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Message Identifiers (MIDs)

Brake-Link™ Meritor WABCO ABS Application  103

Message Identifiers (MIDs)

Messages are transmitted between various devices in the vehicle using a pathway 
called the Serial Data Link (SDL). Because there are many devices in use in 
various applications, the Society of Automotive Engineers (SAE) and the 
American Trucking Association (ATA) have assigned a code number to help 
identify each device. These code numbers are called Message Identification 
numbers, or MIDs. When a device is sending a message on the SDL, part of the 
message is the device’s MID.

The following table lists all the MIDs for brake systems.

MID

SAE Description

136

Brakes, Power Unit

137

Brakes, Trailer #1

138

Brakes, Trailer #2

139

Brakes, Trailer #3

TABLE A.1

Brake System MIDs

Summary of Contents for Brake-Link

Page 1: ...Brake Link Meritor WABCO ABS Application ...

Page 2: ... in accordance with the terms of such license The content of this manual is furnished for informational use only is subject to change without notice and should not be construed as a commitment by IDSC Holdings LLC IDSC Holdings LLC assumes no responsibility or liability for any errors or inaccuracies that may appear in this book Except as permitted by such license no part of this publication may b...

Page 3: ...s 3 Using This Manual 4 Specialized Text 4 Navigation Icons 4 General Icons 5 Connecting Brake Link Components 6 Navigating Brake Link 9 Home Button 9 Enter Button 9 Menu Buttons 10 Direct Access Buttons 11 COMM Buttons 11 MODE AXLE SIDE Buttons 12 COMPONENT Buttons 12 Other Buttons 12 Light Emitting Diodes LEDs 13 ...

Page 4: ...ng a Protocol 20 Using the Meritor WABCO ABS Application 27 ECU Information 27 Faults 33 Viewing Existing Faults 34 Viewing Stored Faults 41 Clearing Stored Faults 48 Data List 53 Tests 59 Test Warning Lamp 60 Test Valves 63 Test Sensors 67 Test Retarder Relay 50 Test Retarder Datalink 52 Test Engine Datalink 54 ...

Page 5: ...sing the Meritor WABCO ABS Application 64 ECU Information 64 Faults 69 Viewing Existing Faults 69 Viewing Stored Faults 76 Clearing Stored Faults 80 Data List 85 Tests 89 Test Warning Lamp 89 Test Valves 91 Test Sensors 94 Modify 97 Appendix A Diagnostic Fault Codes 101 Message Identifiers MIDs 103 Subsystem Identifiers SIDs 104 ...

Page 6: ...vi Brake Link Meritor WABCO ABS Application ...

Page 7: ...ting Brake Link page 9 Brake Link is a hand held diagnostic tool primarily designed to troubleshoot heavy duty vehicle braking systems It also provides a variety of utilities and configuration options As such the documentation includes a set of task oriented operator s manuals this manual details the Meritor WABCO Easy Stop and Enhanced Easy Stop Trailer ABS Controller Diagnostic Application ...

Page 8: ...s the Meritor WABCO ABS Ap plication the connection and navigation sections are specific to the Meritor WABCO ABS Application Refer to the Introducing Brake Link Operator s Manual for A list of safety warnings and cautions An overview of the documentation A formal introduction to Brake Link General Brake Link connection instructions General navigation information GENERIC PLC TEST and RP1210A PC LI...

Page 9: ...cle has an automatic parking brake release temporarily disconnect the release mechanism Also block the drive wheels before performing a test with the engine running Unless otherwise directed turn the ignition switch OFF before discon necting or connecting any electrical components Read and understand the user manual for your iPAQ Pocket PC as well as this manual before operating your Brake Link NE...

Page 10: ...r the manual instructs you to select from a list of menu items it presents the desired choice with the formatting you see here e g From the main menu select J1708 J1587 BUS Screen titles Once you select a menu item Brake Link presents the selected item s screen A screen may display information or present an other list of menu items The screen title appears in bolded type e g From the Protocol Sele...

Page 11: ...dulators via buttons navigation General Icons This manual also presents icons that denote specific types of peripheral information Troubleshooting Tips help you diagnose or anticipate potential issues ä Caution Tips help you avoid injury or prevent damage to the Brake Link ...

Page 12: ...o use with this application depends on Whether the tractor is connected to the trailer Whether the trailer ECU supports Enhanced Power Line Carrier PLC Mode Do you know what Enhanced PLC Mode is Older brake ECUs transmit diagnostic information over the J1708 Bus only accessing both tractor and trailer brake ECUs requires independent connections Newer ECUs offer Enhanced PLC Mode they can send diag...

Page 13: ...not Figure 1 2 shows how to connect Brake Link components for standard ABS diagnostics MERITOR WABCO ABS Are you testing the Connect to the Trailer Only If the ECU supports Enhanced PLC Mode connect to the J560 Power Line otherwise connect to the Deutsch Tractor Trailer Together If the trailer ECU supports Enhanced PLC Mode connect to either tractor or tailer Deutsch If it doesn t connect to the t...

Page 14: ...0 PLC Cable Set 3 Attach the vehicle interface cable to the vehicle If you re using the J560 PLC Cable Set plug into the power line connector on the outside of the trailer If you re using the Deutsch Adapter plug into the Deutsch connector typi cally located under the dash on the driver s side beside the driver s seat or near the brake ECU on the trailer NOTE i The trailer ECU must support Enhance...

Page 15: ...pecific Brake Link options directly This section provides an overview of button functionality The procedure discus sions specify which buttons to push and when Home Button Use the button to return to the Select Application screen NOTE i This button does not function if the screen displays ENTER TO CONTINUE Enter Button Use the button to select a menu item confirm a response or instruct Brake Link ...

Page 16: ... through the menu screens When the LCD displays a list of options Press the or keys to scroll through the available options NOTE i A dashed line displays after the last option indicating the end of the menu or list Press to select the option the blinking cursor is on Press to exit your selection and return to the previous menu or screen Figure 1 4 Menu buttons Menu buttons ...

Page 17: ...ing This section provides a cursory explanation of their functionality within the Meritor WABCO ABS Application Refer to the manufacturer specific Brake Link manual to find out how they operate within the appli cation you need to use or Introducing Brake Link Operator s Manual for general information COMM Buttons Use the COMM buttons to select the hardware communication protocol See Se lecting a P...

Page 18: ... ABS Application does not utilize these buttons SENSOR In the Meritor WABCO ABS Application presents the data list which contains wheel speeds see pg 53 ECU In the Meritor WABCO ABS Application displays ECU Information see pg 27 Other Buttons Use the following buttons or hot keys to select other Brake Link options avail able in Button Navigation only CURRENT FAULTS In the Meritor WABCO ABS Applica...

Page 19: ...7 ECU In the Meritor WABCO ABS Application use it to view ECU information see pg 21 Light Emitting Diodes LEDs The POWER LED indicates whether Brake Link is receiving power The COMM and MODE LEDs light up according to the Brake Link operation s you select The Meritor WABCO ABS Application does not utilize the rest of the LEDs Figure 1 6 Light Emitting Diodes ...

Page 20: ...14 Brake Link Meritor WABCO ABS Application Chapter 1 Getting Started ...

Page 21: ... the Meritor WABCO ABS Application for diagnosing Meritor WABCO Tractor Trailer Anti lock Brake System issues This chapter explains how to use the Meritor WABCO ABS Application Tractor option This application supports both methods of navigation see pg 9 Most discussions in this chapter provide a separate set of instructions for each method Instructions for completing the task via Menu navigation a...

Page 22: ...1587 messages i e Information over the J1708 bus through the tractor Deutsch connector PLC ENHANCED MODE which sends J1587 messages over the Power Line Carrier PLC Only available for ECUs that support En hanced PLC Mode Receive information through the Deutsch or Power Line connectors on the trailer If the tractor and trailer are connected re ceive information from the trailer ECU through either De...

Page 23: ...ch adapter Use if The ECU s you re testing doesn t support Enhanced PLC Mode i e Meritor WABCO Easy Stop PLC Enhanced Mode Benefits Provides ECU access via a Deutsch or J560 Power Line Connection If the tractor is attached to the trailer it provides access to both ECUs via a single connection Considerations Applicable ECU must support Enhanced PLC Mode to utilize this protocol i e Meritor WABCO En...

Page 24: ... NAVIGATION and press 3 The Protocol Selection screen displays Press to select the default 1708 J1587 BUS J1708 J1587 BUS configures Brake Link to communicate with the ECU via the J1708 Bus accessed through the standard Deutsch connection PLC ENHANCED MODE is available only with trailer ECUs Refer to Chapter 3 of this manual 4 Press Brake Link auto detects the Meritor WABCO ABS ECUs present for th...

Page 25: ...nts on page 8 Brake Link starts and presents the Select Application screen Use the and keys to select MERITOR WABCO ABS press 2 Brake Link displays navigation options use the and keys to select BUTTON NAVIGATION and press TRACTOR 4S 3M EXISTING FAULTS YES STORED FAULTS YES ENTER TO CONTINUE If the following message is displayed CAN NOT IDENTIFY ECU The detected ECU is not a WABCO Tractor Air ABS c...

Page 26: ...lect TRACTOR or TRAILER use the and keys to select TRACTOR 5 The ECU sensor modulator configuration is displayed indicating whether there are existing and or stored faults Press to continue 6 Brake Link instructs you to CONTINUE BY PRESSING BUTTONS NOTE i Refer to the Table of Contents of this manual to find information for a specific test TRACTOR 4S 3M EXISTING FAULTS YES STORED FAULTS YES ENTER ...

Page 27: ...ritor WABCO ABS Application option ECU Information Use this option to retrieve the following ECU information ECU Type Configuration Part Number Manufacture Date Serial Number Software Revision NOTE i ECU type is established as either D or E version ECU MERITOR WABCO ABS Options of Items ECU INFORMATION see pg 21 One FAULTS see pg 25 Three View Existing Faults View Stored Faults Clear Faults DATA L...

Page 28: ...n describes retrieving ECU information with each navigation method View ECU Information via menu navigation 1 Connect Brake Link to the tractor and power up see Connecting Brake Link Components on page 8 Brake Link starts and presents the Select Application screen Use the and keys to select MERITOR WABCO ABS press 2 Brake Link displays navigation options use the and keys to select MENU NAVIGATION ...

Page 29: ... faults Press to access the Meritor WABCO ABS Application main menu 6 Next Brake Link presents the Meritor WABCO ABS Application main menu use the and keys to scroll to ECU INFORMATION and press 7 Brake Link displays the ECU s Information Scroll the display with the and keys A dashed line appears at the end of the list 8 Press to return to the main menu or to return to the Select Application scree...

Page 30: ...press 3 Brake Link prompts you to select a protocol Press NOTE i See Selecting a Protocol on page 16 Brake Link auto detects the Meritor WABCO ABS ECUs present for the protocol you selected 4 If both are detected Brake Link prompts you to select TRACTOR or TRAILER use the and keys to select TRACTOR 5 The ECU sensor modulator configuration is displayed indicating whether there are existing and or s...

Page 31: ... for future reference Repair the vehicle then clear the stored fault codes before cycling power or per forming a road test A code that appears in the stored list one that isn t in the active list after cycling power or road testing the vehicle indicates an intermittent problem This section explains how to use each option Viewing Existing Faults This subsection explains how to view existing fault c...

Page 32: ...nk presents the Protocol Selection screen 3 Use the and keys to select the desired option and press NOTE i See Selecting a Protocol on page 16 Brake Link auto detects the Meritor WABCO ABS ECUs present for the protocol you selected 4 If both are detected Brake Link prompts you to select TRACTOR or TRAILER use the and keys to select TRACTOR 5 The ECU sensor modulator configuration is displayed indi...

Page 33: ...t e g x 002 indicates the fault occurred twice Brake Link truncates some of the SID and FMI descriptions to fit the 20 character line display Refer to Appendix A for full SID and FMI descriptions NOTE i If there is more than one code and the ECU supports displaying multiple codes a down arrow appears next to the occurrence count scroll the dis play with the and keys At the end of the list an up ar...

Page 34: ...ON press 3 Brake Link prompts you to select a protocol Press NOTE i See Selecting a Protocol on page 16 Brake Link auto detects the Meritor WABCO ABS ECUs present for the protocol you selected 4 If both are detected Brake Link prompts you to select TRACTOR or TRAILER use the and keys to select TRACTOR 5 The ECU sensor modulator configuration is displayed indicating whether there are existing and o...

Page 35: ...ith the and keys At the end of the list an up arrow appears on the left side of the screen If ECU only transmits one existing code at a time you have to repair the problem causing the fault before you ll see the next code 8 Press to return to the CONTINUE BY PRESSING BUTTONS prompt or to return to the Select Application screen Viewing Stored Faults Once you repair a problem the ECU moves the assoc...

Page 36: ...k presents the Protocol Selection screen 3 Use the and keys to select the desired option and press NOTE i See Selecting a Protocol on page 16 Brake Link auto detects the Meritor WABCO ABS ECUs present for the protocol you selected 4 If both are detected Brake Link prompts you to select TRACTOR or TRAILER use the and keys to select TRACTOR 5 The ECU sensor modulator configuration is displayed indic...

Page 37: ...left of the FMI Line 4 Scroll the display with the and keys Line 1 shows the System ID SID description Line 2 shows the Failure Mode Indicator FMI description Line 3 shows the SID value in decimal and hexadecimal Line 4 shows the FMI value in decimal and hexidecial and an occurrence count e g x 002 indicates the fault occurred twice Brake Link truncates some of the SID and FMI descriptions to fit ...

Page 38: ...N press 3 Brake Link prompts you to select a protocol Press NOTE i See Selecting a Protocol on page 16 Brake Link auto detects the Meritor WABCO ABS ECUs present for the protocol you selected 4 If both are detected Brake Link prompts you to select TRACTOR or TRAILER use the and keys to select TRACTOR 5 The ECU sensor modulator configuration is displayed indicating whether there are existing and or...

Page 39: ...o Appendix A for full SID and FMI descriptions 8 Press to return to the CONTINUE BY PRESSING BUTTONS prompt or to return to the Select Application screen Clearing Stored Faults CLEAR FAULTS clears stored fault codes from the ECU NOTE i The CLEAR FAULTS option is called Reset in Button Navigation Once you repair a problem the ECU moves the associated fault code to the stored list for future referen...

Page 40: ...nk presents the Protocol Selection screen 3 Use the and keys to select the desired option and press NOTE i See Selecting a Protocol on page 16 Brake Link auto detects the Meritor WABCO ABS ECUs present for the protocol you selected 4 If both are detected Brake Link prompts you to select TRACTOR or TRAILER use the and keys to select TRACTOR 5 The ECU sensor modulator configuration is displayed indi...

Page 41: ...0 Press to return to the main menu or to return to the Select Application screen Clear stored fault codes via button navigation 1 Connect Brake Link to the tractor and power up see Connecting Brake Link Components on page 8 Brake Link starts and presents the Select Application screen Use the and keys to select MERITOR WABCO ABS press 2 Brake Link displays navigation options use the and keys to sel...

Page 42: ...or configuration is displayed indicating whether there are existing and or stored faults Press to continue 6 Brake Link instructs you to CONTINUE BY PRESSING BUTTONS press 7 Brake Link requests confirmation use the and keys to select YES and press 8 Next Brake Link displays a Faults Cleared message Press to return to the CONTINUE BY PRESSING BUTTONS prompt 9 Press to return to the Navigation Selec...

Page 43: ...tion Data Item Description DIAGONAL 1 Diagonal 1 Voltage DIAGONAL 2 Diagonal 2 Voltage BATTERY Battery Voltage L FRONT Left Front Sensor Speed R FRONT Right Front Sensor Speed L AXLE 2 Left Axel Sensor Speed R AXLE 2 Right Axel 2 Sensor Speed L AXEL 3 Left Axel 3 Sensor Speed R AXLE 3 Right Axel 3 Sensor Speed ABS BRAKE ABS Brake Control ABS RETARDER ABS Retarder Control ABS SWITCH ABS Switch ABS ...

Page 44: ... presents the Protocol Selection screen 3 Use the and keys to select the desired option and press NOTE i See Selecting a Protocol on page 16 Brake Link auto detects the Meritor WABCO ABS ECUs present for the protocol you selected 4 If both are detected Brake Link prompts you to select TRACTOR or TRAILER use the and keys to select TRACTOR 5 The ECU sensor modulator configuration is displayed indica...

Page 45: ... Select Application screen Access the Data List via button navigation 1 Connect Brake Link to the tractor and power up see Connecting Brake Link Components on page 8 Brake Link starts and presents the Select Application screen Use the and keys to select MERITOR WABCO ABS press 2 Brake Link displays navigation options use the and keys to select BUTTON NAVIGATION press 3 Brake Link prompts you to se...

Page 46: ...TOR 5 The ECU sensor modulator configuration is displayed indicating whether there are existing and or stored faults Press to continue 6 Brake Link instructs you to CONTINUE BY PRESSING BUTTONS press or 7 Brake Link displays the data list use the and keys to scroll the list A dashed line appears at the end of the list 8 Press to return to the CONTINUE BY PRESSING BUTTONS prompt or to return to the...

Page 47: ...ng properly pg 44 TEST SENSORS to ensure that the wheel sensors are connected to the correct wheels and to detect the greatest wheel speed for each wheel pg 47 TEST RETARDER RELAY to momentarily open the retarder relay con tacts pg 50 TEST RETARDER DATALINK to temporarily disable an electronic re tarder that uses a J 1922 or J 1939 data link pg 52 TEST ENGINE DATALINK to monitor the change in engi...

Page 48: ... starts and presents the Select Application screen Use the and keys to select MERITOR WABCO ABS press 2 Brake Link displays navigation options use the and keys to select MENU NAVIGATION and press Brake Link presents the Protocol Selection screen 3 Use the and keys to select the desired option and press NOTE i See Selecting a Protocol on page 16 Brake Link auto detects the Meritor WABCO ABS ECUs pr...

Page 49: ...press 7 Brake Link displays the Tests Menu use the and keys to position the cursor on TEST WARNING LAMP and press 8 Brake Link blinks the lamp eight times it displays eight Xs across the bottom of the screen to indicate the progress of the test Once it finishes the test it displays TEST IS COMPLETE Press to return to the Tests Menu 9 Press to return to the main menu or to return to the Select Appl...

Page 50: ...MENU NAVIGATION and press Brake Link presents the Protocol Selection screen 3 Next Brake Link presents the Protocol Selection screen Use the and keys to select the desired option and press NOTE i See Selecting a Protocol on page 16 Brake Link auto detects the Meritor WABCO ABS ECUs present for the protocol you selected 4 If both are detected Brake Link prompts you to select TRACTOR or TRAILER use ...

Page 51: ... selecting the corresponding valve NOTE i The list of available valves differs depending on the ECU type and configuration 9 Brake Link performs two tests on the valve It shows a valve activation and test status screen for each test Eight Xs appear across the bottom of each screen to indicate the progress of the test Each valve test procedure executes in the same manner The uninterrupted test sequ...

Page 52: ...actor Once Brake Link finishes the test the TEST IS COMPLETE message is displayed Press to return to the Tests Menu 10 Press to return to the main menu or to return to the Select Application screen DECREASING PRESSURE ACTIVATING L FRONT VALVE XXXXX HOLD PRESSURE ACTIVATING L FRONT VALVE XXXXX XXXX ...

Page 53: ...nsor valve via menu navigation 1 Connect Brake Link to the tractor and power up see Connecting Brake Link Components on page 8 Brake Link starts and presents the Select Application screen Use the and keys to select MERITOR WABCO ABS press 2 Brake Link displays navigation options use the and keys to select MENU NAVIGATION and press Brake Link presents the Protocol Selection screen 3 Use the and key...

Page 54: ...nk displays the Tests Menu use the and keys to position the cursor on TEST SENSORS and press 8 Brake Link displays all available wheel sensors with default values of 7 Spin the wheels corresponding to the sensors you re testing The display updates to reflect the greatest wheel speed detected for each wheel and indicates the sequence that the wheels were spun For example TRACTOR 4S 3M EXISTING FAUL...

Page 55: ... ABS Application 49 NOTE i Wheel sensor configurations vary depending on the ECU type Check the Meritor WABCO specification for the configuration that applies to the ECU you re testing 9 Press to return to the Tests Menu or to return to the Select Application screen ...

Page 56: ...ge 8 Brake Link starts and presents the Select Application screen Use the and keys to select MERITOR WABCO ABS press 2 Brake Link displays navigation options use the and keys to select MENU NAVIGATION and press Brake Link presents the Protocol Selection screen 3 Use the and keys to select the desired option and press NOTE i See Selecting a Protocol on page 16 Brake Link auto detects the Meritor WA...

Page 57: ...itor WABCO ABS Application main menu use the and keys to scroll to TESTS and press 7 Brake Link displays the Tests Menu use the and keys to position the cursor on RETARDER RELAY and press The ACTIVATING screen is displayed After the retarder relay is momentarily activated Brake Link displays the Tests Menu 8 Press to return to the Select Application screen TRACTOR 4S 3M EXISTING FAULTS YES STORED ...

Page 58: ... Link Components on page 8 Brake Link starts and presents the Select Application screen Use the and keys to select MERITOR WABCO ABS press 2 Brake Link displays navigation options use the and keys to select MENU NAVIGATION and press Brake Link presents the Protocol Selection screen 3 Use the and keys to select the desired option and press NOTE i See Selecting a Protocol on page 16 Brake Link auto ...

Page 59: ... WABCO ABS Application main menu use the and keys to scroll to TESTS and press 7 Brake Link displays the Tests Menu use the and keys to position the cursor on RETARDER DATALINK and press The ACTIVATING screen is displayed After the Retarder Datalink is momentarily activated Brake Link displays the Tests Menu 8 Press to return to the Select Application screen TRACTOR 4S 3M EXISTING FAULTS YES STORE...

Page 60: ... the tractor and power up see Connecting Brake Link Components on page 8 Brake Link starts and presents the Select Application screen Use the and keys to select MERITOR WABCO ABS press 2 Brake Link displays navigation options use the and keys to select MENU NAVIGATION and press Brake Link presents the Protocol Selection screen 3 Use the and keys to select the desired option and press NOTE i See Se...

Page 61: ...STS and press 7 Brake Link displays the Tests Menu use the and keys to position the cursor on ENGINE DATALINK and press Brake Link displays the following screen 8 Apply the accelerator pedal until engine reaches 1000 rpm 9 Press to continue Once the Engine Datalink is momentarily activated Brake Link displays the Tests Menu 10 Press to return to the Select Application screen TRACTOR 4S 3M EXISTING...

Page 62: ...56 Brake Link Meritor WABCO ABS Application Chapter 2 Using the Meritor WABCO ABS Application Tractor ...

Page 63: ...uECU Information page 64 uFaults page 69 uData List page 85 uTests page 89 uModify page 97 Brake Link features the Meritor WABCO ABS Application for diagnosing Meritor WABCO Trailer Anti lock Brake System issues and configuring Easy Stop TCS I and Enhanced Easy Stop TCS II brake controllers This chapter explains how to use the Meritor WABCO ABS Application for trailer ...

Page 64: ...on Trailer This application supports both methods of navigation see pg 9 Most discus sions in this chapter provide a separate set of instructions for each method Instructions for completing the task via Menu navigation are marked with this icon Button navigation are marked with this icon ...

Page 65: ...ugh the Deutsch or Power Line connectors on the trailer If the tractor and trailer are connected re ceive information from the trailer ECU through either Deutsch connector Use the following table to help you decide which protocol best suits your needs Figure 3 1 Power Line Carrier and J1708 Bus Illustration J1708 J1587 Benefits Provides ECU access via a standard Deutsch connection Supported by all...

Page 66: ... and keys to select MENU NAVIGATION and press PLC Enhanced Mode Benefits Provides ECU access via a Deutsch or J560 Power Line Connection If the tractor is attached to the trailer it provides access to both ECUs via a single connection Considerations Applicable ECU must support Enhanced PLC Mode to utilize this protocol i e Meritor WABCO Enhanced Easy Stop Use if The tractor is attached to the trai...

Page 67: ...rs Press 4 Brake Link auto detects the Meritor WABCO Trailer ABS ECU It pre sents the ECU sensor modulator configuration and indicates whether there are existing and or stored faults Press to access the Meritor WABCO ABS Application main menu J1708 J1587 BUS PLC ENHANCED MODE TRAILER 4S 3M EXISTING FAULTS YES STORED FAULTS YES ENTER TO CONTINUE If you receive CAN NOT IDENTIFY ECU the detected ECU ...

Page 68: ...avigation options use the and keys to select BUTTON NAVIGATION and press 3 Brake Link prompts you to press the appropriate COMM button press to configure Brake Link to communicate with the ECU via the J1708 Bus accessed through the standard Deutsch connectors to configure Brake Link to communicate with the ECU via the Power Line Carrier accessed through the Deutsch or J560 trailer power line conne...

Page 69: ... Contents to find help with a specific test TRAILER 4S 3M EXISTING FAULTS YES STORED FAULTS YES ENTER TO CONTINUE If you receive CAN NOT IDENTIFY ECU the detected ECU is not an Easy Stop TCS I or Enhanced Easy Stop TCS II controller If you selected J1708 J1587 BUS protocol and it displays ECU NOT RESPONDING the ECU or Data Bus is not working properly If you selected PLC ENHANCED MODE protocol and ...

Page 70: ...S menu offers 3 tests This rest of this section details each Meritor WABCO ABS Application option ECU Information Use this option to retrieve the following ECU information ECU Type Configuration Part Number Manufacture Date Serial Number Software Revision The rest of this section describes retrieving ECU information with each navigation method MERITOR WABCO ABS Options of Items ECU INFORMATION see...

Page 71: ...age 8 Brake Link boots up and pre sents the Select Application screen Use the and keys to select MERITOR WABCO ABS press 2 Brake Link displays navigation options use the and keys to select MENU NAVIGATION and press 3 Next it presents the Protocol Selection screen Use the and keys to select the desired option and press See Selecting a Proto col on page 59 SELECT APPLICATION GENERIC PLC TEST BENDIX ...

Page 72: ...ain menu use the and keys to scroll to ECU INFORMATION and press TRAILER 4S 3M EXISTING FAULTS YES STORED FAULTS YES ENTER TO CONTINUE If you receive CAN NOT IDENTIFY ECU the detected ECU is not an Easy Stop TCS I or Enhanced Easy Stop TCS II controller If you selected J1708 J1587 BUS protocol and it displays ECU NOT RESPONDING the ECU or Data Bus is not working properly If you selected PLC ENHANC...

Page 73: ...nformation via button navigation 1 Connect Brake Link to the tractor or trailer and power up see Connect ing Brake Link Components on page 8 Brake Link boots up and pre sents the Select Application screen Use the and keys to select MERITOR WABCO ABS press 2 Brake Link displays navigation options use the and keys to select BUTTON NAVIGATION press 3 Brake Link prompts you to select a protocol Press ...

Page 74: ... of the list NOTE i TCS I is the Easy Stop controller TCS II is the Enhanced Easy Stop controller TRAILER 4S 3M EXISTING FAULTS YES STORED FAULTS YES ENTER TO CONTINUE If you receive CAN NOT IDENTIFY ECU the detected ECU is not an Easy Stop TCS I or Enhanced Easy Stop TCS II controller If you selected J1708 J1587 BUS protocol and it displays ECU NOT RESPONDING the ECU or Data Bus is not working pr...

Page 75: ...ir the vehicle then clear the stored fault codes before cycling power or per forming a road test A code that appears in the stored list that isn t in the active list after cycling power or road testing the vehicle indicates an intermittent problem This section explains how to use each option Viewing Existing Faults This section explains how to view existing fault codes for each navigation method N...

Page 76: ...nts on page 8 Brake Link boots up and pre sents the Select Application screen Use the and keys to select MERITOR WABCO ABS press 2 Brake Link displays navigation options use the and keys to select MENU NAVIGATION and press 3 Next it presents the Protocol Selection screen Use the and keys to select the desired option and press See Selecting a Proto col on page 59 SELECT APPLICATION GENERIC PLC TEST...

Page 77: ...FAULTS and press 6 Brake Link displays the Faults Menu select VIEW EXISTING FAULT and press TRAILER 4S 3M EXISTING FAULTS YES STORED FAULTS YES ENTER TO CONTINUE If you receive CAN NOT IDENTIFY ECU the detected ECU is not an Easy Stop TCS I or Enhanced Easy Stop TCS II controller If you selected J1708 J1587 BUS protocol and it displays ECU NOT RESPONDING the ECU or Data Bus is not working properly...

Page 78: ...of the SID and FMI descriptions to fit the 20 character line display Refer to Appendix A for full SID and FMI descriptions NOTE i If there is more than one code and the ECU supports displaying multiple codes a down arrow appears next to the occurrence count scroll the dis play with the and keys At the end of the list an up arrow appears on the left side of the screen If ECU only transmits one exis...

Page 79: ...ing Brake Link Components on page 8 Brake Link boots up and pre sents the Select Application screen Use the and keys to select MERITOR WABCO ABS press 2 Brake Link displays navigation options use the and keys to select BUTTON NAVIGATION press 3 Brake Link prompts you to select a protocol Press or See Selecting a Protocol on page 59 SELECT APPLICATION GENERIC PLC TEST BENDIX KB EATON ABS MERITOR WA...

Page 80: ...INUE BY PRESSING BUTTONS press TRAILER 4S 3M EXISTING FAULTS YES STORED FAULTS YES ENTER TO CONTINUE If you receive CAN NOT IDENTIFY ECU the detected ECU is not an Easy Stop TCS I or Enhanced Easy Stop TCS II controller If you selected J1708 J1587 BUS protocol and it displays ECU NOT RESPONDING the ECU or Data Bus is not working properly If you selected PLC ENHANCED MODE protocol and it displays E...

Page 81: ...scriptions to fit the 20 character line display Refer to Appendix A for full SID and FMI descriptions NOTE i If there is more than one code and the ECU supports displaying multiple codes a down arrow appears next to the occurrence count scroll the dis play with the and keys At the end of the list an up arrow appears on the left side of the screen If ECU only transmits one existing code at a time y...

Page 82: ...ates an intermittent problem The rest of this section explains how to view stored faults with each method of navigation View stored fault codes via menu navigation 1 Connect Brake Link to the tractor or trailer and power up see Connect ing Brake Link Components on page 8 Brake Link boots up and pre sents the Select Application screen Use the and keys to select MERITOR WABCO ABS press 2 Brake Link ...

Page 83: ...FAULTS and press 6 Brake Link displays the Faults Menu select VIEW STORED FAULTS and press TRAILER 4S 3M EXISTING FAULTS YES STORED FAULTS YES ENTER TO CONTINUE If you receive CAN NOT IDENTIFY ECU the detected ECU is not an Easy Stop TCS I or Enhanced Easy Stop TCS II controller If you selected J1708 J1587 BUS protocol and it displays ECU NOT RESPONDING the ECU or Data Bus is not working properly ...

Page 84: ...Link truncates some of the SID and FMI descriptions to fit the 20 character line display Refer to Appendix A for full SID and FMI descriptions 8 Press to return to the main menu or to return to the Select Application screen View stored fault codes via button navigation 1 Connect Brake Link to the tractor or trailer and power up see Con necting Brake Link Components on page 8 Brake Link boots up an...

Page 85: ... PRESSING BUTTONS press TRAILER 4S 3M EXISTING FAULTS YES STORED FAULTS YES ENTER TO CONTINUE If you receive CAN NOT IDENTIFY ECU the detected ECU is not an Easy Stop TCS I or Enhanced Easy Stop TCS II controller If you selected J1708 J1587 BUS protocol and it displays ECU NOT RESPONDING the ECU or Data Bus is not working properly If you selected PLC ENHANCED MODE protocol and it displays ECU NOT ...

Page 86: ...the 20 character line display Refer to Appendix A for full SID and FMI descriptions 7 Press to return to the CONTINUE BY PRESSING BUTTONS prompt or to return to the Select Application screen Clearing Stored Faults CLEAR FAULTS clears stored fault codes from the ECU Once you repair a problem the ECU moves the associated fault code to the stored list for future reference Use the stored faults list a...

Page 87: ... page 8 Brake Link boots up and pre sents the Select Application screen Use the and keys to select MERITOR WABCO ABS press 2 Brake Link displays navigation options use the and keys to select MENU NAVIGATION and press 3 Next it presents the Protocol Selection screen Use the and keys to select the desired option and press See Selecting a Proto col on page 59 SELECT APPLICATION GENERIC PLC TEST BENDI...

Page 88: ...T and press 7 Brake Link requests confirmation use the and keys to select YES and press 8 Next Brake Link displays a Faults Cleared message Press to return to the Faults Menu TRAILER 4S 3M EXISTING FAULTS YES STORED FAULTS YES ENTER TO CONTINUE If you receive CAN NOT IDENTIFY ECU the detected ECU is not an Easy Stop TCS I or Enhanced Easy Stop TCS II controller If you selected J1708 J1587 BUS prot...

Page 89: ...tor or trailer and power up see Connect ing Brake Link Components on page 8 Brake Link boots up and pre sents the Select Application screen Use the and keys to select MERITOR WABCO ABS press 2 Brake Link displays navigation options use the and keys to select BUTTON NAVIGATION press 3 Brake Link prompts you to select a protocol Press or See Selecting a Protocol on page 59 SELECT APPLICATION GENERIC...

Page 90: ...Cleared message Press to return to the CONTINUE BY PRESSING BUTTONS prompt 8 Press to return to the Navigation Selection screen or to return to the Select Application screen TRAILER 4S 3M EXISTING FAULTS YES STORED FAULTS YES ENTER TO CONTINUE If you receive CAN NOT IDENTIFY ECU the detected ECU is not an Easy Stop TCS I or Enhanced Easy Stop TCS II controller If you selected J1708 J1587 BUS proto...

Page 91: ... up and pre sents the Select Application screen Use the and keys to select MERITOR WABCO ABS press Data Item Description PRIMARY PWR Primary Voltage SECONDARY PWR Secondary Voltage INTERNAL PWR Internal Voltage YE1 Sensor YE1 Speed YE2 Sensor YE2 Speed BU1 Sensor BU1 Speed BU2 Sensor BU2 Speed CURRENT There is a Miles and Kilometers listing for the Current and Service Miles parameters Current Mile...

Page 92: ...faults Press to access the Meritor WABCO ABS Application main menu 5 Next it presents the Meritor WABCO ABS Application main menu use the and keys to scroll to DATA LIST and press TRAILER 4S 3M EXISTING FAULTS YES STORED FAULTS YES ENTER TO CONTINUE If you receive CAN NOT IDENTIFY ECU the detected ECU is not an Easy Stop TCS I or Enhanced Easy Stop TCS II controller If you selected J1708 J1587 BUS...

Page 93: ... list again 7 Press to return to the main menu or to return to the Select Application screen Access the Data List via button navigation 1 Connect Brake Link to the tractor or trailer and power up see Connect ing Brake Link Components on page 8 Brake Link boots up and pre sents the Select Application screen Use the and keys to select MERITOR WABCO ABS press 2 Brake Link displays navigation options ...

Page 94: ...nu ously to show the most recent values These parameters display the values at the time the data list was requested To get the most current val ues press to exit the data list and to view the list again TRAILER 4S 3M EXISTING FAULTS YES STORED FAULTS YES ENTER TO CONTINUE If you receive CAN NOT IDENTIFY ECU the detected ECU is not an Easy Stop TCS I or Enhanced Easy Stop TCS II controller If you s...

Page 95: ...l tests via menu navigation Test Warning Lamp Use this option to ensure the ABS Warning Lamp on the outside of the trailer is functioning properly This test blinks the lamp 8 times Test Exterior ABS Warning Lamp via menu navigation 1 Connect Brake Link to the tractor or trailer and power up see Connect ing Brake Link Components on page 8 Brake Link boots up and pre sents the Select Application scr...

Page 96: ...press 6 Brake Link displays the Tests Menu use the and keys to position the cursor on TEST WARNING LAMP and press TRAILER 4S 3M EXISTING FAULTS YES STORED FAULTS YES ENTER TO CONTINUE If you receive CAN NOT IDENTIFY ECU the detected ECU is not an Easy Stop TCS I or Enhanced Easy Stop TCS II controller If you selected J1708 J1587 BUS protocol and it displays ECU NOT RESPONDING the ECU or Data Bus i...

Page 97: ...ator valve Test selected modulator valve via menu navigation 1 Connect Brake Link to the tractor or trailer and power up see Connect ing Brake Link Components on page 8 Brake Link boots up and pre sents the Select Application screen Use the and keys to select MERITOR WABCO ABS press 2 Brake Link displays navigation options use the and keys to select MENU NAVIGATION and press 3 Next Brake Link pres...

Page 98: ...TS and press 6 Brake Link displays the Tests Menu use the and keys to position the cursor on TEST VALVES and press TRAILER 4S 3M EXISTING FAULTS YES STORED FAULTS YES ENTER TO CONTINUE If you receive CAN NOT IDENTIFY ECU the detected ECU is not an Easy Stop TCS I or Enhanced Easy Stop TCS II controller If you selected J1708 J1587 BUS protocol and it displays ECU NOT RESPONDING the ECU or Data Bus ...

Page 99: ...on 8 Brake Link performs two tests on the valve It shows a valve activa tion and test status screen for each test Eight Xs appear across the bottom of each screen to indicate the progress of the test Once it finishes the test it displays TEST IS COMPLETE Press to return to the Tests Menu 9 Press to return to the main menu or to return to the Select Application screen TEST YELLOW VALVE TEST BLUE VA...

Page 100: ... revolutions per minute before Brake Link displays a wheel speed or spin sequence number Test sensor valve via menu navigation 1 Connect Brake Link to the tractor or trailer and power up see Connect ing Brake Link Components on page 8 Brake Link boots up and pre sents the Select Application screen Use the and keys to select MERITOR WABCO ABS press 2 Brake Link displays navigation options use the a...

Page 101: ...s 6 Brake Link displays the Tests Menu use the and keys to position the cursor on TEST SENSORS and press TRAILER 4S 3M EXISTING FAULTS YES STORED FAULTS YES ENTER TO CONTINUE If you receive CAN NOT IDENTIFY ECU the detected ECU is not an Easy Stop TCS I or Enhanced Easy Stop TCS II controller If you selected J1708 J1587 BUS protocol and it displays ECU NOT RESPONDING the ECU or Data Bus is not wor...

Page 102: ...un For example the sample screen below shows the expected sequence if you re testing a vehicle with the following configuration and you spin the right front wheel first working your way around the trailer clockwise NOTE i Wheel sensor configurations vary depending on the ECU type Check the Meritor WABCO specification for the configuration that applies to the ECU you re testing Also the wheel must ...

Page 103: ...CU parameters via menu navigation 1 Connect Brake Link to the tractor or trailer and power up see Connect ing Brake Link Components on page 8 Brake Link boots up and pre sents the Select Application screen Use the and keys to select MERITOR WABCO ABS press 2 Brake Link displays navigation options use the and keys to select MENU NAVIGATION and press 3 Next the Protocol Selection screen is displayed...

Page 104: ...displays the current configuration use the and keys to scroll through the parameters TRAILER 4S 3M EXISTING FAULTS YES STORED FAULTS YES ENTER TO CONTINUE If you receive CAN NOT IDENTIFY ECU the detected ECU is not an Easy Stop TCS I or Enhanced Easy Stop TCS II controller If you selected J1708 J1587 BUS protocol and it displays ECU NOT RESPONDING the ECU or Data Bus is not working properly If you...

Page 105: ...eys to set the value of the digit s 8 Press to temporarily save your changes or to return to the parameters list without saving your changes 9 When you re done changing parameters press to exit to parameters list 10 Brake Link asks if you are sure you want to save the changes use the and keys to select YES and press 11 Brake Link reports the success of the configuration press to return to the main...

Page 106: ...100 Brake Link Meritor WABCO ABS Application Chapter 3 Using Meritor WABCO ABS Application Trailer ...

Page 107: ...BS Application 101 A Diagnostic Fault Codes uMessage Identifiers MIDs page 103 uSubsystem Identifiers SIDs page 104 This appendix provides listings of the diagnostic codes that appear when using the Meritor WABCO ABS Application ...

Page 108: ...format referred to as J1587 This format describes the messages that are sent from one electrical device to another on a vehicle s serial data link and defines Controller names and numbers Parameter names and numbers Diagnostic fault code formats and numbers The remainder of this appendix provides listings for the following categories of J1587 data Message Identifiers MIDs page 103 Subsystem Identi...

Page 109: ...ciety of Automotive Engineers SAE and the American Trucking Association ATA have assigned a code number to help identify each device These code numbers are called Message Identification numbers or MIDs When a device is sending a message on the SDL part of the message is the device s MID The following table lists all the MIDs for brake systems MID SAE Description 136 Brakes Power Unit 137 Brakes Tr...

Page 110: ... following table shows the standardized list of SID codes and descriptions for MIDs 136 139 SID Code Decimal Hexadecimal Tractor Description Trailer Description Decimal Hexadecimal 001 01 Wheel Sensor Axle 1 Left 002 02 Wheel Sensor Axle 1 Right 003 03 Wheel Sensor Axle 2 Left Wheel Sensor BU1 004 04 Wheel Sensor Axle 2 Right Wheel Sensor YE1 005 05 Wheel Sensor Axle 3 Left Wheel Sensor BU2 006 06...

Page 111: ... 1 ASR Valve 019 13 DIFF 2 ASR Valve 020 14 Pneumatic Engine Control 021 15 Electronic Engine Control Servomotor 022 16 Speed Signal Input 023 17 Warning Light Bulb 024 18 ASR Light Bulb 025 19 Wheel Sensor Axle 1 Average 026 1A Wheel Sensor Axle 2 Average 027 1B Wheel Sensor Axle 3 Average 028 1C Pressure Modulator Drive Axle Relay Valve 029 1D Pressure Trans ducer Drive Axle Relay Valve SID Code...

Page 112: ...rol Relay 231 E7 SAE J 1939 Data Link 248 F8 Proprietary Data Link 249 F9 SAE J 1922 Data Link 251 FB Power Supply 253 FD Calibration Memory 254 FE Controller 1 SID Code Decimal Hexadecimal Tractor Description Trailer Description TABLE A 2 SIDs for Brake systems MIDs 136 139 ...

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