50Kohm Open Idle/Diag Increment Switch Input <50 ohm Closed, 50Kohm Open Idle/Diag Decrement Switch Input
37 38
<50 ohm Closed, 50Kohm Open Diagnostic On/Off Switch Input <50 ohm Closed, 50Kohm Open Multi-Unit Sync Complementary Switch
39
A/D Input
Alternate Torque Derate Switch Input
40 41 42 43
Water In Fuel Sensor 1 amp, Hi side drive
Water In Fuel Cold Start Aid Relay 1 Reserved AC Pressure Switch
44 45 46
<50 ohm Closed, 50Kohm Open Alternate Idle Switch <50 ohm Closed, 50Kohm Open Remote Throttle On/Off Input Switch (Pulled up) Aux. Governor On/Off Input
47 48 49 50
<50 ohm Closed, 50Kohm Open A/D Input Datalink Datalink
H J L M N O
Idle Validation
Clutch Switch Input ISC 1 Switch Input V Throttle +5VDC Throttle Pos Input Signal Cold Start Aid Relay 2 Reserved <50 ohm Closed, 50Kohm Open Brake Switch Input <50 ohm Closed, 50Kohm Open Exhaust Brake On/Off Switch Input
<125 ohm Closed, 50 Mohm Open
QSB/QSC/QSL9 - OEM 23 Pin Connector Pin Pinout Type A B C D E F G
On Idle Sw
Switched Pulldown Input ECM Supply (+) ECM Supply (+) ECM Supply (+) ECM Supply (-) ECM Supply (-) Variable Intermediate Speed Sensor ECM Supply (-) Source Driver Output 10V Switched Pullup Input ECM Supply (+) PWM Source Driver 10V Switched Pullup Input
ISC 2 Switch Input OEM Pressure Sensor Input J1708/J1587 Datalink + J1708/J1587 Datalink -
Exhaust Brakes Intermediate Speed Control Throttle Throttle Intake Air Heater/Grid Heater Exhaust Brakes Exhaust Brakes Diagnostics, Low Idle Gov. Diagnostics, Low Idle Gov. Diagnostics Multi-Unit Sync Alternate Torque Water-In-Fuel Intake Air Heater/Grid Heater Fan Clutch Alternate Idle Remote Throttle Auxiliary Speed Governor Intermediate Speed Control OEM Pressure J1587 Datalink J1587 Datalink
Signal Name
Feature
Vehicle Key Switch Input Unswitched Battery Supply Unswitched Battery Supply Unswitched Battery Supply Battery Ground Battery Ground Variable Intermediate Speed Signal
All All All All All All
Battery Ground Dual Output ‘B’ Signal Multi Unit Synch On/Off Slave Signal Unswitched Battery Supply Fan Control Signal Exhaust Brake Signal
All Dual Outputs Multiple Unit Synchronization All Electronic Fan Clutch Exhaust Brake
Cummins Confidential
AEB15.44 Page 28 of 54
P Q R S T U V W X
ECM Supply (-) ECM Switch Return ECM Supply (+) ECM Switch Return 5V Switched Pullup input 10V Switched Pullup Input ECM Supply (-)
QSM11/QSX15 - OEM 50 Pin connector Pin Pinout Type
Battery Ground Frequency Throttle Input Return Unswitched Battery Supply Return OEM Switch Signal Droop Adjust Signal Battery Ground User Datalog Signal
Auxiliary Speed Governor Switchable Torque Base Throttle Frequency Throttle Intake Air Heater Real-Time Clock Water-In-Fuel Maintenance Monitor Diagnostics Engine Protection All All All All All Tachometer
AXG On/Off Switch Alternate Torque Switch Off Idle Switch
4 5
Switched Sink Driver Output Switched Sink Driver Output
Wait-To-Start Lamp Maintenance Lamp
6
Switched Sink Driver Output
Stop Lamp
7 8 9 10 11
ECM Supply (+) ECM Supply (+) ECM Switch Return ECM Switch Return Tachometer Source Driver Output 10V Switched Pullup Input IVS 10V Switched Pullup Input
ECM Supply (+) ECM Supply (+) Panel Return 1 Panel Return 2 Tachometer
10V Switched Pullup Input F MULTIFUNCTION pinout
15 16
10V Switched Pullup Input Switched Sink Driver Output
17 18 19 20 21
ECM Supply (+) ECM Supply (+) ECM Switch Return ECM Switch Return APS Ratiometric Analog Input F RECONFIGURABLE pinout 10V Switched Pullup Input
22 23 24
10V Switched Pullup Input 10V Switched Pullup Input F MULTIFUNCTION pinout
Switched Outputs Alternate Droop All
Feature
10V Switched Pullup Input 10V Switched Pullup Input IVS 10V Switched Pullup Input
14
All
Signal Name
1 2 3
12 13
All Frequency Throttle
EP Shutdown Override Switch On Idle Switch Diagnostics Increment ISC Increment Idle Increment Fan Accessory Switch Warning Lamp ECM Supply (+) ECM Supply (+) MUS ID Return Remote Return Remote Throttle Position Variable ISC MUS ID1 Engine Brake Select 1 ISC Switched Speed 1 Diagnostics Decrement ISC Decrement Cummins Confidential
Engine Protection Base Throttle Frequency Throttle Diagnostics Intermediate Speed Control Low Idle Governor Electronic Fan Clutch Diagnostics Low Idle Shutdown All All Multiple Unit Synchronization Remote Throttle Remote Throttle Intermediate Speed Control Multiple Unit Synchronization Engine Brakes Intermediate Speed Control Diagnostics Intermediate Speed Control
AEB15.44 Page 29 of 54
25 26 27 28 29 30 31
10V Switched Pullup Input J1587 Datalink (+) J1587 Datalink (-) ECM Supply (+) ECM Supply Return ECM Supply Return 10V Switched Pullup Input
32
10V Switched Pullup Input
33
45 46 47 48
10V Switched Pullup Input F RECONFIGURABLE pinout 10V Switched Pullup Input Switched Source Driver Output J1939 Datalink Shield J1939 Datalink (-) Switched Pulldown Input ECM Supply Return ECM Supply Return 10V Switched Pullup Input 10V Switched Pullup Input 10V Switched Pullup Input 10V Switched Pullup Input F MULTIFUNCTION pinout 10V Switched Pullup Input J1939 Datalink (+) APS Ratiometric Analog Input APS 5V Sensor Voltage Source
Idle Decrement ISC Switched Speed 2 J1587 Datalink (+) J1587 Datalink (-) ECM Supply (+) ECM Supply Return ECM Supply Return MUS ID2 Engine Brake Select 2 MUS ID3 Engine Brake Select 3 (QSX15) ISC Switched Speed 3 ISC Validation MUS On/Off Validation Idle Shutdown Relay J1939 Datalink Shield J1939 Datalink (-) Keyswitch ECM Supply Return ECM Supply Return Alternate Droop Switch MUS On/Off Switch Remote Throttle Switch Diagnostics Enable Manual Snapshot Alternate Low Idle Switch J1939 Datalink (+) Base Throttle Position Throttle Supply (+)
49
ECM Switch Return
Throttle Supply Return
50
ECM Supply Return
ECM Supply Return
Low Idle Governor Intermediate Speed Control J1708/J1587 Datalink J1708/J1587 Datalink All All All Multiple Unit Synchronization Engine Brakes Multiple Unit Synchronization Engine Brakes (QSX15) Intermediate Speed Control Intermediate Speed Control Multiple Unit Synchronization Low Idle Shutdown J1939 Datalink J1939 Datalink All All All Alternate Droop Multiple Unit Synchronization Remote Throttle Diagnostics User-Activated Datalogger Switchable Low Idle All Base Throttle Base Throttle Remote Throttle Intermediate Speed Control Base Throttle Remote Throttle Intermediate Speed Control All
34 35 36 37 38 39 40 41 42 43 44
QSM11/QSX15 - OEM 31 Pin connector Pin
Pinout Type
Signal Name
Feature
1 2 3
5V Sensor Voltage Source Ratiometric Analog Input ECM Switch Return
not used not used OEM Temperature Return
4
Resistive Analog Input
OEM Temperature
5 6 7 8 9
5V Switched Pullup Input 5V Switched Pullup Input 5V Sensor Voltage Source Switched Source Driver Output Switched Source Driver Output
Coolant Detected Coolant Not Detected Coolant Level Supply (+) Switched Output B Engine Speed
none none Switched Outputs Electronic Fan Clutch Switched Outputs Electronic Fan Clutch Engine Protection Engine Protection Engine Protection Switched Outputs PWM Dedicated Output
Cummins Confidential
AEB15.44 Page 30 of 54
F RECONFIGURABLE pinout 10 11 12 13 14 15 16 17 18 19 20 21 22
23 24 25 26 27 28 29 30 31
Switched Source Driver Output ECM Solenoid Return Switched Source Driver Output ECM Solenoid Return 5V Sensor Voltage Source Hall Effect Input ECM Switch Return 10V Switched Pullup Input ECM Switch Return ECM Switch Return Switched Sink Driver Output Variable Reluctance Input (+) F RECONFIGURABLE pinout Variable Reluctance Input (-) F RECONFIGURABLE pinout
Resistive Analog Input ECM Switch Return 10V Switched Pullup Input not connected Switched Source Driver Output ECM Switch Return Switched Source Driver Output 5V Switched Pullup Input 5V Switched Pullup Input
Engine Torque Commanded Throttle Intake Air Heater Solenoid Return Fan Clutch Fan Clutch Return not used not used SE Return AC Pressure Switch AC Pressure Return Coolant Level Return not used Shaft Speed (+) Shaft Speed (-) Frequency Throttle (+) Transmission Synch (+) not used spare not used not used Switched Output A OEM Switch Return not used Alternate Torque Select OEM Switch
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PWM Dedicated Output PWM Dedicated Output Intake Air Heater Switched Outputs Electronic Fan Clutch Electronic Fan Clutch none none various features PWM Dedicated Output Electronic Fan Clutch Electronic Fan Clutch none Auxiliary Governor Switched Outputs Auxiliary Governor Switched Outputs Frequency Throttle Transmission Synchronization none as required none none Switched Outputs Switched Outputs none Alternate Torque Switched Outputs
