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康明斯发动机通讯协议及诊断.pdf
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Quantum系列引擎的诊断和串行通信技术包是为了帮助原始设备制造商将Quantum引擎集成到他们的设备中。此技术包包括Quantum引擎支持的诊断代码以及支持的J1587和J1939消息。
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Application
Engineering
Bulletin
Subject This AEB is for the following applications:
Datalinks and Diagnostics
Automotive Industrial Power Generation
Date April 2001 Page 1 of 64 AEB Number 15.43
Engine Models included:
Fuel Systems included:
Introduction
The Quantum Diagnostic and Serial Communication Technical Package was written to assist OEMs in integrating
Quantum engines into their equipment. This technical package includes the diagnostic codes supported by the
Quantum engines as well as the J1587 and J1939 messages supported.
Refer to the following other Industrial AEB’s:
AEB 15.40 – Electronic Features
AEB 15.42 – OEM Components and Interfaces
AEB 15.44 – Installation Recommendations
Authors: Scott Decker, Michael L. Hill, Brian Landes, Stewart Sullivan, Tiffany Walker
AEB15.43
Page 2 of 64
Table of Contents
Introduction .........................................................................................................................................1
Table of Contents.................................................................................................................................2
Section I – Quantum Diagnostics......................................................................................................3-5
Advanced Diagnostics...................................................................................................................3-5
Onboard Diagnostics .................................................................................................................... 3-4
Offboard Diagnostics .......................................................................................................................5
Section II ECM Serial Communications.................................................................................... 6-39
Quantum Serial Communications................................................................................................6-35
Introduction .....................................................................................................................................6
Applicable SAE Documents........................................................................................................... 6-7
Applicable Cummins Documents.......................................................................................................7
J1939 Installation Information ........................................................................................................ 7-9
1. Mandatory EA (datalink) options for QSM11 and QSX15..........................................................7
2. J1939...................................................................................................................................7
3. Cabling.................................................................................................................................8
4. Connections..........................................................................................................................8
5. J1939 Cable and Connector Suppliers ....................................................................................9
J1587 Installation Information ......................................................................................................... 12
1. Cabling............................................................................................................................... 12
2. Connections........................................................................................................................ 12
3. J1587 Cable and Connectors Supplier.................................................................................. 12
Messages Supported on Quantum Modules .................................................................................... 14
1. Messages Supported on J1939 ....................................................................................... 14-15
2. PIDS Supported on J1587 ................................................................................................... 32
Network Utilization..................................................................................................................... 36-39
J1939 Network Utilization.......................................................................................................... 36-39
Section III – Diagnostics Supported over Quantum Datalinks............................................................40
Supported Messages and Source Addresses for Clearing Faults...................................................40
Frequently Asked Questions on Cummins Datalinks................................................................. 40-41
Figure 1 – Typical J1939 Topology for On-Highway Applications......................................................10
Figure 2 – Typical J1939 Topology for Construction/Agriculture Applications..................................11
Figure 3 – Example of J1587 Topology ..............................................................................................13
Table 1 – Messages Supported on J1939...................................................................................... 16-29
Table 2 – Cummins Specific Information for PGN 65229 (DM4)..........................................................31
Table 3 – PIDS Supported on J1587.............................................................................................. 33-36
Table 4 – J1939 Messages N0n-multiplexed – vs- Multiplexed..........................................................38
Table 5 – Fault Codes for Quantum Engines................................................................................. 42-64
AEB15.43
Page 3 of 64
Section I – Quantum Diagnostics
Advanced Diagnostics
Advanced diagnostics are included to make Quantum engines straightforward to repair and service. Diagnostic
examination of a fault or maintenance condition can occur through onboard or offboard systems.
Onboard Diagnostics
• Extensive fault detection fault capability within the ECM
• Flash out of fault codes
• Fault lamps located on the cab dash to indicate warning/stop
• Maintenance lamp
Offboard Diagnostics
• INSITE a windows-based PC service tool for Cummins Quantum engines. It is used to help troubleshoot and
repair the Quantum engines. This tool is capable of doing diagnostics and programming.
Onboard Diagnostics
1. Fault Detection
Faults are detected while the key switch is on, during the operation of the machine itself. If a fault becomes active
(currently detected) at this time, a fault is logged in memory and a snapshot of engine parameters is logged. In
addition, certain faults may illuminate the warning lamp (amber) or the stop lamp (red), the maintenance lamp or
WIF lamp depending on the severity of the active fault.
2. Flash Out of Fault Codes
Fault flash out mode can be entered through the use of a diagnostic switch or the accelerator pedal. To enter the
fault flash out the key switch must be on with the engine not running. When a diagnostic switch is used to enter
the mode, the ECM will automatically flash the first fault code after the switch is turned on. The diagnostic
increment/ decrement is used to sequence forward or backwards through the active faults. To enter fault flash out
mode using the accelerator pedal, the pedal must be cycled from 0 to 100% 3 times. Once in diagnostic mode,
cycling the accelerator pedal will sequence forward through the active faults. The diagram below depicts the
pattern of the fault code flash out scheme as indicated by the stop lamp.
Example Fault Code Sequences
STOP
WARNING
STOP
WARNING
Maintenance
STOP
WARNING
Maintenance
STOP
WARNING
Maintenance
STOP
WARNING
Maintenance
1 Blink
2 Blinks
4 Blinks
4 Blinks
1 Blink
Fault Code 244:
P = Pause
STOP
WARNING
Maintenance
STOP
WARNING
Maintenance
STOP
WARNING
Maintenance
STOP
WARNING
Maintenance
STOP
WARNING
Maintenance
1 Blink
1 Blink
1 Blink
2 Blinks
1 Blink
Fault Code 112:
P
P
P
P
P
P
P
P
Maintenance
AEB15.43
Page 4 of 64
3. Fault Lamps
The Quantum systems use up to five indicator lamps with one of the lamps serving two functions: the stop lamp,
the warning lamp, the maintenance lamp/engine protection lamp (all engine families use one of these lamps, but
not both), wait-to-start lamp, and a water-in-fuel lamp. If the key switch is turned on but the diagnostic switch
remains off, the indicator lamps will illuminate for approximately two seconds and then go off, one after the other,
to verify they are working and wired correctly. See illustration below where they are all on and then go off one at
a time.
Warning Lamp - All Quantum Engines - The warning lamp provides important operator messages. These
messages require timely operator attention. The warning lamp is also used to delineate diagnostics fault codes.
Stop Lamp - All Quantum Engines - The stop lamp provides critical operator messages. These messages
require immediate and decisive operator response. The stop lamp is also used to flash out diagnostic fault codes.
Wait-to-Start Lamp - QSB/C/L, QSM11, QSX15, QST30 - The wait-to-start lamp indicates that the pre-start
intake manifold heater warm-up sequence is active. An OEM-supplied grid heater will automatically heat the
intake manifold when needed prior to engine starting. Intake manifold heating improves engine starting in cold
temperatures and reduces white smoke.
Water-in-Fuel (WIF) Lamp - QSB/C/L - The water-in-fuel lamp indicates there is water in the fuel. When the
lamp is illuminated the vehicle driver/operator should release the water from the fuel filter.
Maintenance Lamp - QSB/C/L, QSM11, QSX15 - Upon ECM power up the maintenance lamp will flash when it
is time to change the oil. It also will illuminate during engine operation when certain lower priority faults are
present.
Engine Protection Lamp - QSK19/45/60, QST30 - The engine protection lamp will illuminate when an engine
protection fault is present. It is possible, through OEM wiring, to configure the system to use the red/stop lamp for
engine protection faults. This is done through wiring the red lamp to both the red/stop lamp input and the engine
protection lamp input on the ECM. If the engine protection lamp signal is being used to control other functions
such as the vehicle propel circuit, a diode must be inserted in the circuit.
Optional - 2 Lamp Strategy - QSK19/45/60 - The Optional 2-lamp strategy will eliminate the Engine Protection
(white) Lamp. Therefore, the operator will only have a warning (yellow) and stop (red) lamp on the dashboard.
All of the faults that were mapped to the Engine protection lamp will become annunciated through the stop (red)
lamp. This change will only affect the wiring of the fault lamps and not the software or calibration. See wiring
below.
P = Pause
P
STOP
WARNING
STOP
WARNING
Maintenance
STOP
WARNING
STOP
Fault Lamp Sequence
WARNING
Maintenance Maintenance Maintenance
AEB15.43
Page 5 of 64
Optional 2-Lamp Strategy Wiring
Offboard Diagnostics
INSITE is the windows-based PC service/programming/diagnostic tool for Cummins Quantum engines. It is used
to help troubleshoot and repair the Quantum engines with extended fault diagnostics and processing power.
INSITE allows the user to view active and inactive faults and clear the inactive faults. It provides a monitor
function that allows the service technician to monitor measured parameters, actuator status and some calculated
values. It also provides the technician with the capability to turn on certain drivers such as the grid heaters and lift
pump as well as running diagnostic tests such as single cylinder cutout. Currently, Insite capability is different per
each Quantum engine. Therefore, the examples mentioned are only applicable to certain engine families.
To Vehicle
Propel Circuit
(when used)
Diagnostic
Switch
To Ground
ConnectionPower
Engine ECU
Stop Lamp Drive
Warning Lamp
Drive
Engine Protection
Lamp Drive
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