BENDIX TABS-6 Manual de usuario descargar pdf

Bendix

TABS-6 Trailer ABS Module

FIGURE 1 - TABS-6 STAndARd And PREmIUm mOdULES

INTRODUCTION

The Bendix

TABS-6 module is an integrated trailer ABS

controller and modulator for air-braked heavy-duty trailers,

semi-trailers and dollies. The module acts as a relay valve

during normal braking, but during ABS events, it will intervene

to help improve stability. All modules include an Electronic

Control Unit (ECU) and Modulator Relay Valve (MRV) which are

integrated into a single self-contained 2S/1M (two-sensor, one

modulator) trailer ABS unit. The Premium TABS-6 module is

auto-congurable to control more sensors and modulators (up to

4S/3M) from its default 2S/1M.

Bendix

TABS-6 modules also feature:

• Internal electrical connections to the primary MRV,

eliminating the need for external pigtail harnesses.

• Optional mounting to the service reservoir or to the chassis,

without additional brackets.

• Blink code diagnostics and support for advanced diagnostic

tools.

• Support for Power Line Carrier (PLC) communication to the

towing vehicle.

• A pressure equalizing valve in the sealed ECU housing to

give improved protection from water, etc.

• A locking dust cover to provide additional electrical connector

and cable protection.

• A serviceable nylon lter to help prevent foreign material

from entering the control port.

TABLE OF CONTENTS PAGE

General System Information

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Safe Maintenance Practices . . . . . . . . . . . . . . . . . . .2

Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Mounting Congurations. . . . . . . . . . . . . . . . . . . . . . 2

PLC Communications . . . . . . . . . . . . . . . . . . . . . . . .2

Wiring Harness (Pigtail) . . . . . . . . . . . . . . . . . . . . . .3

Power and Ground . . . . . . . . . . . . . . . . . . . . . . . . . .4

ABS Indicator Lamp . . . . . . . . . . . . . . . . . . . . . . . . . 4

Wheel Speed Sensors . . . . . . . . . . . . . . . . . . . . . . .5

BR9235

™

ABS Modulator Valve . . . . . . . . . . . . . . . .5

J1708/J1587 Diagnostic Link . . . . . . . . . . . . . . . . . . 6

Auxiliary I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

ABS Flex

™

Program . . . . . . . . . . . . . . . . . . . . . . . . .6

Customer Scratch Pad . . . . . . . . . . . . . . . . . . . . . . .6

Power-up Sequence . . . . . . . . . . . . . . . . . . . . . . . . . 6

ABS Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Auto-Conguration . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Odometer Function . . . . . . . . . . . . . . . . . . . . . . . . . .8

Non-standard Tire Size . . . . . . . . . . . . . . . . . . . . . . .8

Diagnostic Trouble Code Detection . . . . . . . . . . . . . 8

Blink Code Diagnostics. . . . . . . . . . . . . . . . . . . . . . . 9

Bendix ABS Diagnostic Tools . . . . . . . . . . . . . . . . . 13

Contacting Bendix. . . . . . . . . . . . . . . . . . . . . . . . . .14

Servicing the Module . . . . . . . . . . . . . . . . . . . . . . . 14

Removing the Module. . . . . . . . . . . . . . . . . . . . . . . 14

Service Replacement using the Module . . . . . . . . . 15

Reinstallation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Leakage And Operational Tests . . . . . . . . . . . . . . .15

ABS Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . 17-27

3/4" NPT

Supply Port

Through-holes

for Frame

(Chassis)

Mounting

Wheel Speed

Sensor

Connectors

ECU Pin-out Label

(See Page 31)

ECU Cover

(Sealed)

ECU Connector

Cover

(Removable)

Four (4) 3/8" NPT

Delivery Ports

(To Brake Chambers)

3/8" NPT Control

Port with

Integral Filter

The ECU Connector

Varies for Standard and

Premium - See Chart

Integrated

Modulator

Relay Valve

Part Number

Label

(See Page 31)

To Remove Cover

Slide Lock Tab

The Premium TABS‑6

Module uses an

18‑Pin Connector

The Standard TABS‑6

Module uses a

5‑Pin Connector

SD-13-4767

1 2 3 4 5 6 ... 31 32

Indice de contenidos

Pagina 1 - SD-13-4767

1Bendix® TABS-6 Trailer ABS ModuleFIGURE 1 - TABS-6 STAndARd And PREmIUm mOdULESINTRODUCTIONThe Bendix® TABS-6 module is an integrated trailer

Pagina 2 - Frame (Chassis) Mount

10Display CongurationTo check the ABS conguration, apply ignition power and depress / release the brake pedal 6 times within 15 seconds. Foll

Pagina 3 - PIGTAIL WIRING HARNESSES

11Diagnostic Trouble Codes (DTCs) (continued) 1st 2nd Fault Description Repair Information J1587 J1587 Digit Digit (SID) (F

Pagina 4 - POWER AND GROUND

12J1587 DIAGNOSTIC 12 1 J1587 diagnostics shorted or open • Check for corroded/damaged wiring or connectors 250 3, 4, 5 between the EC

Pagina 5

13Troubleshooting: Using Hand-Held or PC-Based Diagnostic ToolsUSING HAND-HELD OR PC-BASED DIAGNOSTICSTroubleshooting and diagnostic trouble code clea

Pagina 6 - Bracket (Chassis) Mounted

14How the Bendix® TRDU™ Tool OperatesWhen the TRDU™ tool is plugged into the adapter, and the adapter/TRDU™ tool is installed between t

Pagina 7 - Status Indicators

15service engineers, Bendix account managers, international contacts and more. Bendix.com is your complete Bendix resource.Bendix Technical Assistanc

Pagina 8 - AUTO-CONFIGURATION

16hardware is needed, use grade-5 3/8-18 bolts, nuts and lock washers for the frame-mount unit, or a schedule 80 (heavy gauge steel) ¾" nipple fo

Pagina 9 - BLINK CODE DIAGNOSTICS

17FIGURE 20 - STAndARd TABS-6 mOdULE (5-PIn ECU COnnECTOR) ELECTRICAL SCHEmATIC - 2S/1mFIGURE 21 - PREmIUm TABS-6 mOdULE (18-PIn ECU COnnECTOR) ELECTR

Pagina 10 - Resetting ABS Conguration

18Troubleshooting: System Schematics2S/1M - AXLECONTROLTrailer Chassis Harness ABS Dual Axle Trailer Bendix SR-5™ Trailer Spring Brake Valve Trailer

Pagina 11 - (continued)

192S/2M - AXLE CONTROLTrailerChassis HarnessABSDual Axle TrailerTrailer ABSPigtail Harness5-PINCONNECTORIgnitionPowerBrake LightPowerGround7-PINCONNEC

Pagina 12

2COMPONENTSInstallations of the TABS-6 Module typically utilize the following components:• Bendix® WS-24™ wheel speed sensors (2 or 4,

Pagina 13 - PC-Based Diagnostic Tools

204S/2M - SIDE CONTROLTrailerChassis HarnessABSDual Axle TrailerTrailer ABSPigtail Harness5-PINCONNECTORIgnitionPowerBrake LightPowerGround7-PINCONNEC

Pagina 14

21ABSTri-Axle Trailer4S/3M - SIDE/AXLE CONTROLTrailerChassis HarnessTrailer ABSPigtail Harness5-PINCONNECTORIgnitionPowerBrake LightPowerGround7-PINCO

Pagina 15

22Troubleshooting FlowchartsDiagnostic trouble code information can be retrieved from the TABS-6 module by using blink code diagnostics, or a diagnost

Pagina 16 - ABS WIRING

23SECTION A: (POWER-UP SEQUENCE) TRAILER-MOUNTED ABS INDICATOR LAMP

Pagina 17 - Controller

24SECTION B: (POWER-UP SEQUENCE) DASH-MOUNTED ABS INDICATOR LAMP

Pagina 18 - 2S/1M - AXLE

25SECTION C: DIAGNOSTIC TROUBLE CODE (DTC) BLINK CODE QUICK REFERENCETo Read/Clear Diagnostic Troubleshooting Codes (DTCs):1. Apply constant power

Pagina 19 - 2S/2M - SIDE CONTROL

26SECTION D: DIAGNOSTIC TROUBLE CODE (DTC)TRDU™ TOOL LED QUICK REFERENCEODOM1PowerSystem OK - A solid green VLT LED indicates propervoltage is reachin

Pagina 20 - 4S/2M - SIDE CONTROL

27SECTION E: TROUBLESHOOTING THE TRAILER-MOUNTEDABS INDICATOR LAMP CIRCUITRYLooking into Standard TABS-6 Module Wire Harness (Pin D ABS Indicator Lamp

Pagina 21 - 4S/3M - SIDE/AXLE CONTROL

28SECTION F: TROUBLESHOOTING THEPOWER SUPPLYMeasure the loaded voltage across a type 1157 brake light bulb.Looking into Premium TABS-6 Module Wire H

Pagina 22 - Troubleshooting Flowcharts

29SECTION G: TROUBLESHOOTING THEWS-24™ WHEEL SPEED SENSORS (WSS)Looking into Premium TABS-6 Module Wire Harness when Additional Wheel Speed Sensors ar

Pagina 23

3FIGURE 2 - POWER LInE WITHOUT PLC SIGnALFIGURE 3 - POWER LInE WITH PLC SIGnALSuggested oscilloscope settings are (AC coupling, 1 volt/div, 100 µsec/d

Pagina 24

30SECTION H: TROUBLESHOOTING THE MODULATOR RELAY VALVESPin 10 is MOD3 releasePin 4 is MOD3 CommonPin 16 is MOD3 HoldLooking into Modulator Connector P

Pagina 25 - BLINK CODE QUICK REFERENCE

31ECU Part Number LabelThe external part number label is located on the relay valve portion of the module. Label shown above is located under the rem

Pagina 26 - TOOL LED QUICK REFERENCE

Pagina 27 - ABS INDICATOR LAMP CIRCUITRY

4ABS INDICATOR LAMPTrailer-mounted LampThe TABS-6 module controls an ABS indicator lamp to show the trailer ABS status. With power supplied by the to

Pagina 28 - POWER SUPPLY

5FIGURE 6 - BEndIx® WS-24™ WHEEL SPEEd SEnSORS90° Speed SensorsStraight Speed SensorsSensor ClampingSleeve1. For increased corrosion protection w

Pagina 29 - WHEEL SPEED SENSORS (WSS)

6Tank (Nipple) MountedThe BR9235™ MRV can be tank-mounted using a schedule 80 (heavy gauge steel) 3/4" NPT nipple directly between the trailer su

Pagina 30 - MODULATOR RELAY VALVES

7Trailer ABS indicator lampAt power-up without detected faults, the trailer ABS indicator lamp will turn on for 2.5 seconds as a bulb check and

Pagina 31 - FIGURE 22 - LABEL InFORmATIOn

8ODOMETER FUNCTIONOdometerThe TABS-6 module includes an odometer function to provide a means of storing the accumulated mileage of the vehicle.

Pagina 32

9PARTIAL ABS SHUTDOWNDepending on the trouble code detected, the ABS ECU partly or completely disables the ABS functionality. The trailer ABS

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