2003 Jeep Liberty KJ Transmission Service Manual – PDF DOWNLOAD
DESCRIPTION:
2003 Jeep Liberty KJ 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
*45RFE/545RFE 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.
SYSTEM COVERAGE:
This diagnostic procedures manual covers all 2003 Model Year KJ equipped with a 42RLE or 45RFE/545RFE EATX controlled Automatic Transmission.
SIX -STEP TROUBLESHOOTING PROCEDURE:
Diagnosis of the 42RLE or 45RFE/545RFE electronic transmission 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:
2003 Jeep Liberty KJ 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 2
3 2 1 TRANSMISSION OPERATION AND SHIFT SCHEDULING AT
VARIOUS OIL TEMPERATURES 3
3 2 2 LINE PRESSURE CONTROL – 45/545RFE 3
3 2 3 DRIVE LEARN PROCEDURE- 45/545RFE 4
3 3 DIAGNOSTIC TROUBLE CODES 5
3 3 1 HARD CODE 6
3 3 2 ONE TRIP FAILURES 6
3 3 3 INTERMITTENT CODE 6
3 3 4 STARTS SINCE SET COUNTER 6
3 3 5 TROUBLE CODE ERASURE 6
3 3 6 QUICK LEARN 6
3 3 7 CLUTCH VOLUMES-45/545RFE 7
3 3 8 EATX DTC EVENT DATA 7
3 4 USING THE DRBIIIT 8
3 5 DRBIIIT ERROR MESSAGES 8
3 5 1 DRBIIIT DOES NOT POWER UP (BLANK SCREEN) 8
3 5 2 DISPLAY IS NOT VISIBLE 8
3 5 3 SOME DISPLAY ITEMS READ 9—9 8
3 6 TRANSMISSION SIMULATOR (MILLER TOOL # 8333) AND ELECTRONIC
TRANSMISSION ADAPTER KIT (MILLER TOOL #8333-1A) 8
4 0 DISCLAIMERS, SAFETY, AND WARNINGS 9
4 1 DISCLAIMERS 9
4 2 SAFETY 9
4 2 1 TECHNICIAN SAFETY INFORMATION 9
4 2 2 VEHICLE PREPARATION FOR TESTING 9
4 2 3 SERVICING SUB-ASSEMBLIES 9
4 2 4 DRBIIIT SAFETY INFORMATION 9
4 3 WARNINGS 10
4 3 1 VEHICLE DAMAGE WARNINGS 10
4 3 2 ROAD TESTING A COMPLAINT VEHICLE 10
4 3 3 ELECTRONIC PINION FACTOR WARNINGS (IF APPLICABLE) 11
4 4 BULLETINS AND RECALLS 11
5 0 REQUIRED TOOLS AND EQUIPMENT 11
6 0 GLOSSARY OF TERMS 11
6 1 ACRONYMS 11
6 2 DEFINITIONS 12
7 0 DIAGNOSTIC INFORMATION AND PROCEDURES 13
i
TABLE OF CONTENTS – Continued
COMMUNICATION
*NO RESPONSE FROM ECM (PCI BUS) – DIESEL ONLY 14
*NO RESPONSE FROM PCM (PCI BUS) 15
*NO RESPONSE FROM TRANSMISSION CONTROL MODULE 17
TRANSFER CASE – MECHANICAL
P0836-4WD MUX SWITCH STUCK 20
P0837-4WD MUX SWITCH PERFORMANCE 23
P0838-4WD MODE SENSOR LOW 25
P0839-4WD MODE SENSOR HIGH 27
TRANSMISSION – 42RLE
P0122-THROTTLE POSITION SENSOR/APPS LOW 29
P0123-THROTTLE POSITION SENSOR/APPS HIGH 31
P0124- THROTTLE POSITION SENSOR/APPS INTERMITTENT 33
P0218-HIGH TEMPERATURE OPERATION ACTIVATED 35
P0562-LOW BATTERY VOLTAGE 37
P0604-INTERNAL TCM 40
P0605-INTERNAL TCM 41
P0613-INTERNAL TCM 42
P0706-CHECK SHIFTER SIGNAL 43
P0711-TRANSMISSION TEMPERATURE SENSOR PERFORMANCE 49
P0712-TRANSMISSION TEMPERATURE SENSOR LOW 52
P0713-TRANSMISSION TEMPERATURE SENSOR HIGH 55
P0714-TRANSMISSION TEMPERATURE SENSOR INTERMITTENT 58
P0715-INPUT SPEED SENSOR ERROR 60
P0720-OUTPUT SPEED SENSOR ERROR 64
P0725-ENGINE SPEED SENSOR CIRCUIT 68
P0731-GEAR RATIO ERROR IN 1ST 71
P0732-GEAR RATIO ERROR IN 2ND 73
P0733-GEAR RATIO ERROR IN 3RD 76
P0734-GEAR RATIO ERROR IN 4TH 79
P0736-GEAR RATIO ERROR IN REVERSE 82
P0740-TORQUE CONVERTER CLUTCH CONTROL CIRCUIT 84
P0750-LR SOLENOID CIRCUIT 86
P0755-2/4 SOLENOID CIRCUIT 90
P0760-OD SOLENOID CIRCUIT 94
P0765-UD SOLENOID CIRCUIT 98
P0841-LR PRESSURE SWITCH SENSE CIRCUIT 102
P0845-2/4 HYDRAULIC PRESSURE TEST FAILURE 106
P0846-2/4 PRESSURE SWITCH SENSE CIRCUIT 110
P0870-OD HYDRAULIC PRESSURE TEST FAILURE 114
P0871-OD PRESSURE SWITCH SENSE CIRCUIT 118
P0884-POWER UP AT SPEED 122
P0888-RELAY OUTPUT ALWAYS OFF 123
P0890-SWITCHED BATTERY 125
P0891-TRANSMISSION RELAY ALWAYS ON 127
P0897-WORN OUT/BURNT TRANSAXLE FLUID 130
P0944-LOSS OF PRIME 132
P0992- 2-4/OD HYDRAULIC PRESSURE TEST FAILURE 135
P1652-SERIAL COMMUNICATION LINK MALFUNCTION 137
P1684-BATTERY WAS DISCONNECTED 139
P1687-NO COMMUNICATION WITH THE MIC 142
ii
TABLE OF CONTENTS – Continued
P1694-BUS COMMUNICATION WITH ENGINE MODULE 144
P1775-SOLENOID SWITCH VALVE LATCHED IN TCC POSITION 146
P1776-SOLENOID SWITCH VALVE LATCHED IN LR POSITION 150
P1790-FAULT IMMEDIATELY AFTER SHIFT 154
P1793-TRD LINK COMMUNICATION ERROR 155
P1794-SPEED SENSOR GROUND ERROR 158
P1797-MANUAL SHIFT OVERHEAT 160
*BACKUP LAMPS COME ON WHILE SHIFTER IS NOT IN REVERSE POSITION 162
*BACKUP LAMPS INOPERATIVE 164
*CHECKING PARK/NEUTRAL SWITCH OPERATION 167
*INCORRECT TRANSMISSION FLUID LEVEL 169
*NO SPEEDOMETER OPERATION 170
*TRANSMISSION NOISY WITH NO DTC’S PRESENT 171
*TRANSMISSION SHIFTS EARLY WITH NO DTC’S 172
*TRANSMISSION SIMULATOR 8333 WILL NOT POWER UP 173
TRANSMISSION – RFE
P0122-TPS/APPS LOW 174
P0122-TPS/APPS LOW – DIESEL 176
P0123-TPS/APPS HIGH 180
P0123-TPS/APPS HIGH – DIESEL 182
P0124-TPS/APPS INTERMITTENT 186
P0124-TPS/APPS INTERMITTENT – DIESEL 188
P0218-HIGH TEMPERATURE OPERATION ACTIVATED 190
P0604-INTERNAL TCM 192
P0605-INTERNAL TCM 193
P0613-INTERNAL TCM 194
P0706-CHECK SHIFTER SIGNAL 195
P0711-TRANSMISSION TEMPERATURE SENSOR PERFORMANCE 202
P0712-TRANSMISSION TEMPERATURE SENSOR LOW 205
P0713-TRANSMISSION TEMPERATURE SENSOR HIGH 208
P0714-TRANSMISSION TEMPERATURE SENSOR INTERMITTENT 211
P0715-INPUT SPEED SENSOR ERROR 213
P0720-OUTPUT SPEED SENSOR ERROR 217
P0725-ENGINE SPEED SENSOR CIRCUIT 221
P0725-ENGINE SPEED SENSOR CIRCUIT – DIESEL 224
P0731-GEAR RATIO ERROR IN 1ST 227
P0732-GEAR RATIO ERROR IN 2ND 229
P0733-GEAR RATIO ERROR IN 3RD 232
P0734-GEAR RATIO ERROR IN 4TH 235
P0735-GEAR RATIO ERROR 4TH PRIME 237
P0736-GEAR RATIO ERROR IN REVERSE 239
P0740-TORQUE CONVERTER CLUTCH CONTROL CIRCUIT 241
P0750-LR SOLENOID CIRCUIT 243
P0755-2C SOLENOID CIRCUIT 247
P0760-OD SOLENOID CIRCUIT 251
P0765-UD SOLENOID CIRCUIT 255
P0770-4C SOLENOID CIRCUIT 259
P0841-LR PRESSURE SWITCH SENSE CIRCUIT 263
P0845-2C HYDRAULIC PRESSURE TEST FAILURE 267
P0846-2C PRESSURE SWITCH SENSE CIRCUIT 273
P0868-LINE PRESSURE LOW 277
P0869-LINE PRESSURE HIGH 282
iii
TABLE OF CONTENTS – Continued
P0870-OD HYDRAULIC PRESSURE TEST FAILURE 287
P0871-OD PRESSURE SWITCH SENSE CIRCUIT 293
P0875-UD HYDRAULIC PRESSURE TEST FAILURE 297
P0876-UD PRESSURE SWITCH SENSE CIRCUIT 303
P0884-POWER UP AT SPEED 307
P0888-RELAY OUTPUT ALWAYS OFF 308
P0890-SWITCHED BATTERY 312
P0891-TRANSMISSION RELAY ALWAYS ON 314
P0932-LINE PRESSURE SENSOR CIRCUIT FAULT 317
P0934-LINE PRESSURE SENSOR LOW 320
P0935-LINE PRESSURE SENSOR HIGH 323
P0944-LOSS OF PRIME 326
P0987-4C HYDRAULIC PRESSURE TEST FAILURE 329
P0988-4C PRESSURE SWITCH SENSE CIRCUIT 335
P1684-BATTERY WAS DISCONNECTED 339
P1694-BUS COMMUNICATION WITH ENGINE MODULE 341
P1715-RESTRICTED PORT IN T3 RANGE 343
P1736-GEAR RATIO ERROR IN 2ND PRIME 345
P1775-SOLENOID SWITCH VALVE LATCHED IN TCC POSITION 347
P1776-SOLENOID SWITCH VALVE LATCHED IN LR POSITION 351
P1790-FAULT IMMEDIATELY AFTER SHIFT 355
P1793-TRD LINK COMMUNICATION ERROR 356
P1794-SPEED SENSOR GROUND ERROR 359
P2700-INADEQUATE ELEMENT VOLUME LR 362
P2701-INADEQUATE ELEMENT VOLUME 2C 364
P2702-INADEQUATE ELEMENT VOLUME OD 366
P2703- INADEQUATE ELEMENT VOLUME UD 368
P2704-INADEQUATE ELEMENT VOLUME 4C 370
P2706-MS SOLENOID CIRCUIT 372
*BACKUP LAMPS COME ON WHILE SHIFTER IS NOT IN REVERSE POSITION 376
*BACKUP LAMPS INOPERATIVE 377
*BUMP FELT SHORTLY AFTER STOP WITH NO DTC’S PRESENT 379
*BUMP FELT WHILE COASTING IN NEUTRAL WITH NO DTC’S PRESENT 380
*CHECKING PARK/NEUTRAL SWITCH OPERATION 381
*POOR SHIFT QUALITY 383
*TRANSMISSION NOISY WITH NO DTC’S PRESENT 384
*TRANSMISSION SHIFTS EARLY WITH NO DTC’S 386
*TRANSMISSION SHIFTS ROUGH AFTER TCM REPLACEMENT OR REFLASH 387
*TRANSMISSION SIMULATOR WILL NOT POWER UP 388
*VEHICLE IS SLUGGISH WITH NO DTC’S PRESENT 389
VERIFICATION TESTS
VERIFICATION TESTS 390
8 0 COMPONENT LOCATIONS 395
8 1 POWERTRAIN/ENGINE CONTROL MODULE LOCATIONS 395
8 2 TRANSMISSION CONTROL MODULE LOCATIONS 395
8 3 TRANSMISSION COMPONENT LOCATIONS 396
8 4 TRANSMISSION LINE PRESSURE SENSOR 396
8 5 TRANSMISSION SOLENOID/PRESSURE SWITCH ASSEMBLY 396
9 0 CONNECTOR PINOUTS 397
iv
TABLE OF CONTENTS – Continued
ACCELERATOR PEDAL POSITION SENSOR (DIESEL) 397
CRANKSHAFT POSITION SENSOR (2 4L) 397
CRANKSHAFT POSITION SENSOR (3 7L) 397
CRANKSHAFT POSITION SENSOR (DIESEL) 397
DATA LINK CONNECTOR 398
ENGINE CONTROL MODULE C1 (DIESEL) 399
ENGINE CONTROL MODULE C2 (DIESEL) 400
INPUT SPEED SENSOR (A/T) 400
INPUT SPEED SENSOR CONNECTOR 401
FUSES (JB) 403
LEFT TAIL/STOP LAMP 403
LINE PRESSURE SENSOR (45RFE) 404
OUTPUT SPEED SENSOR (A/T) 404
OUTPUT SPEED SENSOR CONNECTOR 404
FUSES (DIESEL) 406
FUSES (GAS) 408
TRANSMISSION CONTROL RELAY (GAS A/T) 408
POWERTRAIN CONTROL MODULE C1 (2 4L) 409
POWERTRAIN CONTROL MODULE C1 (3 7L) 410
POWERTRAIN CONTROL MODULE C2 (GAS) 411
POWERTRAIN CONTROL MODULE C3 (GAS) 412
RIGHT TAIL/STOP LAMP 412
SHIFTER ASSEMBLY 413
THROTTLE POSITION SENSOR (GAS) 413
TRANSFER CASE POSITION SENSOR 413
TRANSMISSION CONTROL MODULE 414
TRANSMISSION RANGE SENSOR (42RLE) 415
TRANSMISSION SOLENOID/PRESSURE SWITCH ASSEMBLY (42RLE) 415
TRANSMISSION SOLENOID/TRS ASSEMBLY (A/T EXCEPT 42RLE) 415
10 0 SCHEMATIC DIAGRAMS 417
11 0 CHARTS AND GRAPHS 421
11 1 PRESSURE SWITCH STATES 421
11 2 SHIFT LEVER ERROR CODES 422
11 3 SOLENOID APPLICATION CHART 423
11 4 TRANSMISSION RANGE SENSOR SWITCH STATES 424
11 5 TRANSMISSION TEMP SENSOR 425
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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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