2003 Jeep Wrangler TJ Transmission Service Manual – PDF DOWNLOAD
DESCRIPTION:
2003 Jeep Wrangler TJ Transmission Service Manual – PDF DOWNLOAD
INTRODUCTION :
- The procedures contained in this manual include all of the specifications, instructions, and graphics needed to diagnose 42RLE Electronic Automatic Transmission (EATX) problems. The diagnostics in this manual are based on the failure condition or symptom being present at the time of diagnosis.
- When repairs are required, refer to the appropriate volume of the service manual for the proper removal and repair procedure. Diagnostic procedures change every year. New diagnostic systems may be added and/or carryover systems may be enhanced.
- READ THIS MANUAL BEFORE TRYING TO DIAGNOSE A VEHICLE TROUBLE CODE. It is recommended that you review the entire manual to become familiar with all 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 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 42RLE electronic Transmission is done in six basic steps:
² verification of complaint
² verification of any related symptoms
² symptom analysis
² problem isolation
² repair of isolated problem
² verification of proper operation
TABLE OF CONTENTS:
2003 Jeep Wrangler TJ Transmission 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 GENERAL DESCRIPTION 1
3 2 FUNCTIONAL OPERATION 1
3 2 1 AUTOSTICK FEATURE (IF APPLICABLE) 1
3 2 2 TRANSMISSION OPERATION AND SHIFT SCHEDULING AT
VARIOUS OIL TEMPERATURES 2
3 3 DIAGNOSTIC TROUBLE CODES 3
3 3 1 HARD CODE 3
3 3 2 ONE TRIP FAILURES 3
3 3 3 INTERMITTENT CODE 3
3 3 4 STARTS SINCE SET COUNTER 3
3 3 5 TROUBLE CODE ERASURE 4
3 3 6 EATX DTC EVENT DATA 4
3 3 7 LIST OF DIAGNOSTIC TROUBLE CODES (DETAILED
DESCRIPTIONS FOLLOW LIST) 4
3 3 8 DTC DESCRIPTIONS 5
3 3 9 QUICK LEARN 18
3 3 10 CLUTCH VOLUMES 18
3 3 11 ELECTRONIC PINION FACTOR (IF APPLICABLE) 19
3 4 USING THE DRBIIIT 19
3 5 DRBIIIT ERROR MESSAGES 19
3 5 1 DRBIIIT DOES NOT POWER UP (BLANK SCREEN) 19
3 5 2 DISPLAY IS NOT VISIBLE 19
3 6 TRANSMISSION SIMULATOR (MILLER TOOL # 8333) AND ELECTRONIC
TRANSMISSION ADAPTER KIT (MILLER TOOL #8333-1A) 19
4 0 DISCLAIMERS, SAFETY, AND WARNINGS 20
4 1 DISCLAIMERS 20
4 2 SAFETY 20
4 2 1 TECHNICIAN SAFETY INFORMATION 20
4 2 2 VEHICLE PREPARATION FOR TESTING 20
4 2 3 SERVICING SUB-ASSEMBLIES 20
4 2 4 DRBIIIT SAFETY INFORMATION 20
4 3 WARNINGS 21
4 3 1 VEHICLE DAMAGE WARNINGS 21
4 3 2 ROAD TESTING A COMPLAINT VEHICLE 21
4 3 3 ELECTRONIC PINION FACTOR WARNINGS (IF APPLICABLE) 22
4 3 4 BULLETINS AND RECALLS 22
5 0 REQUIRED TOOLS AND EQUIPMENT 22
6 0 GLOSSARY OF TERMS 22
6 1 ACRONYMS 22
6 2 DEFINITIONS 22
i
TABLE OF CONTENTS – Continued
7 0 DIAGNOSTIC INFORMATION AND PROCEDURES 23
COMMUNICATION
*NO RESPONSE FROM TRANSMISSION CONTROL MODULE 24
TRANSMISSION – 42RLE
P0122-THROTTLE POSITION SENSOR/APPS LOW 27
P0123-THROTTLE POSITION SENSOR/APPS HIGH 29
P0124- THROTTLE POSITION SENSOR/APPS INTERMITTENT 31
P0218-HIGH TEMPERATURE OPERATION ACTIVATED 33
P0562-LOW BATTERY VOLTAGE 35
P0604-INTERNAL TCM 38
P0605-INTERNAL TCM 39
P0613-INTERNAL TCM 40
P0706-CHECK SHIFTER SIGNAL 41
P0711-TRANSMISSION TEMPERATURE SENSOR PERFORMANCE 47
P0712-TRANSMISSION TEMPERATURE SENSOR LOW 50
P0713-TRANSMISSION TEMPERATURE SENSOR HIGH 53
P0714-TRANSMISSION TEMPERATURE SENSOR INTERMITTENT 56
P0715-INPUT SPEED SENSOR ERROR 58
P0720-OUTPUT SPEED SENSOR ERROR 62
P0725-ENGINE SPEED SENSOR CIRCUIT 66
P0731-GEAR RATIO ERROR IN 1ST 69
P0732-GEAR RATIO ERROR IN 2ND 71
P0733-GEAR RATIO ERROR IN 3RD 74
P0734-GEAR RATIO ERROR IN 4TH 77
P0736-GEAR RATIO ERROR IN REVERSE 80
P0740-TORQUE CONVERTER CLUTCH CONTROL CIRCUIT 82
P0750-LR SOLENOID CIRCUIT 84
P0755-2/4 SOLENOID CIRCUIT 88
P0760-OD SOLENOID CIRCUIT 92
P0765-UD SOLENOID CIRCUIT 96
P0841-LR PRESSURE SWITCH SENSE CIRCUIT 100
P0845-2/4 HYDRAULIC PRESSURE TEST FAILURE 104
P0846-2/4 PRESSURE SWITCH SENSE CIRCUIT 108
P0870-OD HYDRAULIC PRESSURE TEST FAILURE 112
P0871-OD PRESSURE SWITCH SENSE CIRCUIT 116
P0884-POWER UP AT SPEED 120
P0888-RELAY OUTPUT ALWAYS OFF 121
P0890-SWITCHED BATTERY 123
P0891-TRANSMISSION RELAY ALWAYS ON 125
P0897-WORN OUT/BURNT TRANSAXLE FLUID 128
P0944-LOSS OF PRIME 130
P0992- 2-4/OD HYDRAULIC PRESSURE TEST FAILURE 133
P1652-SERIAL COMMUNICATION LINK MALFUNCTION 135
P1684-BATTERY WAS DISCONNECTED 137
P1687-NO COMMUNICATION WITH THE MIC 140
P1694-BUS COMMUNICATION WITH ENGINE MODULE 142
P1775-SOLENOID SWITCH VALVE LATCHED IN TCC POSITION 144
P1776-SOLENOID SWITCH VALVE LATCHED IN LR POSITION 148
P1790-FAULT IMMEDIATELY AFTER SHIFT 152
P1793-TRD LINK COMMUNICATION ERROR 153
P1794-SPEED SENSOR GROUND ERROR 156
ii
TABLE OF CONTENTS – Continued
P1797-MANUAL SHIFT OVERHEAT 158
*BACKUP LAMPS COME ON WHILE SHIFTER IS NOT IN REVERSE POSITION 160
*BACKUP LAMPS INOPERATIVE 162
*CHECKING PARK/NEUTRAL SWITCH OPERATION 165
*INCORRECT TRANSMISSION FLUID LEVEL 167
*NO SPEEDOMETER OPERATION 168
*TRANSMISSION NOISY WITH NO DTC’S PRESENT 169
*TRANSMISSION SHIFTS EARLY WITH NO DTC’S 170
*TRANSMISSION SIMULATOR 8333 WILL NOT POWER UP 171
VERIFICATION TESTS
VERIFICATION TESTS 172
8 0 COMPONENT LOCATIONS 175
8 1 POWERTRAIN CONTROL MODULE 175
8 2 INPUT/OUTPUT SPEED SENSORS/TRS COMPONENT LOCATIONS 175
8 3 TRANSMISSION CONTROL MODULE 175
8 4 TRANSMISSION SOLENOID/PRESSURE SWITCH ASSEMBLY 176
9 0 CONNECTOR PINOUTS 177
CRANKSHAFT POSITION SENSOR (2 4L/4 0L A/T) 177
DATA LINK CONNECTOR 177
INPUT SPEED SENSOR 177
OUTPUT SPEED SENSOR 177
POWERTRAIN CONTROL MODULE C1 178
POWERTRAIN CONTROL MODULE C2 179
POWERTRAIN CONTROL MODULE C3 180
THROTTLE POSITION SENSOR (4 0L) 180
TRANSMISSION CONTROL MODULE 181
TRANSMISSION CONTROL RELAY 182
TRANSMISSION RANGE SENSOR 183
TRANSMISSION SOLENOID/PRESSURE SWITCH ASSEMBLY 183
10 0 SCHEMATIC DIAGRAMS 185
11 0 CHARTS AND GRAPHS 187
11 1 PRESSURE SWITCH STATES 187
11 2 SOLENOID APPLICATION CHART 187
11 3 SHIFT LEVER ERROR CODES 187
11 4 TRANSMISSION TEMPERATURE SENSOR 188
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PLEASE NOTE:
- This is not a physical manual but a digital manual – meaning no physical copy will be couriered to you. The manual can be yours in the next 2 mins as once you make the payment, you will be directed to the download page IMMEDIATELY.
- This is the same manual used by the dealers inorder to diagnose your vehicle of its faults.
- Require some other service manual or have any queries: please WRITE to us at [email protected]
S.V