NEXIQ Technologies Brake-Link Manual
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NEXIQ Technologies Brake-Link Manual

Meritor wabco abs application
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Brake-Link™
Meritor WABCO
ABS Application

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  • Page 1 Brake-Link™ Meritor WABCO ABS Application...
  • Page 2 IDSC Holdings LLC. Easy-Stop™ and Enhanced Easy-Stop™ are trademarks of Meritor WABCO. Brake-Link™ is a trademark of IDSC Holdings LLC. NEXIQ™ is a trademark of IDSC Holdings LLC.

  • Page 3: Table Of Contents

    Safety Warnings & Cautions..............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 ..................
  • Page 4 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 Brake-Link™ Meritor WABCO ABS Application...
  • Page 5 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 Brake-Link™ Meritor WABCO ABS Application...
  • Page 6 Brake-Link™ Meritor WABCO ABS Application...

  • Page 7: Chapter 1: Getting Started

    Getting Started, page 2 Safety Warnings & Cautions, page 3 Using This Manual, page 4 Connecting Brake-Link™ Components, page 6 Navigating Brake-Link™, page 9 rake-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.

  • Page 8: Getting Started

    • Getting Started Chapter Getting Started Brake-Link™ is a multi-faceted, hand-held, brake system diagnostic tool that offers a variety of utilities, diagnostic applications and configuration options. Figure 1.1 NEXIQ Brake-Link™ Component connection procedures and navigation vary depending on the utility or application you’re using.

  • Page 9: Safety Warnings & Cautions

    Brake-Link™. NEXIQ Technologies recommends having an assistant drive the vehicle while you use the Brake-Link™ to perform vehicle road testing. Never leave the vehicle unattended while testing. Certain Electro-Static Discharge (ESD) and/or Electrical Fast Tran- sient (EFT) events may lock up the Brake-Link™.

  • Page 10: Using This Manual

    “From the main menu, select .” • 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., PLC/ENHANCED MODE “From the Protocol Selection menu, select...

  • Page 11: General Icons

    This manual also presents icons that denote specific types of peripheral information. Troubleshooting Tips help you diagnose or anticipate potential issues. Caution Tips help you avoid injury or prevent damage to the Brake- Link™. ä Brake-Link™ Meritor WABCO ABS Application...

  • Page 12: Connecting Brake-Link™ Components

    • Getting Started Chapter Connecting Brake-Link™ Components Brake-Link™ interfaces with the vehicle’s ECU(s) via: • The 6-pin or 9-pin Deutsch connector, typically located under the dash, beside the driver’s seat or near the trailer’s brake ECU. • The J560 power line connector on the outside of the tractor or trailer.
  • Page 13 If it doesn’t, connect to the trailer Deutsch. NOTE: Meritor WABCO Enhanced Easy-Stop™ (TCS II) supports Enhanced PLC Mode; Easy-Stop™ (TCS I) does not. Figure 1.2 shows how to connect Brake-Link™ components for standard ABS diagnostics. Power/ Data Cable 6 or 9-pin Deutsch...
  • Page 14 To connect Brake-Link™ components and power-up: Attach the Power/Data Cable DB15 Connector to the data port (labelled To Vehicle) on the Brake-Link™; tighten the thumbscrews. Plug the Data Cable Atari End into the Atari End on the cable you attach to the vehicle, i.e., Deutsch adapter or J560 PLC Cable Set.

  • Page 15: Navigating Brake-Link

    NOTE: 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™ to proceed to the next step. Brake-Link™ Meritor WABCO ABS Application...

  • Page 16: Menu Buttons

    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. 10 Brake-Link™ Meritor WABCO ABS Application...

  • Page 17: Direct Access Buttons

    - Navigating Brake-Link™ Direct Access Buttons The direct access buttons reside on the lower portion of the Brake-Link™. Notice they are grouped by functionality. The section provides a button overview for each button group. NOTE: These buttons operate differently depending on the application you’re using.

  • Page 18: Mode, Axle & Side Buttons

    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 Application, use it to view all existing faults (see pg.

  • Page 19: Light Emitting Diodes (Leds)

    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.
  • Page 20 • Getting Started Chapter 14 Brake-Link™ Meritor WABCO ABS Application...
  • Page 21 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 are marked with this icon • Button navigation are marked with this icon Brake-Link™ Meritor WABCO ABS Application 15...

  • Page 22: Using The Meritor Wabco Abs Application (Tractor)

    ECU through either Deutsch connector. Power Line Carrier (PLC) Trailer ECU Deutsch Connector J1708 Bus J1708 Bus Deutsch Connector Tractor ECU Power Line Connectors Figure 2.1 Power Line Carrier and J1708 Bus Illustration 16 Brake-Link™ Meritor WABCO ABS Application...
  • Page 23 Enhanced Easy-Stop™. Use if: • The tractor is attached to the trailer and you wish to connect the Brake-Link™ to the tractor for convenience • You’re testing a trailer that is not connected to a tractor—the J560 PLC Cable Set that’s compatible with this option eliminates the need for an additional adapter to supply power.
  • Page 24 Chapter 3 of this manual. Press Brake-Link™ auto-detects the Meritor WABCO ABS ECUs present for the protocol you selected. If both are detected, Brake-Link™ prompts you to select TRACTOR or TRAILER; use the keys to select TRACTOR. 18 Brake-Link™ Meritor WABCO ABS Application...
  • Page 25 • The ECU or Data Bus is not working properly. Press to access the Meritor WABCO ABS Application main menu. Select hardware/communication protocol via button navigation: Connect Brake-Link™ to the tractor and power-up (see “Connecting Brake- Link™ Components, on page 8). Brake-Link™ starts and presents the screen. Select Application...
  • Page 26 J1708 Bus (accessed through the standard Deutsch connectors). Brake-Link™ auto-detects the Meritor WABCO ABS ECUs present for the protocol you selected. If both are detected, Brake-Link™ prompts you to select TRACTOR or TRAILER; use the keys to select TRACTOR. The ECU sensor/modulator configuration is displayed, indicating whether there are existing and/or stored faults.

  • Page 27: Using The Meritor Wabco Abs Application

    Use this option to retrieve the following ECU information: • ECU Type • Configuration • Part Number • Manufacture Date • Serial Number • Software Revision NOTE: ECU type is established as either ‘D’ or ‘E’ version ECU. Brake-Link™ Meritor WABCO ABS Application...
  • Page 28 The rest of this section describes retrieving ECU information with each navigation method. View ECU Information via menu navigation: Connect Brake-Link™ to the tractor and power-up (see “Connecting Brake- Link™ Components, on page 8). Brake-Link™ starts and presents the screen.

  • Page 29: Faults

    - Using the Meritor WABCO ABS Application Brake-Link™ auto-detects the Meritor WABCO ABS ECUs present for the protocol you selected. If both are detected, Brake-Link™ prompts you to select TRACTOR or TRAILER; use the keys to select TRACTOR. The ECU sensor/modulator configuration is displayed, indicating whether there are existing and/or stored faults.
  • Page 30 See “Selecting a Protocol”, on page 16. Brake-Link™ auto-detects the Meritor WABCO ABS ECUs present for the protocol you selected. If both are detected, Brake-Link™ prompts you to select TRACTOR or TRAILER; use the keys to select TRACTOR. The ECU sensor/modulator configuration is displayed, indicating whether there are existing and/or stored faults.

  • Page 31: Viewing Existing Faults

    - Using the Meritor WABCO ABS Application Brake-Link™ displays the ECU’s Information. Scroll the display with the keys. A dashed line appears at the end of the list. ECU TYPE Parameter TRACTOR FRAME (12V) Names Parameter C O N F I G U R A T I O N...
  • Page 32 See “Selecting a Protocol”, on page 16. Brake-Link™ auto-detects the Meritor WABCO ABS ECUs present for the protocol you selected. If both are detected, Brake-Link™ prompts you to select TRACTOR or TRAILER; use the keys to select TRACTOR. The ECU sensor/modulator configuration is displayed, indicating whether there are existing and/or stored faults.
  • Page 33 —Line 4 shows the FMI value in decimal and hexadecimal, and an occur- rence count (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.
  • Page 34 See “Selecting a Protocol”, on page 16. Brake-Link™ auto-detects the Meritor WABCO ABS ECUs present for the protocol you selected. If both are detected, Brake-Link™ prompts you to select TRACTOR or TRAILER; use the keys to select TRACTOR. The ECU sensor/modulator configuration is displayed, indicating whether there are existing and/or stored faults.

  • Page 35: Viewing Stored Faults

    —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 the 20 character line display. Refer to Appendix A for full SID and FMI descriptions.
  • Page 36 See “Selecting a Protocol”, on page 16. Brake-Link™ auto-detects the Meritor WABCO ABS ECUs present for the protocol you selected. If both are detected, Brake-Link™ prompts you to select TRACTOR or TRAILER; use the keys to select TRACTOR. The ECU sensor/modulator configuration is displayed, indicating whether there are existing and/or stored faults.
  • Page 37 —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 the 20 character line display. Refer to Appendix A for full SID and FMI descriptions.
  • Page 38 See “Selecting a Protocol”, on page 16. Brake-Link™ auto-detects the Meritor WABCO ABS ECUs present for the protocol you selected. If both are detected, Brake-Link™ prompts you to select TRACTOR or TRAILER; use the keys to select TRACTOR. The ECU sensor/modulator configuration is displayed, indicating whether there are existing and/or stored faults.

  • Page 39: Clearing Stored Faults

    —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 the 20 character line display. Refer to Appendix A for full SID and FMI descriptions.
  • Page 40 See “Selecting a Protocol”, on page 16. Brake-Link™ auto-detects the Meritor WABCO ABS ECUs present for the protocol you selected. If both are detected, Brake-Link™ prompts you to select TRACTOR or TRAILER; use the keys to select TRACTOR. The ECU sensor/modulator configuration is displayed, indicating whether there are existing and/or stored faults.
  • Page 41 - Using the Meritor WABCO ABS Application Next, Brake-Link™ presents the Meritor WABCO ABS Application main menu; use the keys to scroll to FAULTS, and press ECU INFORMATION F A U L T S DATA LIST TESTS CLEAR FAULT, Brake-Link™ displays the Faults Menu ; select and press Brake-Link™...
  • Page 42 Chapter Brake-Link™ auto-detects the Meritor WABCO ABS ECUs present for the protocol you selected. If both are detected, Brake-Link™ prompts you to select TRACTOR or TRAILER; use the keys to select TRACTOR. The ECU sensor/modulator configuration is displayed, indicating whether there are existing and/or stored faults.

  • Page 43: Data List

    ATC ENGINE ATC Engine Control ATC SWITCH ATC Switch ATC LAMP ATC Lamp Status TRAILER LAMP Trailer Lamp Status The rest of this section explains how to view the data list with each method of navigation. Brake-Link™ Meritor WABCO ABS Application...
  • Page 44 See “Selecting a Protocol”, on page 16. Brake-Link™ auto-detects the Meritor WABCO ABS ECUs present for the protocol you selected. If both are detected, Brake-Link™ prompts you to select TRACTOR or TRAILER; use the keys to select TRACTOR. The ECU sensor/modulator configuration is displayed, indicating whether there are existing and/or stored faults.
  • Page 45 - Using the Meritor WABCO ABS Application Next, Brake-Link™ presents the Meritor WABCO ABS Application main menu; use the keys to scroll to DATA LIST and press ECU INFORMATION F A U L T S D ATA LIST TESTS Brake-Link™ displays the data list; use the keys to scroll the list.
  • Page 46 See “Selecting a Protocol”, on page 16. Brake-Link™ auto-detects the Meritor WABCO ABS ECUs present for the protocol you selected. If both are detected, Brake-Link™ prompts you to select TRACTOR or TRAILER; use the keys to select TRACTOR. The ECU sensor/modulator configuration is displayed, indicating whether there are existing and/or stored faults.

  • Page 47: Tests

    - Using the Meritor WABCO ABS Application Tests Brake-Link™ offers the following tests: • TEST WARNING LAMP to ensure the ABS Warning Lamp on the out- side of the tractor is working properly (pg. 42). TEST VALVES • to ensure the modulator valves are working properly (pg.

  • Page 48: Test Warning Lamp

    See “Selecting a Protocol”, on page 16. Brake-Link™ auto-detects the Meritor WABCO ABS ECUs present for the protocol you selected. If both are detected, Brake-Link™ prompts you to select TRACTOR or TRAILER; use the keys to select TRACTOR. 42 Brake-Link™ Meritor WABCO ABS Application...
  • Page 49 TEST WARNING LAMP, position the cursor on and press Brake-Link™ blinks the lamp eight times; it displays eight Xs across the bottom of the screen to indicate the progress of the test. A C T I V A T I N G WARNING LAMP ON AND OFF...

  • Page 50: Test Valves

    See “Selecting a Protocol”, on page 16. Brake-Link™ auto-detects the Meritor WABCO ABS ECUs present for the protocol you selected. If both are detected, Brake-Link™ prompts you to select TRACTOR or TRAILER; use the keys to select TRACTOR. The ECU sensor/modulator configuration is displayed, indicating whether there are existing and/or stored faults.
  • Page 51 The list of available valves differs depending on the ECU type and configuration. 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.
  • Page 52 H O L D P R E S S U R E ACTIVATING L FRONT VALVE X X X X X X X X X Once Brake-Link™ finishes the test, the TEST IS COMPLETE message is displayed. Press to return to the Tests Menu . Press...

  • Page 53: Test Sensors

    See “Selecting a Protocol”, on page 16. Brake-Link™ auto-detects the Meritor WABCO ABS ECUs present for the protocol you selected. If both are detected, Brake-Link™ prompts you to select TRACTOR or TRAILER; use the keys to select TRACTOR. Brake-Link™ Meritor WABCO ABS Application...
  • Page 54 TEST SENSORS, position the cursor on and press Brake-Link™ displays all available wheel sensors with default values of >7. L F R O N T > 7 r p m R F R O N T > 7 r p m L A X E L >...
  • Page 55 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. Press to return to the Tests Menu, or to return to the Select screen. Application Brake-Link™ Meritor WABCO ABS Application...

  • Page 56: Test Retarder Relay

    See “Selecting a Protocol”, on page 16. Brake-Link™ auto-detects the Meritor WABCO ABS ECUs present for the protocol you selected. If both are detected, Brake-Link™ prompts you to select TRACTOR or TRAILER; use the keys to select TRACTOR. 50 Brake-Link™ Meritor WABCO ABS Application...
  • Page 57 The ACTIVATING screen is displayed. A C T I V A T I N G RETARDER RELAY After the retarder relay is momentarily activated, Brake-Link™ displays the Tests Menu. Press to return to the Select Application screen. Brake-Link™ Meritor WABCO ABS Application...

  • Page 58: Test Retarder Datalink

    See “Selecting a Protocol”, on page 16. Brake-Link™ auto-detects the Meritor WABCO ABS ECUs present for the protocol you selected. If both are detected, Brake-Link™ prompts you to select TRACTOR or TRAILER; use the keys to select TRACTOR. 52 Brake-Link™ Meritor WABCO ABS Application...
  • Page 59 The ACTIVATING screen is displayed. A C T I V A T I N G RETARDER D A T A L I N K After the Retarder Datalink is momentarily activated, Brake-Link™ displays the Tests Menu. Press to return to the Select Application screen.

  • Page 60: Test Engine Datalink

    See “Selecting a Protocol”, on page 16. Brake-Link™ auto-detects the Meritor WABCO ABS ECUs present for the protocol you selected. If both are detected, Brake-Link™ prompts you to select TRACTOR or TRAILER; use the keys to select TRACTOR. 54 Brake-Link™ Meritor WABCO ABS Application...

  • Page 61: Using The Meritor Wabco Abs Application (Trailer)

    [ E N T E R ] T O C O N T I N U E Apply the accelerator pedal until engine reaches 1000 rpm. Press to continue. Once the Engine Datalink is momentarily activated, Brake-Link™ displays the Tests Menu. Press to return to the Select Application screen.
  • Page 62 • Using the Meritor WABCO ABS Application (Tractor) Chapter 56 Brake-Link™ Meritor WABCO ABS Application...
  • Page 63 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. Brake-Link™ Meritor WABCO ABS Application 57...
  • Page 64 Instructions for completing the task via: • Menu navigation are marked with this icon • Button navigation are marked with this icon 58 Brake-Link™ Meritor WABCO ABS Application...

  • Page 65: Selecting A Protocol

    • If you’re testing a trailer that’s not connected to a tractor, an external power supply and adapter is required in addition to the Deutsch adapter. Use if: • The ECU(s) you’re testing doesn’t support Enhanced PLC Mode, i.e., Meritor WABCO Easy- Stop™. Brake-Link™ Meritor WABCO ABS Application...
  • Page 66 The rest of this section explains how to select a hardware protocol using each nav- igation method. Select hardware/communication protocol via menu navigation: 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.
  • Page 67 J560 trailer power line connectors). This options is only available for ECUs that support this mode, i.e., Meritor WABCO Enhanced Easy-Stop™ controllers. Press 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. TRAILER 4S/3M...
  • Page 68 • Using Meritor WABCO ABS Application (Trailer) Chapter Select hardware/communication protocol via button navigation: 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.
  • Page 69 - Selecting a Protocol 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. TRAILER 4S/3M EXISTING FAULTS STORED FAULTS [ENTER] TO CONTINUE If you receive CAN NOT IDENTIFY ECU: •...

  • Page 70: Using The Meritor Wabco Abs Application

    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. 64 Brake-Link™ Meritor WABCO ABS Application...
  • Page 71 - Using the Meritor WABCO ABS Application View ECU Information via menu navigation: 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.
  • Page 72 • Using Meritor WABCO ABS Application (Trailer) Chapter 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. TRAILER 4S/3M E X I S T IN G F A U L T S...
  • Page 73 Select screen. Application View ECU Information via button navigation: 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. SELECT APPLICATION...
  • Page 74 • Using Meritor WABCO ABS Application (Trailer) Chapter 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. TRAILER 4S/3M E X I S T IN G F A U L T S...

  • Page 75: Faults

    - Using the Meritor WABCO ABS Application Press to return to the main menu or to return to the Select Appli- screen. cation Faults Brake-Link™ offers the following fault code options: VIEW EXISTING FAULT • (pg. 69) VIEW STORED FAULTS • (pg. 76) CLEAR FAULTS •...
  • Page 76 • Using Meritor WABCO ABS Application (Trailer) Chapter View existing fault codes via menu navigation: 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.
  • Page 77 - Using the Meritor WABCO ABS Application 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. TRAILER 4S/3M EXISTING FAULTS STORED FAULTS [ENTER] TO CONTINUE If you receive CAN NOT IDENTIFY ECU: •...
  • Page 78 —Line 4 shows the FMI value in decimal and hexadecimal, and an occur- rence count (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.
  • Page 79 - Using the Meritor WABCO ABS Application View existing fault codes via button navigation: 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.
  • Page 80 • Using Meritor WABCO ABS Application (Trailer) Chapter 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. TRAILER 4S/3M E X I S T IN G F A U L T S...
  • Page 81 —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 the 20 character line display. Refer to Appendix A for full SID and FMI descriptions.

  • Page 82: Viewing Stored Faults

    The rest of this section explains how to view stored faults with each method of navigation. View stored fault codes via menu navigation: 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.
  • Page 83 - Using the Meritor WABCO ABS Application 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. TRAILER 4S/3M EXISTING FAULTS STORED FAULTS [ENTER] TO CONTINUE If you receive CAN NOT IDENTIFY ECU: •...
  • Page 84 —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 the 20 character line display. Refer to Appendix A for full SID and FMI descriptions.
  • Page 85 - Using the Meritor WABCO ABS Application 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. TRAILER 4S/3M EXISTING FAULTS STORED FAULTS [ENTER] TO CONTINUE If you receive CAN NOT IDENTIFY ECU: •...

  • Page 86: Clearing Stored Faults

    —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 the 20 character line display. Refer to Appendix A for full SID and FMI descriptions.
  • Page 87 - Using the Meritor WABCO ABS Application Clear stored fault codes via menu navigation: 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.
  • Page 88 • Using Meritor WABCO ABS Application (Trailer) Chapter 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. TRAILER 4S/3M E X I S T IN G F A U L T S...
  • Page 89 Select screen. Application Clear stored fault codes via button navigation: 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. SELECT APPLICATION...
  • Page 90 • Using Meritor WABCO ABS Application (Trailer) Chapter 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. TRAILER 4S/3M E X I S T IN G F A U L T S...

  • Page 91: Data List

    The rest of this section explains how to view the data list with each method of navigation. Access the Data List via menu navigation: 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.
  • Page 92 . See “Selecting a Proto- col”, on page 59. 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.
  • Page 93 Select screen. Application Access the Data List via button navigation: 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. SELECT APPLICATION...
  • Page 94 • Using Meritor WABCO ABS Application (Trailer) Chapter 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. TRAILER 4S/3M E X I S T IN G F A U L T S...

  • Page 95: Tests

    This test blinks the lamp 8 times. Test Exterior ABS Warning Lamp via menu navigation: 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.
  • Page 96 • Using Meritor WABCO ABS Application (Trailer) Chapter 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. TRAILER 4S/3M E X I S T IN G F A U L T S...

  • Page 97: Test Valves

    - Using the Meritor WABCO ABS Application Brake-Link™ blinks the lamp eight times; it displays eight Xs across the bottom of the screen to indicate the progress of the test. A C T I V A T I N G WARNING LAMP ON AND OFF...
  • Page 98 • Using Meritor WABCO ABS Application (Trailer) Chapter 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. TRAILER 4S/3M E X I S T IN G F A U L T S...
  • Page 99 The list of available valves differs depending on the ECU type and configuration. 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.

  • Page 100: Test Sensors

    Use this test to ensure the wheel sensors are functioning properly and attached to the correct wheels. For example, if you spin the right front wheel, Brake-Link™ displays the YE1 wheel speed. If it doesn’t, the sensor may be malfunctioning. If it shows a speed for a different wheel, the sensor is connected to the wrong wheel.
  • Page 101 - Using the Meritor WABCO ABS Application 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. TRAILER 4S/3M EXISTING FAULTS STORED FAULTS [ENTER] TO CONTINUE If you receive CAN NOT IDENTIFY ECU: •...
  • Page 102 • Using Meritor WABCO ABS Application (Trailer) Chapter Brake-Link™ displays all available wheel sensors with default values of <7. If there are more than four sensors, use the keys to scroll the display 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.

  • Page 103: Modify

    View and Modify parameters via menu navigation. View and Modify ECU parameters via menu navigation: 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.
  • Page 104 • Using Meritor WABCO ABS Application (Trailer) Chapter 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. TRAILER 4S/3M E X I S T IN G F A U L T S...
  • Page 105 When you’re done changing parameters, press to exit to parameters list. Brake-Link™ asks if you are sure you want to save the changes; use the keys to select and press Brake-Link™ reports the success of the configuration; press return to the main menu.
  • Page 106 • Using Meritor WABCO ABS Application (Trailer) Chapter 100 Brake-Link™ Meritor WABCO ABS Application...

  • Page 107: Diagnostic Fault Codes

    Diagnostic Fault Codes Message Identifiers (MIDs), page 103 Subsystem Identifiers (SIDs), page 104 his appendix provides listings of the diagnostic codes that appear when using the Meritor WABCO ABS Application. Brake-Link™ Meritor WABCO ABS Application 101...
  • Page 108 • 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 Identifiers (SIDs)—page 104 102 Brake-Link™ Meritor WABCO ABS Application...

  • Page 109: Message Identifiers (Mids)

    MID. The following table lists all the MIDs for brake systems. SAE Description Brakes, Power Unit Brakes, Trailer #1 Brakes, Trailer #2 Brakes, Trailer #3 TABLE A.1 Brake System MIDs Brake-Link™ Meritor WABCO ABS Application 103...

  • Page 110: Subsystem Identifiers (Sids)

    Wheel Sensor YE2 Right Modulator Axle 1 Left Modulator Axle 1 Right Modulator Axle 2 Modulator Valve BU Left Modulator Axle 2 Modulator Valve YE Right TABLE A.2 SIDs for Brake systems (MIDs 136-139) 104 Brake-Link™ Meritor WABCO ABS Application...
  • Page 111 Wheel Sensor, Axle 1 Average Wheel Sensor, Axle 2 Average Wheel Sensor, Axle 3 Average Pressure Modulator, Drive Axle Relay Valve Pressure Trans- ducer, Drive Axle Relay Valve TABLE A.2 SIDs for Brake systems (MIDs 136-139) Brake-Link™ Meritor WABCO ABS Application 105...
  • Page 112 Tractor Description Trailer Description Master Control Relay SAE J 1939 Data Link Proprietary Data Link SAE J 1922 Data Link Power Supply Calibration Memory Controller #1 TABLE A.2 SIDs for Brake systems (MIDs 136-139) 106 Brake-Link™ Meritor WABCO ABS Application...

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