2002 Jeep Wrangler TJ Chassis Service Manual – PDF DOWNLOAD
DESCRIPTION:
2002 Jeep Wrangler TJ Chassis Service Manual – PDF DOWNLOAD
INTRODUCTION:
The procedures contained in this manual include all the specifications, instructions, and graphics needed to diagnose Mark 20 Antilock Braking System (ABS) problems. The diagnostics in this manual are based on the failure condition or symptom being present at time of diagnosis. Follow the recommendations below when choosing your diagnostic path.
- When repairs are required, refer to the appropriate service manual for the proper removal and repair procedure.Diagnostic procedures change every year. New diagnostic systems may be added; carryover systems may be enhanced.
- READ THIS MANUAL BEFORE TRYING TO DIAGNOSE A VEHICLE DIAGNOSTIC TROUBLE CODE. It is recommended that you review the entire manual to become familiar with all new and changed diagnostic procedures. After using this book, if you have any comments or recommendations, please fill out the form at the back of the book and mail it back to us.
SIX-STEP TROUBLESHOOTING PROCEDURE
Diagnosis of the antilock brake system is done in six basic steps:
- verification of complaint
- verification of any related symptoms
- symptom analysis
- problem isolation
- repair of isolated problem
- verification of proper operation
TABLE OF CONTENTS:
2002 Jeep Wrangler TJ Chassis Service Manual – PDF DOWNLOAD
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 ABS SYSTEM DESCRIPTION 1
3 1 1 PEDAL FEEL/VEHICLE CHARACTERISTICS 1
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 USING THE DRBIIIT 4
3 4 DRBIIIT ERROR MESSAGES 4
3 4 1 DRBIIIT DOES NOT POWER UP (BLANK SCREEN) 5
3 4 2 DISPLAY IS NOT VISIBLE 5
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 WARNING 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 7
6 0 GLOSSARY OF TERMS 7
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
RIGHT FRONT SENSOR CIRCUIT FAILURE 19
RIGHT REAR SENSOR CIRCUIT FAILURE 19
LEFT FRONT SENSOR SIGNAL FAILURE 22
TABLE OF CONTENTS – Continued
LEFT REAR SENSOR SIGNAL FAILURE 22
RIGHT FRONT SENSOR SIGNAL FAILURE 22
RIGHT REAR SENSOR SIGNAL FAILURE 22
PUMP MOTOR NOT WORKING PROPERLY 26
SYSTEM OVERVOLTAGE 30
SYSTEM UNDERVOLTAGE 32
*ABS WARNING INDICATOR ALWAYS ON 34
*ABS WARNING INDICATOR INOPERATIVE 36
*BRAKE LAMP SWITCH 38
*NO RESPONSE FROM CONTROLLER ANTILOCK BRAKE 39
VERIFICATION TESTS
VERIFICATION TESTS 41
8 0 COMPONENT LOCATIONS 43
8 1 CONTROLLER ANTILOCK BRAKE 43
8 2 DATA LINK CONNECTOR 43
8 3 G-SWITCH 43
8 4 FUSES & RELAYS 44
8 5 WHEEL SPEED SENSORS 44
8 6 WHEEL SPEED SENSOR CONNECTORS 44
8 7 BRAKE SWITCHES 45
8 7 1 PARKING BRAKE 45
8 7 2 BRAKE SWITCH 45
9 0 CONNECTOR PINOUTS 47
CONTROLLER ANTILOCK BRAKE – 25 WAY 47
LEFT FRONT WHEEL SPEED SENSOR – 2 WAY 47
LEFT REAR WHEEL SPEED SENSOR – 2 WAY 47
RIGHT FRONT WHEEL SPEED SENSOR – BLACK 2 WAY 48
RIGHT REAR WHEEL SPEED SENSOR – BLACK 2 WAY 48
10 0 SCHEMATIC DIAGRAMS 49
TJ BODY TEVES MARK IVG 49
VIDEO PREVIEW OF THE MANUAL:
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PLEASE NOTE:
- This is the SAME exact manual used by your dealers to fix your vehicle.
- The same can be yours in the next 2-3 mins as you will be directed to the download page immediately after paying for the manual.
- Any queries / doubts regarding your purchase, please feel free to contact [email protected]
S.V