Service Manual Volvo Trucks


THIS MANUAL COVERS THE FOLLOWING SUBJECTS:
SRS Airbag
Safety Belts
Bunk Restraints
FOR MODELS : VN & VHD


Contents
General
SRS Airbag, Safety Belts and Bunk Restraints
Specifications
SRS Components, Torque Values
Safety Belts and Bunk Restraints, Torque Values
Tools
Special Tools
Other Special Equipment
Design and Function
Safety Belts and Bunk Restraints
Supplemental Restraint System (SRS)
System Overview
Supplemental Restraint System (SRS) Components
SRS Control Unit (ECU)
Control Unit Connector
Airbag Module
Airbag Module Connector
Contact Reel
SRS Indicators (vehicles built prior to 3/99)
SRS Indicators (vehicles built from 3/99)
Diagnostic System with Fault Codes 7
SRS Wiring Harness
Supplemental Restraint System (SRS) Wiring Diagram
Troubleshooting
General Work Practices
Test Resistor, Checking
Connecting the Test Resistor
Reading Fault Codes
MID 232 SID 254 FMI 12 Airbag Control Unit,
Component Failure
MID 232 SID 1 FMI 6 Igniter Loop, Current
High/Short Circuit
MID 232 SID 1 FMI 5 Igniter Loop, Current
Low/Open Circuit
MID 232 SID 1 FMI 4/3 Igniter Loop, Voltage
Shorted Low/High
MID 232 SID 240 FMI 14 SRS Airbag, Crash
Data Stored
Faults Which Do Not Generate a Fault Code
SRS Lamp Does not Light 44
SRS Lamp Does not Light and Not Responding
Message in Diagnostic Display
The SRS Lamp is Lighting but no Fault Code is
Stored
Routines for a Damaged/Faulty Airbag Module
Safety Belts and Bunk Restraints, Inspection
Service Procedures
General Work Practices
After the Airbag Deploys
Airbag Module/Contact Reel, Replacement
SRS ECU, Replacement
SRS Wiring Harness, Replacement
Safety Belt, Replacement (One)
National Seat
Safety Belt, Replacement (One)
Volvo Seat
Lower Bunk Restraint, Replacement
VN 420/610/660
Lower Bunk Restraint, Replacement
VN 770
Upper Bunk Restraint, Replacement
VN 610/660
Upper Bunk Restraint, Replacement
VN 770