NHTSA ID Number: 10115403
Manufacturer Communication Number: IK0800517
TSB/Document Date: 2017-08-16
Summary
Cummins
ISB Engine Remote Engine Speed Control with Feature 12XAT
IK0800517 Cummins ISB Engine Remote Engine Speed Control with Feature 12XAT
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RUSSIA, AUSTRALIA,
CANADA, UNITED
STATES, MEXICO
ISIS, FleetISIS, Body
Builder
Document
IK0800517
ID:
Revision:
2
ELECTRICAL SYSTEM
Created:
7/15/2015
English
Last
Modified:
12/8/2015
NONE
Author:
Al
Schnellenberger
534
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Title : Cummins ISB Engine Remote Engine Speed Control with Feature 12XAT
Applies To : Cummins ISB engines with feature code12XAT
Change Log
Please refer to the change log text box below for recent changes to this article:
12/08/2015 - Added note for Vehicle Speed Signal
12/07/2015 - Changed pin number descriptions, Under the Basic Remote Engine Speed Control Section, to signal
names to allow the wiring instructions to be used for both truck models
11/02/2015 - Added table for WorkStar pin outs. Labeled tables to show the difference between DuraStar and WorkStar
chassis pin outs.
07/15/2015 - Added CHANGE LOG and WARRANTY information
07/15/2015 - Changed 2.a. to read pin 6, to pin 10. Was from pin 6, to pin 11.
Description
Feature code 12XAT provides an engine interface connector (7207) to facilitate remote engine speed
control with Cummins ISB engines.
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IK0800517 Cummins ISB Engine Remote Engine Speed Control with Feature 12XAT
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Connector 7207 Location (Center of picture)
This interface connector does not provide a Vehicle
Speed Signal circuit. A vehicle Speed Signal is available at the TCM connector, on trucks with automatic
transmissions. Refer to the circuit diagrams for connector and pin information. A separate Vehicle Speed
Sensor or a sensor with 2 pigtails may need to be installed on trucks with a manual transmission, if a
Vehicle Speed Signal is required.
Pin to Circuit Cross Reference
DuraStar Chassis
7207 cavity
Circuit Number
ECM 6000 Pin
Signal Function
2
KR46A
19
Cruise Control/PTO Resume Switch
4
KR46B
12
Cruise Control/PTO Set Switch
5
KR97AR
30
Tachometer Signal
6
KC9C/KC9A
62
Signal Return
7
KP6C/KP6A
8
5 Volt Supply
8
KR99A
63
Remote Accelerator Pedal Signal
10
KR99B
90
Control PTO On/Off Switch
11
KR99C
94
Remote PTO On/Off Switch
12
KR99F
67
Remote Accelerator On/Off Switch
WorkStar Chassis
7207 cavity
Circuit Number
ECM 6000 Pin
Signal Function
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IK0800517 Cummins ISB Engine Remote Engine Speed Control with Feature 12XAT
Page 3 of 4
1
K99C
94
Remote PTO On/Off Switch
2
K46A
19
PTO Resume Switch
3
K99F
67
Remote Accelerator Enable Switch
4
K46B
12
PTO Set Switch
5
K97AR
30
Tachometer Signal
6
K97XG
66
Max Operating Speed /
Governor Type Switch
7
Plug
8
AB6C / AB6A
8
5v Supply
9
Plug
10
KC9C-G / KC9A-G
62
Signal Return
11
K97XC
70
Brake Pedal Position Switch 2 /
Rear Axle Ratio Switch
12
K99A
63
Remote Accelerator Pedal Signal
Service Parts Information
• Connector 7207 Terminal - 2503295C1 (Male Terminal)
• Connector 7207 Terminal - 2503296C1 (Female Terminal)
Tachometer Signal
Connector 7207 Pin 5 provides the tachometer signal from the ECM on both chassis models.
Basic Remote Engine Speed Control
There are 3 basic engine speed control configurations that use these circuits, Remote PTO, Remote
Station PTO, and Remote Accelerator.
1. Remote PTO uses a ground input on one circuit to control up to 5 preset speeds.
a. If the "Remote PTO" parameter is enabled, with INSITE, using a switch to apply a ground, from
the "Signal Return" pin, to the "Remote PTO On/Off Switch" pin, of the 7207 connector, will
make the engine ramp to the first preset.
b. As determined by the value of the "Remote PTO Number of Speed Settings" parameter, set
with INSITE, each successive toggle of the switch will increase the ramp to the next
programmed preset speed.
c. Flipping the switch off, therefore removing the ground, will return the engine speed to idle.
2. Remote Station PTO uses ground inputs on several circuits to control up to 3 preset speeds or
provide variable ramping. This mimics the cruise switch functionality in the cab.
a. If the "Remote Station PTO" parameter is enabled, with INSITE, using a switch to apply a
ground, from the "Signal Return" pin, to the "Control PTO On/Off Switch", of the 7207
connector, will enable the remote engine speed control.
b. Using a 3 position center stable switch to apply a momentary ground to the "Cruise
Control/PTO Resume Switch" pin or the "Cruise Control/PTO Set Switch" pin, of the 7207
connector, will make the engine ramp up or down.
c. The engine ramping will either step through the three presets or ramp variably, depending on
the parameters settings, configured with INSITE.
3. Remote Accelerator
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IK0800517 Cummins ISB Engine Remote Engine Speed Control with Feature 12XAT
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a. If the "Remote Accelerator" parameter is enabled, with INSITE, using a switch to apply a
ground, from the "Signal Return" pin, to the "Remote Accelerator On/Off Switch" pin , of the
7207connector, will enable the remote accelerator.
b. The remote pedal or potentiometer has to be connected to the "Signal Return" pin, the "5 Volt
Supply" pin and the "Remote Accelerator Pedal Signal", in the appropriate configuration, to
provide a varying voltage, to the "Remote Accelerator Pedal Signal" pin, that increases as the
pedal is pressed or the potentiometer is turned.
c. If the remote accelerator is enabled, by the signal at the "Remote Accelerator On/Off
Switch" pin, the engine speed should respond to the increase in voltage at the "Remote
Accelerator Pedal Signal" pin.
Other Resources
Refer to Cummins manual, CM2350 Electronic Subsystem Technical Package - Body Builders Guide AEB
15.142, for additional circuit connection and ECM programming requirements.
For the typical ranges and Cummins default settings, of these programmable parameters, please contact
your Cummins Application Engineer or refer to the OEM Programmable Parameters Table for this engine.
Warranty Information
Warranty Claim Coding:
Group: 08524 - Remote Engine Speed Control
Noun: 940 - Harness, PDM Distribution
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Copyright © 2016 Navistar, Inc.
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TSB/Document ID: IK0800517
Replacement Service Bulletin Number:
MFR Communication Date: 2015-12-08
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE
MFR Component System:
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