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INSTALLATION/SERVICE MANUAL Stability Module (L31288W) TM

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Page 1: INSTALLATION/SERVICE MANUAL · This manual has been designed to assist personnel in satifactory installation of Haldex ITCM Stability Module onto semi and full trailers. The intention

INSTALLATION/SERVICEMANUAL

Stability Module (L31288W)TM

Page 2: INSTALLATION/SERVICE MANUAL · This manual has been designed to assist personnel in satifactory installation of Haldex ITCM Stability Module onto semi and full trailers. The intention

Product OptionsThis manual has been designed to assist personnel in satifactory installation of Haldex ITCM Stability Module onto semi and full trailers. The intention has been to illustrate various aspects of the installation. It is expected that this manual will be in possession of the appropriate person throughout their training and experience and that the manual will be used as:

A) A teaching aid following supervision of a Haldex engineer.B) A reminder of the correct procedure of Haldex ITCM Stability.

Safety FirstThis manual describes the correct installation process for the Haldex ITCM Stability Module. Care must be taken during each phase of the installation in order to ensure the system is installed and working properly.

Please follow your company’s safety procedures at all times when installing this equipment. Be sure that you understand all instructions before you begin.

Remove all air pressure and electrical power from the brake system before beginning work.

Replacement PartsUse appropriate spare parts documentation when obtaining spare parts. Only use Genuine Haldex replacement parts in repairs.

Questions?If you have any questions on this product or any of the innovative products offered by Haldex, contact your local distributor for complete details. Technical Service or Troubleshooting help can be obtained by calling Haldex Technical Services Department at 800-643-2374, Press 2.

Important Notices

The products described within this literature, including without limitation, product features, specifications, designs, availability and pricing are subject to change by Haldex and its subsidiaries at any time without notice. This document and other information from Haldex, its subsidiaries and authorized distributors provide product and/or system options for further investigation by users having technical expertise. It is important that you analyze all aspects of your application and review the information concerning the product or system, in the current literature or catalog. Due to the variety of operating conditions and applications for these products or systems, the user, through their own analysis and testing, is solely responsible for making the final selection of the products and systems and assuring that all performance, safety and warning requirements are met.

STABILITY MODULEINSTALLATION/SERVICEGUIDE (L31288W)

TM

Page 3: INSTALLATION/SERVICE MANUAL · This manual has been designed to assist personnel in satifactory installation of Haldex ITCM Stability Module onto semi and full trailers. The intention

Table of Contents

Introduction ..........................................................................................................................2ITCM Stability Module General Components 1M System Components .................................................................................................3 2M, 3M System Components .........................................................................................4ITCM Stability Module Installation Dimensions and Port Identification ...............................................................................5 Orientation of the Stability Module ..............................................................................6 Position of the Stability Module Assembly ................................................................. 7-9 Connecting/Disconnecting ITCM Stability Module to ITCM Connection Cable .........10 Handling Excess Cable ...................................................................................................11 Plumbing Requirements ................................................................................................12 Plumbing Schematics 1M Stability Module Application ............................................................................13 2M Stability Module Application ............................................................................14 3M Stability Module Application ............................................................................15 ABS Configurations with Stability Module 2S/1M Single or Multi-Axle Trailers ..............................................................................16 2S/2M Side-By-Side Configuration (Multi-Axle Trailers) ..............................................17 4S/2M Side-By-Side Configuration (Multi-Axle Trailers) ..............................................18 4S/2M Side-By-Side Configuration (Multi-Axle Trailers with Lift Axles) .....................19 4S/2M Axle-By-Axle Configuration (Multi-Axle Trailers) .............................................20 4S/2M Axle-By-Axle Configuration (Multi-Axle Trailers with Lift Axles) ....................21 4S/3M Full or Semi-Trailers ............................................................................................22Stability Module Painting Requirements ...........................................................................23Stability Module Programming and Diagnostics ...............................................................24

©2018 All Rights ReservedMaterial may only be reproduced with the written permission of Haldex.

Section Page

Additional InformationInstallation and Troubleshooting Guides available on the Haldex website.

Anti-Lock Braking Systems (ABS)Installation/Service Manual (L30041)https://www.haldex.com/globalassets/north-america/documents/abs/l30041.pdf

Brake Monitoring System (BMS-1) Installation/Service Manual (L31250W)https://www.haldex.com/globalassets/north-america/documents/abs/l31250W

Intelligent Trailer Control Module (ITCM)Installation/Service Manual (L31286W)https://www.haldex.com/globalassets/north-america/documents/l31286W.pdf

Brake Monitoring System (BMS)Installation/Service Manual (L31290W)https://www.haldex.com/globalassets/north-america/documents/l31290W.pdf

STABILITY MODULEINSTALLATION/SERVICEGUIDE (L31288W)

TM

Page 1

Page 4: INSTALLATION/SERVICE MANUAL · This manual has been designed to assist personnel in satifactory installation of Haldex ITCM Stability Module onto semi and full trailers. The intention

The Stability Module is a plug-in extension for the trailer ITCM ABS ECU which provides rollover control or other active braking applications (by combination with additional ABS software and hardware).

The Stability Module for ITCM is plumbed in series between the Control/Signal/Blue gladhand and the control input or Port #4 on the ABS valve. The Stability Module communicates with the ITCM ECU over the Haldex CAN bus for rollover control or other active braking applications.

The Stability Module contains sensors to monitor the Control/Signal/Blue line air pressure, as well as, the suspension air pressure if equipped with an air bag suspension. The trailer’s movements are monitored by an internal accelerometer and communicated to the ITCM ECU. If a threshold value of acceleration is reached the ITCM will command the Stability Module to apply a series of brief test pulses of control air to the ABS valve. The test pulses are just large enough to brake a freely spinning wheel but not a loaded wheel end. If the tested wheel end responds to the test pulse confirming the pending rollover a large brake application is initiated to slow and stabilize the trailer.

System OverviewIntroduction

STABILITY MODULEINSTALLATION/SERVICEGUIDE (L31288W)

TM

Page 2

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STABILITY MODULEINSTALLATION/SERVICEGUIDE (L31288W)

TM

ITCM 1M System Components“See Haldex Trailer ABS Service Components Catalog (L20243) for additional informationon Haldex ABS Brake Products”

Required Items

ITCM 1M Valves with ITCM ECU (use one)

FFABS Valve

(2-port or4-port)

ABS RelayValve

(6-port)

ABS Relay Valve

(2-port)

Trailer Brake Control Valve (TBCV) shown or

(RT4 Valve)

Haldex CAN Diagnostic Tools

(PC Not Included)

Software

Diagnostic Interface Cables - PC to ITCM

Info Center 2

DIAG+ PC Diagnostics Kit

Additional Recommended Installation Aids

Tie Straps Sensor Cable Connection Clip

Sensor Cable To Hose Clip

Sensor Block ClipStability Module ABS Light

90° Sensor Cable

Page 3

CAN Cable

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STABILITY MODULEINSTALLATION/SERVICEGUIDE (L31288W)

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ITCM 2M, 3M System Components“See Haldex Trailer ABS Service Components Catalog (L20243) for additional informationon Haldex ABS Brake Products”

Required Items

ITCM 2M, 3M Valves with ITCM ECU (use one)

FFABS Valve

(2- or 4-port)

ABS RelayValve

(6-port)

ABS Relay Valve

(2-port)

Sensor Block Clip ABS Light

90° Sensor Cable

Trailer Brake Control Valve (TBCV) shown or

(RT4 Valve)

Haldex CAN Diagnostic Tools

(PC Not Included)

Software

Diagnostic Interface Cables - PC to ITCM

Info Center 2

DIAG+ PC Diagnostics Kit

Additional Recommended Installation Aids

Tie Straps Sensor Cable Connection Clip

Sensor Cable To Hose Clip

CAN Cable Remote Valve Cable

Page 4

Stability Module

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STABILITY MODULEINSTALLATION/SERVICEGUIDE (L31288W)

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ITCM Stability ModuleDimensions and Port Identification

5.79” (147 mm)

4 41

2

5.20” (132 mm)

PORT CALLOUT DESCRIPTION NOTES

1 Supply port (emergency “red” line) 3/8” NTP 2 Delivery 3/8” NTP

2-1 Reservoir 1/2” NTP* 4 Control port (service “blue” line) 3/8” NTP

41 Air suspension port (only used with 3/8” NTP Air Ride Suspension, plug for use with

Spring Suspension)

2-1

1.93

” (4

9 m

m)

4.05

” (1

03 m

m)

1

THIS WAY UP

PART NO. PORTS VOLTAGE TRAILER TYPE1

364619001 Imperial 12 V Air Suspension/Spring Suspension

3.86” (98 mm)

Page 5

* Torque the Port 2-1 fittings to a value of 55-70 ft.-lbs. DO NOT use teflon tape.

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Installation of the Stability ModuleOrientation of the Stability Module

The Stability Module may either be frame mounted to the trailer chassis or reservoir mounted . The following guidelines apply to either method of installation, tank or frame.

Regardless of the attachment method the orientation of the Stability module must be made known to the ITCM ECU for correct operation. The orientation may be configured with the DIAG+ Software or learned during the first trip of the trailer.

If the orientation is to be learned then the trailer must have at least two maneuvers performed. A straight-line stop of at least 30 mph at 30 PSI and a left or right turn. It does not matter if the turn is performed first or second.

STABILITY MODULEINSTALLATION/SERVICEGUIDE (L31288W)

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90° Rotation

0° Rotation

180° Rotation

270° Rotation

Until the orientation is successfully learned or programmed, the ABS warning lamp will slowly flash while the vehicle is in motion.

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Installation of the Stability Module (cont’d)Position of ITCM Stability Module Assembly

If the Stability Module is oriented forwards or rearwards follow the guidelines on this page.

The following orientation parameters are required in the ITCM Stability Module Assembly for correct operation.

STABILITY MODULEINSTALLATION/SERVICEGUIDE (L31288W)

TM

Trailer X YSemi 59” (1.5 m) 59” (1.5 m)Center Axle 59” (1.5 m) 59” (1.5 m)

Roll angle : ± 3 ° (1:20)

Yaw angle : ± 5 °

The ITCM Stability Module Assembly must be mounted within distance X & Y from the centerline of the rear axle group / bogie (includes lift axles).

Haldex recommended position for maximum stability performance. Installation of the ITCM Stability Module outside of this area may affect the performance of the unit.

The ITCM Stability Module Assembly must be installed with the main left hand (LH) and right hand (RH) chassis members of the vehicle.

For any other installations contact the Haldex Technical Services Department at 1-800-643-2374, Press #2.

3 º

3 º

3 º

3 º

Within LH & RHchassis members

X Y

Rear view

Plan View

5 º 5 º

5 º 5 º

Single or Tri-axle

Within LH & RHchassis members

Tandem axle

X Y

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Installation of the Stability Module (cont’d)Position of ITCM Stability Module Assembly

If the Stability Module is oriented to the road or curb side of the trailer follow the guidelines on this page.

The following orientation parameters are required in the ITCM Stability Module Assembly for correct operation.

STABILITY MODULEINSTALLATION/SERVICEGUIDE (L31288W)

TM

Roll angle : ± 3 ° (1:20)

Yaw angle : ± 5 °

The ITCM Stability Module Assembly must be mounted within distance X & Y from the centerline of the rear axle group / bogie (includes lift axles).

Haldex recommended position for maximum stability performance. Installation of the ITCM Stability Module outside of this area may affect the performance of the unit.

The ITCM Stability Module Assembly must be installed with the main left hand (LH) and right hand (RH) chassis members of the vehicle.

For any other installations contact the Haldex Technical Services Department at 1-800-643-2374, Press #2.

3 º

3 º

3 º

3 º

Within LH & RHchassis members

X Y

Rear view

Plan View

5 º 5 º

5 º 5 º

Single or Tri-axle

Within LH & RHchassis members

Tandem axle

X Y

Trailer X YSemi 59” (1.5 m) 59” (1.5 m)Center Axle 59” (1.5 m) 59” (1.5 m)

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THIS WAY UP

THIS WAY UP

Installation of the Stability Module (cont’d)Position of ITCM Stability Module Assembly

If the Stability Module is to be frame mounted follow these guidelines:

The ITCM Stability Module Assembly must bemounted vertically.

Position the Assembly as high as possible in the chassisto provide protection from direct spray and other road debris. This will also protect the Assembly against highpressure cleaning and allow acceptable hose routing.

The hose connection between the reservoir and the StabilityModule Port 2-1 should be as short as possible. Use nylontubing no smaller than 1/2” in diameter and no longer than13 feet (4 m) in length.

Torque the Port 2-1 fittings to a value of 55-70 ft.-lbs. DO NOTuse teflon tape.

If the Stability Module is to be mounted to a bracket, followthese guidelines:

Additional bracket design should be as rigid as possible.

The mounting must provide an electrical connection betweenthe ITCM Stability Module ECU and the vehicle chassis.

The mounting bracket flatness must not deviate more than.020 in (0.5 mm) from its true plane. The surface must liebetween two parallel planes .020 in (0.5 mm) apart.

Secure the ITCM Stability Module using bolts, flat washers and non-corrosive self-locking nuts.

The recommended fixing screw bolt size is 5/16-18 in (M8 x 1.25) with a 13/16 in (20.5 mm) washer. Fixed with a minimum torque of 25 --- 24 ft-lb (35 --- 32 nm).

The ITCM Stability Module mounting bolts, washers,locking nuts, etc. must be protected from corrosion togive 200 hours salt spray resistance.

Check continuity between ITCM Stability Module mounting and the vehicle frame. Resistance (R) should be less than 5 ohms (0 < R < 5 ohms).

STABILITY MODULEINSTALLATION/SERVICEGUIDE (L31288W)

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.02” (.5 mm)

.16” (4 mm) minimum

Mounting Bracket

Fixing hole

Fixing Screw

0 5Ω

Page 9

ContactRequired

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STABILITY MODULEINSTALLATION/SERVICEGUIDE (L31288W)

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ECU ECU

OECU

P

‘Click’

Connecting/DisconnectingITCM Stability Module to ITCM Connection Cable.

Connect the ITCM ECU to the Stability Module with theHaldex 4 conductor CAN Cable as shown.

Locate the locking tab “O” position.

Using a flat bladed screwdriver “P”, insert andpress in the locking tab of the plug. While depressed, pull the plug out from the housing.

Identify Orientation

> Black body connector.

> Ensure contact pins and seal are kept clean and free of any contamination prior to installation. Insert fully home.

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Ø150 max 100 min

B

Ø100 min

Sensor 1A

Sensor 1B

Solenoid

Sensor 1A

Sensor 1B

Solenoid

STABILITY MODULEINSTALLATION/SERVICEGUIDE (L31288W)

TM

Handling Excess Cable

Excess cable must not be allowed to hang free, but must be attached to the chassis to prevent damage due to vibration and abrasion.

Cable lengths less than 40” (1 m) should becoiled into loops of 4”- 6” (100-150 mm) diameter.

Excess length which will not form a complete loop may be left to hang in partial loops having a cable bend radius of 2” (50 mm) minimum.

Cable lengths greater than 40” (1 m) should be coiled and then flattened in the center ‘B’ to produce a ‘dog bone’ shape.

The resulting loops at the end must have a minimum bend radius of 2” (50 mm). Usecable ties to fix the cable in the flattened loop shape.

Looped cables must be staggered, do not loop cables in the same place.

Page 11

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STABILITY MODULEINSTALLATION/SERVICEGUIDE (L31288W)

TM

Plumbing RequirementsGeneral Plumbing Information

› Actual hose sizes need to be optimized for individual trailer response time requirements

› Some hoses have defined minimum diameters and maximum lengths as defined in subsequent plumbing schematics

› All hoses to comply to recognized international standards

› Nylon tube to SAE J844, rubber hose to SAE 1402

› The referenced sizes are defined as guidelines only

› For optimum performance all hose lengths should be as short as possible

Hose Fittings

Avoid elbows as much as possible. If essential, use swept type elbow.

Inside diameter of fitting should be the same as the inside pipe diameter it is serving.

Note: NEVER USE tape (PTFE) during the installation of the ITCM Stability Module. Warranty claims will not be accepted from tape induced faults.

Page 12

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STABILITY MODULEINSTALLATION/SERVICEGUIDE (L31288W)

TM

Plumbing Schematic1M Stability Module Application

Bottom View Shown. Haldex FFABS is shown, a two- or six-port ABS Relay Valve may also be used.

The Stability Module and ABS valves are plumbed into the reservoir.

The air line between Port 2 of the Stability Module and Port 4 of the ABS valve should be no longer than 80” (2 m) in total length for a 3/8 inch tube.

CAN connection and speed sensors not shown in plumbing schematics.

Page 13

Bottom View of Reservoir and Valves

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STABILITY MODULEINSTALLATION/SERVICEGUIDE (L31288W)

TM

Plumbing Schematic2M Stability Module Application

Bottom View Shown. Haldex FFABS is shown, a two- or six-port ABS Relay Valve may also be used.

The Stability Module and ABS valves are plumbed into the reservoir.

The air line between Port 2 of the Stability Module and Port 4 of the ABS valves should be no longer than 80” (2 m) in total length for a 3/8 inch tube.

The ABS configuration may be either 2S/2M Side-By-Side, 4S/2M Side-By-Side (Recommended) or4S/2M Axle-By-Axle (Not Recommended).

CAN connection and speed sensors not shown in plumbing schematics.

Page 14

Bottom View of Reservoir and Valves

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STABILITY MODULEINSTALLATION/SERVICEGUIDE (L31288W)

TM

Plumbing Schematic3M Stability Module Application

Bottom View Shown. Haldex FFABS is shown, a two- or six-port ABS Relay Valve may also be used.

The Stability Module and ABS valves are plumbed into the reservoir.

The air line between Port 2 of the Stability Module and Port 4 of the ABS valves should be no longer than 80” (2 m) in total length for a 3/8 inch tube.

The ABS configuration must be 2S/1M lead axle with the 23 valve channel, 2S/2M, 21 and 22valve channel plumbed Side-By-Side on the trailing axle.

CAN connection and speed sensors not shown in plumbing schematics.

Page 15

Bottom View of Reservoir and Valves (without third relay valve).

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STABILITY MODULEINSTALLATION/SERVICEGUIDE (L31288W)

TM

2S/1M ABS Configuration with Stability Module (Single or Multi-Axle Trailers)

Recommended speed sensor wheel locations are shown in the figures below.

Sensor (S1A) should be installed on Road Side.Sensor (S1B) should be installed on Curb Side.

Make sure sensors are pushed firmly against the exciter ring.

Note: For dollies and single axle trailers, Haldex recommends “A8 ECU Configuration”.

Note: Any non-sensed axle can be utilized as a lift axle.

*Note: The pneumatic tube between Stability Module Port 2 and the ABS Control Port 4 should be no longer than 80” (2 m) in total length for a 3/8-inch diameter tube. Refer to Page 13 for details on the pneumatic connections of the Stability Module.

Legend

Air Hose Line:

Modulator Valve:

Stability Module:

Speed Sensors: S1A, S1B

21

ITCM

S1B S1A 21

S1BS1A

Tri-Axle

Curb----- 2S/1M -----

(Air or Spring Suspension)Road

S1BS1A 21

Tandem Axle

Curb(Air Suspension)

Road----- 2S/1M -----

S1BS1A

21

Tandem Axle

Curb(Spring Suspension)

Road----- 2S/1M -----

21

Road Curb----- 2S/1M -----

S1BS1A 21

SM

Single Axle(Air or Spring Suspension)

STABILITY MODULEINSTALLATION/SERVICEGUIDE (L31288W)

STABILITY MODULEINSTALLATION/SERVICEGUIDE (L31288W)

TM TM

SM SM

SM

SM

SM

SM SM

SM

*

* **

Page 16

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STABILITY MODULEINSTALLATION/SERVICEGUIDE (L31288W)

TM

2S/2M ABS Side-By-Side Configuration with Stability Module (Multi-Axle Trailers)

Recommended speed sensor wheel locations are shown in the figures below.

Sensor (S2A) should be installed on Road Side.

Sensor (S2B) should be installed on Curb Side.

Modulator Valve is plumbed to Road Side.

Modulator Valve is plumbed to Curb Side.

Make sure sensors are pushed firmly against the exciter ring.

Note: Any non-sensed axle can be utilized as a lift axle.

*Note: The pneumatic tube between Stability Module Port 2 and the ABS Control Port 4 should be no longer than 80” (2 m) in total length for a 3/8-inch diameter tube. Refer to Page 14 for details on the pneumatic connections of the Stability Module.

Legend

Air Hose Line:

Modulator Valve:

Stability Module:

Speed Sensors: S2A, S2B

21

22

21 22

ITCM

S2B S2A 21

22

CurbRoad----- 2S/2M -----

Tandem Axle(Spring Suspension)

S2BS2A

Tandem Axle

Curb----- 2S/2M -----

(Air Suspension)Road CurbRoad

----- 2S/2M -----

Tri-Axle(Air or Spring Suspension)

21 22

S2BS2A

21 22

S2BS2A 21 22

Road Curb----- 2S/1M -----

S2BS2A 21 22

Single Axle(Air or Spring Suspension)

SM

SM SM

SM

SM

*

* **

Page 17

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Recommended speed sensor wheel locations are shown in the figures below.

Sensor (S1A, S2A) should be installed on Road Side.

Sensor (S1B, S2B) should be installed on Curb Side.

Modulator Valve is plumbed to Road Side.

Modulator Valve is plumbed to Curb Side.

Make sure sensors are pushed firmly against the exciter ring.

Note: Without lift axles.

*Note: The pneumatic tube between Stability Module Port 2 and the ABS Control Port 4 should be no longer than 80” (2 m) in total length for a 3/8-inch diameter tube. Refer to Page 14 for details on the pneumatic connections of the Stability Module.

Legend

Air Hose Line:

Modulator Valve:

Stability Module:

Speed Sensors: S1A, S2A, S1B, S2B

4S/2M ABS Side-By-Side Configuration with Stability Module (Multi-Axle Trailers)

ITCM

S2B S1A 21

S1B S2A

22

CurbRoad----- 4S/2M -----

Tri-Axle(Air or Spring Suspension) (Air Suspension)

21 22

S1BS1A

S2BS2A

Quad-Axle

CurbRoad----- 4S/2M -----

S1BS1A

S2BS2A

21 22

(Spring Suspension)Quad-Axle

CurbRoad----- 4S/2M -----

S1BS1A

S2BS2A

21 22

CurbRoad----- 4S/2M -----

Tandem Axle(Air or Spring Suspension)

S1BS1A

21 22

S2BS2A

21

22

STABILITY MODULEINSTALLATION/SERVICEGUIDE (L31288W)

TM

21 22

SM

SMSM

SM

SM*

*

* *

Page 18

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STABILITY MODULEINSTALLATION/SERVICEGUIDE (L31288W)

TM

Recommended speed sensor wheel locations are shown in the figures below.

Sensor (S1A, S2A) should be installed on Road Side.

Sensor (S1B, S2B) should be installed on Curb Side.

Modulator Valve is plumbed to Road Side.

Modulator Valve is plumbed to Curb Side.

Make sure sensors are pushed firmly against the exciter ring.

Any non-sensed axle can be lifted. One sensedaxle can be used as a lift axle, but not both.

Note: At least one axle with speed sensors has to be a non-lifting axle.

*Note: The pneumatic tube between Stability Module Port 2 and the ABS Control Port 4 should be no longer than 80” (2 m) in total length for a 3/8-inch diameter tube. Refer to Page 14 for details on the pneumatic connections of the Stability Module.

Legend

Air Hose Line:

Modulator Valve:

Stability Module:

Speed Sensors: S1A, S2A, S1B, S2B

4S/2M Side-By-Side Configuration with Stability Module [Multi-Axle Trailers with Lift Axle(s)]

21

22

ITCM

S2B S1A 21

S1B S2A

22

21 22

SM

SM

SM

SM

*

*

*

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STABILITY MODULEINSTALLATION/SERVICEGUIDE (L31288W)

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Page 20

4S/2M Axle-By-Axle Configuration with Stability Module (Multi-Axle Trailers) This is a recommended configuration for spread axle applications. For Axle-By-Axle ABS configurations and Stability Module; ITCM must be configured for this application with the DIAG+ Software.

Recommended speed sensor wheel locations are shown in the figures below.

Sensor (S1A, S1B) should be installed on Road Side.

Sensor (S2A, S2B) should be installed on Curb Side.

Modulator Valve is plumbed to the trailing axle(s).

Modulator Valve is plumbed closest to the King Pin.

Make sure sensors are pushed firmly against theexciter ring.

Note: The A Sensors must go with the Modulator Valve and the B Sensors must go withthe Modulator Valve.

*Note: The pneumatic tube between Stability Module Port 2 and the ABS Control Port 4 should be no longer than 80” (2 m) in total length for a 3/8-inch diameter tube. Refer to Page 14 for details on the pneumatic connections of the Stability Module.

Legend

Air Hose Line:

Modulator Valves:

Stability Module:

Speed Sensors: S1A, S2A, S1B, S2B

21

22

21 22

21

22

CurbRoad

Tri-Axle(Air or Spring Suspension)

----- 4S/2M -----

Tandem Axle

Curb(Air or Spring Suspension)

Road----- 4S/2M -----

22

21

S2BS1B

S2AS1A

2121

22

S2AS1A

S2BS1B

Quad-Axle

Curb(Spring Suspension)

Road----- 4S/2M -----

S2BS1B

22

S2AS1A

21

Full Trailer

Curb(Air or Spring Suspension)

Road----- 4S/2M -----

22

21

S2BS1B

S2AS1A

Quad-Axle

Curb(Air Suspension)

Road----- 4S/2M -----

S2BS1B

22

S2AS1A

21

ITCM

S2B S1A 21

S1B S2A

22

SM

SM

SM SM SM

*

* * *

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4S/2M Axle-By-Axle Configuration with Stability Module [Multi-Axle Trailers with Lift Axle(s)]This is a recommended configuration for spread axle applications. For Axle-By-Axle ABS configurations and Stability Module; ITCM must be configured for this application with the DIAG+ Software.

Lift Axle Control - Axle-By-Axle Configuration

Recommended speed sensor wheel locations are shown in the figures below.

Sensor (S1A, S1B) should be installed on Road Side.

Sensor (S2A, S2B) should be installed on Curb Side.

Modulator Valve is plumbed to the trailing axle(s).

Modulator Valve is plumbed on axles closest to

the King Pin.

Make sure sensors are pushed firmly against theexciter ring.

Any non-sensed axle can be lifted. For a sensedaxle lift S1B and S2B must be used.

Note: The A Sensors must go with the Modulator Valve and the B Sensors must go with the Modulator Valve.

Note: At least one axle with speed sensors has to be on a non-lift axle.

*Note: The pneumatic tube between Stability Module Port 2 and the ABS Control Port 4 should be no longer than 80” (2 m) in total length for a 3/8-inch diameter tube. Refer to Page 14 for details on the pneumatic connections of the Stability Module.Legend

Air Hose Line:

Modulator Valves:

Stability Module:

Speed Sensors: S1A, S2A, S1B, S2B

21

22

21 22

21

22

ITCM

S2B S1A 21

S1B S2A

22

22

21

22

21

22

21

CurbRoad

Tri-Axle

----- 4S/2M -----

Tandem Axle

CurbRoad----- 4S/2M -----

S1B S2B S1A S1B

CurbRoad

Quad-Axle

----- 4S/2M -----

S2AS1A

S1B S2B

S2AS1A

Lift Axle

Lift Axle

Lift Axle

S1B S2B

S2AS1A

Lift Axle

Lift Axle

Lift Axle

STABILITY MODULEINSTALLATION/SERVICEGUIDE (L31288W)

TM

SM

SM SM

SM

* *

*

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Page 24: INSTALLATION/SERVICE MANUAL · This manual has been designed to assist personnel in satifactory installation of Haldex ITCM Stability Module onto semi and full trailers. The intention

4S/3M Configuration with Stability(Full and Semi-Trailers)This is a recommended configuration for spread axle applications. For For 3M valve applications the 23-valve Control Port 4 is plumbed upstream of the Stability Module Port 4. That is the 23-valve control signal is taken off before the Stability Module.

2S/1M

23 S1BS1A

S2BS2A

21 22

2S/1M

23 S1BS1A

2S/2M 2S/2M

S2A S2B

Full Trailer(Air or Spring Suspension)

CurbRoad

Full Trailer(Air Suspension)

CurbRoad

21 22

Semi-Trailer Tandem Axle(Air or Spring Suspension)

CurbRoad

2S/1M

2S/2M

23 S1BS1A

S2BS2A

Semi-Trailer Tri-Axle(Air Suspension)

CurbRoad

23 S1BS1A

S2BS2A

21 22

2S/1M

2S/2M

21 22

Recommended speed sensor wheel locations are shown in the figures below.

Sensor (S1A, S2A) should be installed on Road Side.Sensor (S1B, S2B) should be installed on Curb Side.

Make sure sensors are pushed firmly against theexciter ring.

*Note: The pneumatic tube between Stability Module Port 2 and the ABS Control Port 4 forthe 21 and 22 valve channels should be no longer than 80” (2 m) in total length for a 3/8-inch diameter tube. Refer to Page 15 for details on the pneumatic connections of a 3M system configuration.The 23 valve is not controlled by the Stability Module.

Legend

Air Hose Line:

Modulator Valves: , ,

Stability Module:

Speed Sensors: S1A, S2A, S1B, S2B

21 22 23

ITCM

S2B S1A 21

S1B S2A

2223

STABILITY MODULEINSTALLATION/SERVICEGUIDE (L31288W)

TM

SM

SM SM

SM SM

*

* *

*

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Page 25: INSTALLATION/SERVICE MANUAL · This manual has been designed to assist personnel in satifactory installation of Haldex ITCM Stability Module onto semi and full trailers. The intention

Mounting Face

Underside

Front Face

Left Side

Right Side

STABILITY MODULEINSTALLATION/SERVICEGUIDE (L31288W)

TM

Stability ModulePainting RequirementsMasked Areas

In the event of paint or coating work all unused connections, pneumatic ports and exhausts must be protected. These are indicated by the yellow shaded areas as shown. Adequate protection should be used to avoid penetration of the paint or coating. Install connectors / blanking plugs on all electrical ports. Also mask exhaust ports and connectors / locking areas before painting.

Painting recommendations: water based, baking for 1 hour @ 100oC.

Haldex recommends the ITCM Stability Module beinstalled on the trailer after electro-static painting.

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Page 26: INSTALLATION/SERVICE MANUAL · This manual has been designed to assist personnel in satifactory installation of Haldex ITCM Stability Module onto semi and full trailers. The intention

ITCM Stability Module to the ITCM connecting cable should be no longer than 98.43” (2.5 m) in length.

814 037 011 59” (.5 m)

814 037 011 59” (.5 m)

814 038 001 59” (.5 m)

STABILITY MODULEINSTALLATION/SERVICEGUIDE (L31288W)

TM

DIAG+ Software

The ITCM Stability Module can be programmed using DIAG+ Software Version 6 or later. Refer to DIAG+ SoftwareInstallation/Service Manual L31287W.

Available for download at haldex.com

Connecting ITCM Stability Module to DIAG+ Software and Infocenter Simultaneously

A Y-splitter and extension cables are required when connecting the ITCM Stability Module to the DIAG+ Software and Infocenter simultaneously.

Stability Module Programming and Diagnostics

Note: Some cabling details have been omitted for clarity.

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Notes:

STABILITY MODULEINSTALLATION/SERVICEGUIDE (L31288W)

TM

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Page 28: INSTALLATION/SERVICE MANUAL · This manual has been designed to assist personnel in satifactory installation of Haldex ITCM Stability Module onto semi and full trailers. The intention

Haldex develops and provides reliable and innovative solutions with focus on brake and air suspension

products to the global commercial vehicle industry.

Listed on the Stockholm Stock Exchange, Haldex has annual sales of approximately 3.9 billion SEK and

employs about 2,200 people.

haldex.com

Haldex Brake Products Corporation 10930 N. Pomona Avenue

Kansas City, MO 64153 PH: 816-891-2470 FX: 816-891-9447

Haldex Limited/Haldex Limitée 500 Pinebush Road, Unit 1

Cambridge, ON N1T 0A5 Canada PH: 519-621-6722 FX: 519-621-3924

L31288W US 6/18 WEB ONLY