Volvo ECS Assembly instructions

TRAINING TIPS

AND TACTICS

Electronically Controlled

Suspension - ECS

Contents

General information

ECS general description 11

ECS evolution 15

Suspension conﬁgurations 17

Air suspension air supply 21

Overﬂow valves 23

Height sensors 25

Air bellows 31

Use IMPACT 35

ECS Generation 1

In-cab components 39

Status display icons 41

Component locations 43

ECU - data link 45

ECU power supply relay

- 3019B 47

Solenoid valve blocks

- design and function 49

Solenoid valve operation 51

Solenoid valve block:

- front axle 55

- drive axle (Not 4x2 tractor) 57

- drive axle (4x2 tractor) 61

- bogie 63

Overﬂow valves & distribution

manifolds 69

Pressure control valve 73

Remote control - 9010 77

Remote control - 9009 79

Changing the ride height 81

Interlock mode 83

Changing the ride height in

interlock mode 85

Memory - store & recall 85

Bogie switch 87

Solenoid valve relay - 3019A 91

Air & electrical circuits - full air 95

Level control - switch off 97

Height sensor calibration 99

Test equipment 103

VCADSPro 107

ECS Generation 2

Main components 111

Main differences

- Gen. 1/Gen. 2 111

ECU - data link 115

ECU power supply 117

Solenoid valve blocks

- design and function 119

Solenoid valve operation 121

Solenoid valve blocks:

- front axle 125

- drive axle (Not 4x2 tractor) 127

- drive axle (4x2 tractor) 129

- drive axle - raise 131

- drive axle - hold 133

- drive axle - lower 135

Electrical connections 4x2 137

Solenoid valve blocks:

- 6x2 or 8x2 ignition off 141

- 6x2 or 8x2 raise 143

- 6x2 or 8x2 lower 145

- 6x2 or 8x2 axle lift 147

- 6x2 or 8x2 axle lower 149

Solenoid valve blocks:

- pusher axle 151

Pressure sensors 153

Overﬂow valves 155

Bogie switch 157

Main instrument panel 163

Additional functions 165

Height sensor calibration 181

ECS Generation 3

Introduction 184

Component locations 184

Remote control 186

ECU 188

Solenoid valve blocks 190

Introduction

About this

Pocket guide

This guide is intended as a memory jogger for the

knowledge you have gained during your training course.

The guide includes a summary of the material covered in:

Electronically Controlled Suspension - ECS

Danger,

Warning,

Caution &

Note

In this guide, risk of injury or damage is indicated by the

following headings:

DANGER - indicates a risk of serious personal injury or

death.

WARNING - indicates a risk of personal injury, or severe

product damage.

CAUTION - indicates risk of product damage.

Note - draws attention to special methods or particular

features.

Read and implement all DANGER, WARNING and

CAUTION instructions.

Replacement

parts

When replacement parts are required, it is essential that

only Volvo genuine parts are ﬁtted. If Volvo genuine parts

are not used:

- safety features embodied in the vehicle or components

may be impaired.

- performance and/or operation of the vehicle or

components may be adversely affected.

- Volvo warranty terms may be invalidated.

Speciﬁcation Volvo are constantly seeking ways to improve their

products, and alterations take place accordingly.

Whilst every effort has been made to ensure the accuracy

of this guide, it should not be regarded as an infallible guide

to current speciﬁcations of any product.

Neither Volvo, nor the supplier of this guide shall, in

any circumstances, be held liable for inaccuracy or the

consequences thereof.

reproduced, stored in a retrieval system, transmitted or

copied without written permission from Volvo Truck & Bus

Ltd.

Volvo Truck & Bus Ltd. 2005

General information

General

information

The information in this section applies to all Generations of

ECS.

Information speciﬁc to each Generation is found in the

sections - Gen. 1, Gen. 2 or Gen. 3.

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