Volvo Trucks VN VHD SRS Airbag Safety Belts and Bunk Restraints Manual – PDF DOWNLOAD

Description

Volvo Trucks VN VHD SRS Airbag Safety Belts and Bunk Restraints Manual – PDF DOWNLOAD

DESCRIPTION:

Volvo Trucks VN VHD SRS Airbag Safety Belts and Bunk Restraints Manual – PDF DOWNLOAD

Foreword :

• The descriptions and service procedures contained in this manual are based on designs and
  methods studies carried out up to April 2001.
• The products are under continuous development. Vehicles and components produced after
  the above date may therefore have different specifications and repair methods. When this is
  judged to have a significant bearing on this manual, supplementary service bulletins will be
  issued to cover the changes.
• The new edition of this manual will update the changes.
• In service procedures where the title incorporates an operation number, this is a reference to
  V.S.T. (Volvo Standard Times).
• Service procedures which do not include an operation number in the title are for general
  information and no reference is made to V.S.T.

The following levels of observations, cautions and warnings are used in this Service
Documentation:
Note: Indicates a procedure, practice, or condition that must be followed in order to have the
vehicle or component function in the manner intended.
Caution: Indicates an unsafe practice where damage to the product could occur.
Warning: Indicates an unsafe practice where personal injury or severe damage to the product
could occur.
Danger: Indicates an unsafe practice where serious personal injury or death could occur.

TABLE OF CONTENTS:

Volvo Trucks VN VHD SRS Airbag Safety Belts and Bunk Restraints Manual – PDF DOWNLOAD

General ……………………………………………………………… 3
SRS Airbag, Safety Belts and Bunk Restraints ……… 3
Specifications ……………………………………………………. 5
SRS Components, Torque Values ……………………….. 5
Safety Belts and Bunk Restraints, Torque Values ….. 5
Tools …………………………………………………………………. 7
Special Tools …………………………………………………….. 7
Other Special Equipment ……………………………………. 8
Design and Function ………………………………………….. 9
Safety Belts and Bunk Restraints ………………………….. 9
Supplemental Restraint System (SRS) …………………. 10
System Overview …………………………………………….. 10
Supplemental Restraint System (SRS) Components
………………………………………………………………. 11
SRS Control Unit (ECU) …………………………………. 11
Control Unit Connector …………………………………… 12
Airbag Module ……………………………………………….. 13
Airbag Module Connector ……………………………….. 14
Contact Reel …………………………………………………. 14
SRS Indicators (vehicles built prior to 3/99) ………. 15
SRS Indicators (vehicles built from 3/99) ………….. 16
Diagnostic System with Fault Codes ………………… 17
SRS Wiring Harness ………………………………………. 17
Supplemental Restraint System (SRS) Wiring Diagram
………………………………………………………………. 18
Troubleshooting ……………………………………………….. 21
General Work Practices ……………………………………. 21
Test Resistor, Checking …………………………………….. 21
Connecting the Test Resistor …………………………….. 22
Reading Fault Codes ……………………………………….. 23
MID 232 SID 254 FMI 12 Airbag Control Unit,
Component Failure …………………………………………… 30
MID 232 SID 1 FMI 6 Igniter Loop, Current
High/Short Circuit …………………………………………….. 31
MID 232 SID 1 FMI 5 Igniter Loop, Current
Low/Open Circuit ……………………………………………… 35
MID 232 SID 1 FMI 4/3 Igniter Loop, Voltage
Shorted Low/High …………………………………………….. 39
MID 232 SID 240 FMI 14 SRS Airbag, Crash
Data Stored …………………………………………………….. 43
Faults Which Do Not Generate a Fault Code ………. 44
SRS Lamp Does not Light ………………………………. 44
SRS Lamp Does not Light and “Not Responding”
Message in Diagnostic Display ………………….. 44
The SRS Lamp is Lighting but no Fault Code is
Stored …………………………………………………………… 45
Routines for a Damaged/Faulty Airbag Module ……. 46
Safety Belts and Bunk Restraints, Inspection ………. 47
Service Procedures ………………………………………….. 51
General Work Practices ……………………………………. 51
After the Airbag Deploys …………………………………… 51
Airbag Module/Contact Reel, Replacement …………. 52
SRS ECU, Replacement …………………………………… 57
SRS Wiring Harness, Replacement ……………………. 59
Safety Belt, Replacement (One) ………………………… 63
National Seat …………………………………………………. 63
Safety Belt, Replacement (One) ………………………… 65
Volvo Seat …………………………………………………….. 65
Lower Bunk Restraint, Replacement …………………. 68
VN 420/610/660 …………………………………………….. 68
Lower Bunk Restraint, Replacement ………………….. 70
VN 770 …………………………………………………………. 70
Upper Bunk Restraint, Replacement ………………….. 72
VN 610/660 …………………………………………………… 72
Upper Bunk Restraint, Replacement ………………….. 75
VN 770 …………………………………………………………. 75
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Operation Numbers

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VOLVO TRUCKS VN VHD SRS AIRBAG SAFETY BELTS AND BUNK RESTRAINTS MANUAL – PDF DOWNLOAD:

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• This is the same manual used by the dealers to diagnose and troubleshoot your vehicle
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