2003 Jeep Wrangler TJ Body Service Manual – PDF DOWNLOAD
DESCRIPTION:
2003 Jeep Wrangler TJ Body Service Manual – PDF DOWNLOAD
INTRODUCTION :
The procedures contained in this manual include all the specifications, instructions, and graphics needed to diagnose body system problems. The diagnostics in this manual are based on the failure condition or symptom being present at time of diagnosis. Please 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 the new and changed diagnostic procedures. This book reflects many suggested changes from readers of past issues. After using this book, if you have any comments or suggestion, please fill out the form in the back of the book, and mail it back to us.
2003 Jeep Wrangler TJ Body 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 AIRBAG SYSTEM 1
3 1 1 PASSENGER AIRBAG ON-OFF SWITCH 2
3 1 2 SPECIAL TOOLS 3
3 1 3 DIAGNOSTIC TROUBLE CODES 3
3 1 3 1 ACTIVE CODES 3
3 1 3 2 STORED CODES 3
3 2 AUDIO SYSTEM 4
3 3 ELECTROCHROMIC COMPASS/TEMPERATURE MIRROR WITH LIGHTS 4
3 4 ELECTRO/MECHANICAL INSTRUMENT CLUSTER (EMIC) 7
3 4 1 SMART CLUSTER FEATURES 7
3 4 2 INSTRUMENT CLUSTER SELF TEST 7
3 5 VEHICLE COMMUNICATION 8
3 6 USING THE DRBIIIT 9
3 6 1 DRBIIIT ERROR MESSAGES AND BLANK SCREEN 9
3 6 2 DRBIIIT DOES NOT POWER UP 9
3 6 3 DISPLAY IS NOT VISIBLE 9
4 0 DISCLAIMERS, SAFETY, WARNING 9
4 1 DISCLAIMERS 9
4 2 SAFETY 9
4 2 1 TECHNICIAN SAFETY INFORMATION 9
4 2 2 VEHICLE PREPARATION FOR TESTING 10
4 2 3 SERVICING SUB-ASSEMBLIES 10
4 2 4 DRBIIIT SAFETY INFORMATION 10
4 3 WARNINGS 10
4 3 1 VEHICLE DAMAGE WARNINGS 10
4 3 2 ROAD TESTING A COMPLAINT VEHICLE 11
5 0 REQUIRED TOOLS AND EQUIPMENT 11
6 0 GLOSSARY OF TERMS 11
7 0 DIAGNOSTIC INFORMATION AND PROCEDURES 13
AIRBAG
ACCELEROMETER 1 14
INTERNAL 1 14
OUTPUT DRIVER 1 14
SAFING SENSOR 14
STORED ENERGY FIRING 1 14
STORED ENERGY LOGIC 14
AIRBAG WARNING INDICATOR OPEN 16
AIRBAG WARNING INDICATOR SHORT 16
CLUSTER MESSAGE MISMATCH 18
i
TABLE OF CONTENTS – Continued
DRIVER SQUIB 1 CIRCUIT OPEN 20
DRIVER SQUIB 1 CIRCUIT SHORT 23
DRIVER SQUIB 1 SHORT TO BATTERY 26
DRIVER SQUIB 1 SHORT TO GROUND 29
LOSS OF IGNITION RUN – START 32
LOSS OF IGNITION RUN ONLY 34
MODULE NOT CONFIGURED FOR PAB OFF SWITCH 36
NO CLUSTER MESSAGE 39
NO PCI TRANSMISSION 41
PASSENGER AIRBAG ON – OFF SWITCH SHORT TO BATTERY 43
PASSENGER AIRBAG ON – OFF SWITCH SHORT TO GROUND 46
PASSENGER OFF INDICATOR CIRCUIT SHORT TO BATTERY 49
PASSENGER OFF INDICATOR CIRCUIT SHORT TO GROUND 52
PASSENGER SQUIB 1 CIRCUIT OPEN 55
PASSENGER SQUIB 1 CIRCUIT SHORT 58
PASSENGER SQUIB 1 SHORT TO BATTERY 60
PASSENGER SQUIB 1 SHORT TO GROUND 62
PASSENGER AIRBAG ON – OFF SWITCH OPEN 64
*AIRBAG INDICATOR ON WITHOUT ACTIVE TROUBLE CODES 67
AUDIO
ALL OUTPUTS SHORT – BASE AUDIO SYSTEM 68
ALL OUTPUTS SHORT – PREMIUM AUDIO SYSTEM 70
CASSETTE PLAYER INOP 73
CD MECHANICAL FAILURE 73
*AM/FM SWITCH INOPERATIVE 73
*ANY STATION PRESET SWITCH INOPERATIVE 73
*BALANCE INOPERATIVE 73
*CD EJECT SWITCH INOPERATIVE 73
*EQUALIZER INOPERATIVE 73
*FADER INOPERATIVE 73
*FF/RW SWITCH INOPERATIVE 73
*HOUR/MINUTE SWITCHES INOPERATIVE 73
*PAUSE/PLAY SWITCH INOPERATIVE 73
*PWR SWITCH INOPERATIVE 73
*SCAN SWITCH INOPERATIVE 73
*SEEK SWITCH INOPERATIVE 73
*SET SWITCH INOPERATIVE 73
*TAPE EJECT SWITCH INOPERATIVE 73
*TIME SWITCH INOPERATIVE 73
*TUNE SWITCH INOPERATIVE 73
CD PLAY FAILURE 75
CD READ FAILURE 76
CD TEMPERATURE HIGH 77
LOW VOLTAGE LEVEL 78
NO ANTENNA CONNECTION 79
POWER AMP SHUTDOWN – BASE AUDIO SYSTEM 80
POWER AMP SHUTDOWN – PREMIUM AUDIO SYSTEM 82
CHIME
*CHIME INOPERATIVE AT ALL TIMES 85
*CHIME INOPERATIVE WITH DRIVER SEAT BELT UNFASTENED 86
*CHIME INOPERATIVE WITH EXTERIOR LAMPS ON AND DRIVER DOOR OPEN 87
ii
TABLE OF CONTENTS – Continued
*CHIME INOPERATIVE WITH KEY IN IGNITION, DRIVER’S DOOR OPEN 88
*CHIME SOUNDS WITH DRIVER SEAT BELT FASTENED 91
*CHIME SOUNDS WITH DRIVER’S DOOR OPEN, KEY REMOVED 93
COMMUNICATION
*NO RESPONSE FROM AIRBAG CONTROL MODULE 94
*NO RESPONSE FROM CONTROLLER ANTILOCK BRAKE 96
*NO RESPONSE FROM INSTRUMENT CLUSTER 98
*NO RESPONSE FROM PCM (PCI BUS) 100
*NO RESPONSE FROM PCM (SCI ONLY) 101
*NO RESPONSE FROM RADIO 104
*NO RESPONSE FROM SENTRY KEY IMMOBILIZER MODULE 106
*NO RESPONSE FROM TRANSMISSION CONTROL MODULE 108
*PCI BUS COMMUNICATION FAILURE 111
COMPASS/MINI-TRIP COMPUTER
*COMPASS/TEMP MODULE WILL NOT CALIBRATE 113
*COMPASS/TEMPERATURE MODULE INOPERATIVE 114
*TEMPERATURE DISPLAY INACCURATE OR INOPERATIVE 115
ELECTRICALLY HEATED SYSTEMS
*REAR DEFFOGER RELAY OPEN 117
*REAR DEFOGGER RELAY SHORT TO VOLTAGE 119
*REAR DEFOGGER SWITCH INDICATOR INOPERATIVE 120
*REAR WINDOW DEFOGGER GRID INOPERATIVE 121
INSTRUMENT CLUSTER
ACM MESSAGE NOT REC’D BY MIC 125
AIR BAG LAMP CIRCUIT OPEN 126
AIR BAG LAMP CIRCUIT SHORT 127
CHECKSUM FAILURE 128
PANEL DIMMER OPEN 129
PCM MESSAGE NOT REC’D BY MIC 131
SKIM MESSAGE NOT REC’D BY MIC 132
*9NO BUS9 IN VF DISPLAY 133
*9NO FUSE9 IN VF DISPLAY 134
*4WD INDICATOR INOPERATIVE 135
*ABS INDICATOR INOPERATIVE 138
*AIR BAG INDICATOR INOPERATIVE 139
*ALL GAUGES INOPERATIVE 140
*ANY PCI BUS INDICATOR INOPERATIVE 142
*AXLE LOCK INDICATOR PROBLEMS 143
*BRAKE WARNING INDICATOR ALWAYS ON 146
*BRAKE WARNING INDICATOR INOPERATIVE 147
*FOG LAMP INDICATOR INOPERATIVE – DOMESTIC 149
*HIGH BEAM INDICATOR INOPERATIVE 150
*ONE GAUGE INOPERATIVE 151
*PANEL DIMMNG INOPERATIVE 152
*REAR FOG LAMP INDICATOR INOPERATIVE – BUX ONLY 153
*SEAT BELT INDICATOR NOT OPERATING PROPERLY 154
*SPEEDOMETER INACCURATE OR INOPERATIVE 156
*VF DISPLAY INOPERATIVE 157
*VF ODOMETER INOPERATIVE WITH DOOR OPEN 158
iii
TABLE OF CONTENTS – Continued
INTERIOR LIGHTING
*COURTESY LAMPS INOPERATIVE – ALL LAMPS 160
*COURTESY LAMPS ON AT ALL TIMES 161
*ILLUMINATED ENTRY INOPERATIVE 163
VERIFICATION TESTS
VERIFICATION TESTS 164
8 0 SYSTEM COMPONENT LOCATIONS 167
8 1 DATA LINK CONNECTOR 167
8 2 AIRBAG 167
8 2 1 DRIVER AIRBAG MODULE & CLOCKSPRING 167
8 2 2 DRIVER/PASSENGER AIRBAG MODULES & MECHANICAL
INSTRUMENT CLUSTER 168
8 2 3 AIRBAG CONTROL MODULE AND PASSENGER AIRBAG ON/OFF
SWITCH 168
8 3 FUSE BLOCK 169
8 4 INSTRUMENT CLUSTER 169
8 4 1 FRONT VIEW 169
8 4 2 REAR VIEW 170
8 5 POWER DISTRIBUTION CENTER (PDC) 170
8 6 POWERTRAIN CONTROL MODULE 171
9 0 CONNECTOR PINOUTS 173
AIRBAG CONTROL MODULE 173
AMBIENT TEMPERATURE SENSOR 173
AXLE LOCK SWITCH (OFF-ROAD PACKAGE) 173
BRAKE WARNING INDICATOR SWITCH 174
CLOCKSPRING C2 174
COMPASS/TEMPERATURE MIRROR 174
CONTROLLER ANTILOCK BRAKE 175
DATA LINK CONNECTOR 175
DRIVER AIRBAG SQUIB 1 176
FRONT LOCKER INDICATOR SWITCH (OFF-ROAD PACKAGE) 176
FRONT LOCKER PUMP (OFF-ROAD PACKAGE) 176
FUSES (FUSE/RELAY BLOCK) 178
IGNITION SWITCH 178
INSTRUMENT CLUSTER C1 179
INSTRUMENT CLUSTER C2 179
LEFT FRONT SPEAKER 179
LEFT REAR SPEAKER 180
MULTI-FUNCTION SWITCH C1 180
PASSENGER AIRBAG ON 180
PASSENGER AIRBAG SQUIB 1 181
FUSES (PDC) 183
FRONT LOCKER RELAY (OFF-ROAD PACKAGE) 183
REAR LOCKER RELAY (OFF-ROAD PACKAGE) 183
REAR WINDOW DEFOGGER RELAY 184
POWERTRAIN CONTROL MODULE C1 185
POWERTRAIN CONTROL MODULE C2 186
POWERTRAIN CONTROL MODULE C3 187
iv
TABLE OF CONTENTS – Continued
RADIO 188
REAR LOCKER INDICATOR SWITCH (OFF-ROAD PACKAGE) 188
REAR LOCKER PUMP (OFF-ROAD PACKAGE) 188
REAR WINDOW DEFOGGER SWITCH (HARD TOP) 189
RIGHT FRONT SPEAKER 189
RIGHT REAR SPEAKER 189
SEAT BELT SWITCH (EXCEPT LHD EXPORT) 189
SENTRY KEY IMMOBILIZER MODULE 189
SUBWOOFER 190
TRANSFER CASE SWITCH (EXCEPT OFF-ROAD PACKAGE) 190
TRANSFER CASE SWITCH (OFF-ROAD PACKAGE) 190
TRANSMISSION CONTROL MODULE 191
TRANSMISSION CONTROL MODULE 192
10 0 SCHEMATIC DIAGRAMS 193
10 1 AIRBAG SYSTEM 193
10 2 AUDIO SYSTEM 194
10 2 1 BASE AUDIO SYSTEM 194
10 2 2 PREMIUM AUDIO SYSTEM 195
10 3 CHIME SYSTEM 196
10 4 COMPASS/TEMPERATURE MIRROR 196
10 5 INSTRUMENT CLUSTER 197
10 5 1 INSTRUMENT CLUSTER/AXLE LOCKER SYSTEM 197
10 6 INTERIOR LIGHTING 197
10 7 REAR DEFOGGER 198
10 8 VEHICLE COMMUNICATIONS 199
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]
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