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 25E SYSTEM DESCRIPTION .............................1
3.2 TRACTION CONTROL SYSTEM (TCS) DESCRIPTION (IF EQUIPPED).......1
3.3 SYSTEM COMPONENTS.............................................1
3.3.1 ABS AND BRAKE WARNING INDICATORS ......................2
3.3.2 ANTI-LOCK BRAKE MODULE .................................2
3.3.3 HYDRAULIC CONTROL UNIT .................................2
3.3.4 ABS SWITCHES/SENSORS...................................3
3.3.5 ABS INITIALIZATION ........................................3
3.3.6 ABS DIAGNOSTIC MODE ....................................3
3.3.7 TRACTION CONTROL OPERATION (IF EQUIPPED) ..............4
3.5 DIAGNOSTIC TROUBLE CODES ......................................4
3.6 FREEZE FRAME....................................................4
3.7 DRBIIIT ERROR MESSAGES AND BLANK SCREEN ......................4
3.7.1 DRBIIIT DOES NOT POWER UP...............................4
3.7.2 DISPLAY IS NOT VISIBLE ....................................4
4.0 DISCLAIMERS, SAFETY, WARNINGS .......................................5
4.1 DISCLAIMERS......................................................5
4.2 SAFETY ...........................................................5
4.2.1 TECHNICIAN SAFETY INFORMATION..........................5
4.2.2 VEHICLE PREPARATION FOR TESTING........................5
4.2.3 SERVICING SUB-ASSEMBLIES ...............................5
4.2.4 DRBIIIT SAFETY INFORMATION...............................5
4.3 WARNINGS ........................................................6
4.3.1 VEHICLE DAMAGE WARNINGS ...............................6
4.3.2 ROAD TESTING A COMPLAINT VEHICLE .......................6
4.4 DIAGNOSIS........................................................6
5.0 REQUIRED TOOLS AND EQUIPMENT ......................................6
6.0 GLOSSARY OF TERMS...................................................7
7.0 DIAGNOSTIC INFORMATION AND PROCEDURES ............................9
BRAKES (25E)
ABM INTERNAL ........................................................10
BATTERY VOLTAGE OUT OF RANGE ......................................12
BCM MESSAGES NOT RECEIVED.........................................14
INSTRUMENT CLUSTER BULB ...........................................15
LEFT FRONT WHEEL SPEED SENSOR CIRCUIT ............................17
REAR WHEEL SPEED SENSOR CIRCUIT...................................17
RIGHT FRONT WHEEL SPEED SENSOR CIRCUIT ...........................17
LEFT FRONT WHEEL SPEED SENSOR SIGNAL .............................22
REAR WHEEL SPEED SENSOR SIGNAL ...................................22
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