Wiring Diagrams: Cummins QSB, QSC & QSM11 — Pin Mapping Guide (EN)

AEB15.44 Page 17 of 54 Cummins Confidential Section VII – Wiring Diagrams QSB WIRING DIAGRAM

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AEB15.44 Page 18 of 54 Cummins Confidential QSC WIRING DIAGRAM

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AEB15.44 Page 20 of 54 * Engine Brake Select 1 shares pin 22 w/ Multi-Unit Sync * Pin 30 on the 31-pin OEM connector is Alternate Torque Select Switch 2 * Engine Brake Select 2 shares pin 31 w/ Multi-Unit Sync * Pin 44 on the Actuator Conn. is Engine Brake Driver 1 and pin18 is Engine Brake Driver Cummins Confidential QSM11 WIRING DIAGRAM

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AEB15.44 Page 25 of 54 Pin Mapping QSB - OEM 50 Pin connector Cummins Confidential Pin Pinout Type Signal Name Feature 1 600 mA current sink to ground Stop Lamp Engine Protection/Diagnostics 2 600 mA current sink to ground Water In Fuel Lamp Water-In-Fuel 3 600 mA current sink to ground Diagnostic Lamp Diagnostics 4 600 mA current sink to ground Maintenance Lamp Diagnostics 5 600 mA current sink to ground Dual Output Driver A Dual Outputs 7 Cruise Control/ISC Increment/ ISC Resume Cruise Control/ISC Increment 8 Vehicle/Tail Shaft Speed Sensor Vehicle Speed Sensor Positive Input Vehicle Speed 9 Remote Throttle Sensor Remote Throttle Analog Input Remote Throttle 10 Remote throttle (VsensorB) Remote Throttle +5Vdc Remote Throttle 11 600 mA current sink to ground Wait to Start Lamp Intake Air Heater/Grid Heater 12 Frequency Output Tachometer Out (Logic Level) Tachometer 13 Cruise Set/ISC Decrement Cruise Control/ISC Decrement 14 Cruise On/Off Cruise Control 15 Reserved 16 Fan Clutch Switch Inputs Fan Clutch 17 Boost Power Request Switch Boost Power 18 Vehicle Speed Sensor Vehicle Speed Sensor Negative Input Vehicle Speed 19 Ground Throttle Return Throttle 20 Ground Remote Throttle Return Remote Throttle 21 3 amps Dedicated PWM Output Dedicated PWM 22 Reserved 23 ISC 3 / ISC Validation Switch Intermediate Speed Control 24 50 ohm Closed, 50Kohm Open Multi-Unit Sync On/Off Switch Input Multi-Unit Sync 25 125 ohm Closed, 50 Mohm Open Off Idle Switch Idle Validation 26 On Idle Switch Idle Validation 27 Clutch Switch Input Exhaust Brakes 28 ISC 1 Switch Intermediate Speed Control 29 +5 Vdc supply Throttle\Potentiometer +5 Vdc Throttle 30 Throttle Position Sensor Throttle Position Input Signal Throttle 31 1 amp, Hi side Drive Cold Starting Aid Relay 2 Intake Air Heater/Grid Heater 32 Reserved 33 Brake Switch Exhaust Brakes 34 Exhaust Brake On/Off Switch Exhaust Brakes 35 Idle and Diagnostic Increment Switch Diagnostics, Low Idle Gov.

36 Idle and Diagnostic Decrement Switch Diagnostics, Low Idle Gov., ISC 37 Test (Diagnostic) On/Off Switch Diagnostics

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