TABLE OF CONTENTS
1.0 INTRODUCTION .........................................................1
1.1 SYSTEM COVERAGE ...............................................1
1.2 SIX-STEP TROUBLESHOOTING PROCEDURE ..........................1
2.0 IDENTIFICATION OF SYSTEM .............................................1
3.0 SYSTEM DESCRIPTION AND FUNCTIONAL OPERATION ......................1
3.1 TEVES MARK 20I SYSTEM DESCRIPTION..............................1
3.1.1 PEDAL FEEL/VEHICLE CHARACTERISTICS.....................2
3.1.2 SYSTEM COMPONENTS.....................................2
3.1.3 ABS AND BRAKE WARNING INDICATORS......................2
3.1.4 CONTROLLER ANTILOCK BRAKE (CAB) .......................2
3.1.5 HYDRAULIC CONTROL UNIT .................................3
3.1.6 RELAYS/SWITCHES.........................................3
3.1.7 SENSORS .................................................3
3.2 DIAGNOSTIC TROUBLE CODES ......................................4
3.2.1 SYSTEM INITIALIZATION ....................................4
3.2.2 DIAGNOSTIC MODE ........................................4
3.2.3 INTERMITTENT DIAGNOSTIC TROUBLE CODES ................4
3.3 AXLE LOCK........................................................4
3.3.1 GENERAL .................................................4
3.3.2 DESCRIPTION .............................................4
3.4 USING THE DRBIIIT .................................................5
3.5 DRBIIIT ERROR MESSAGES .........................................5
3.5.1 DRBIIIT DOES NOT POWER UP (BLANK SCREEN) ..............5
3.5.2 DISPLAY IS NOT VISIBLE ....................................5
4.0 DISCLAIMERS, SAFETY WARNINGS .......................................5
4.1 DISCLAIMERS......................................................5
4.2 SAFETY ...........................................................6
4.2.1 TECHNICIAN SAFETY INFORMATION..........................6
4.2.2 VEHICLE PREPARATION FOR TESTING........................6
4.2.3 SERVICING SUB-ASSEMBLIES ...............................6
4.2.4 DRBIIIT SAFETY INFORMATION ..............................6
4.3 WARNING .........................................................6
4.3.1 VEHICLE DAMAGE WARNINGS ...............................6
4.3.2 ROAD TESTING A COMPLAINT VEHICLE .......................7
4.4 DIAGNOSIS........................................................7
5.0 REQUIRED TOOLS AND EQUIPMENT ......................................7
6.0 GLOSSARY OF TERMS...................................................8
7.0 DIAGNOSTIC INFORMATION AND PROCEDURES ............................9
BRAKES (CAB)
CAB POWER FEED CIRCUIT .............................................10
CONTROLLER FAILURE .................................................13
G-SWITCH NOT PROCESSABLE ..........................................15
LEFT FRONT SENSOR CIRCUIT FAILURE ..................................19
LEFT REAR SENSOR CIRCUIT FAILURE ...................................19
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