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 GENERAL DESCRIPTION ............................................1 3.2 FUNCTIONAL OPERATION ...........................................1 3.2.1 AUTOSTICK FEATURE (IF EQUIPPED) .........................2 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.......................................4 3.3.4 STARTS SINCE SET COUNTER...............................4 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 ........................................6 3.3.9 QUICK LEARN ............................................18 3.3.10 CLUTCH VOLUMES ........................................19 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)..............20 3.5.2 DISPLAY IS NOT VISIBLE ...................................20 3.5.3 SOME DISPLAY ITEMS READ “---” ............................20 3.6 TRANSMISSION SIMULATOR (MILLER TOOL #8333) AND ELECTRONIC TRANSMISSION ADAPTER KIT (MILLER TOOL #8333-1A) ..............20 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.......................21 4.2.3 SERVICING SUB-ASSEMBLIES ..............................21 4.2.4 DRBIIIT SAFETY INFORMATION..............................21 4.3 WARNINGS .......................................................21 4.3.1 VEHICLE DAMAGE WARNINGS ..............................21 4.3.2 ROAD TEST COMPLAINT VEHICLE...........................22 4.3.3 ELECTRONIC PINION FACTOR WARNINGS (IF APPLICABLE) ....22 4.3.4 BULLETINS AND RECALLS..................................22 5.0 REQUIRED TOOLS AND EQUIPMENT .....................................22 i TABLE OF CONTENTS - Continued 6.0 GLOSSARY OF TERMS..................................................23 6.1 ACRONYMS ......................................................23 6.2 DEFINITIONS .....................................................23 7.0 DIAGNOSTIC INFORMATION AND PROCEDURES ...........................25 COMMUNICATION *NO RESPONSE FROM TRANSMISSION CONTROL MODULE .................26 TRANSMISSION - NGC 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 ..................................................41 P0605-INTERNAL TCM ..................................................41 P0613-INTERNAL TCM ..................................................41 P0706-CHECK SHIFTER SIGNAL ..........................................42 P0711-TRANSMISSION TEMPERATURE SENSOR PERFORMANCE.............50 P0712-TRANSMISSION TEMPERATURE SENSOR LOW.......................53 P0713-TRANSMISSION TEMPERATURE SENSOR HIGH ......................56 P0714-TRANSMISSION TEMPERATURE SENSOR INTERMITTENT .............60 P0715-INPUT SPEED SENSOR ERROR ....................................62 P0720-OUTPUT SPEED SENSOR ERROR ..................................66 P0725-ENGINE SPEED SENSOR CIRCUIT ..................................70 P0731-GEAR RATIO ERROR IN 1ST .......................................72 P0732-GEAR RATIO ERROR IN 2ND .......................................74 P0733-GEAR RATIO ERROR IN 3RD .......................................77 P0734-GEAR RATIO ERROR IN 4TH .......................................80 P0736-GEAR RATIO ERROR IN REVERSE..................................83 P0740-TORQUE CONVERTER CLUTCH CONTROL CIRCUIT...................85 P0750-LR SOLENOID CIRCUIT............................................87 P0755-2/4 SOLENOID CIRCUIT ...........................................91 P0760-OD SOLENOID CIRCUIT ...........................................95 P0765-UD SOLENOID CIRCUIT ...........................................99 P0841-LR PRESSURE SWITCH SENSE CIRCUIT ...........................102 P0845-2/4 HYDRAULIC PRESSURE TEST FAILURE .........................106 P0846-2/4 PRESSURE SWITCH SENSE CIRCUIT ...........................111 P0870-OD HYDRAULIC PRESSURE TEST FAILURE .........................115 P0871-OD PRESSURE SWITCH SENSE CIRCUIT ...........................120 P0884-POWER UP AT SPEED ...........................................124 P0888-RELAY OUTPUT ALWAYS OFF .....................................125 P0890-SWITCHED BATTERY ............................................130 P0891-TRANSMISSION RLY ALWAYS ON ..................................133 P0897-WORN OUT/BURNT TRANSAXLE FLUID.............................136 P0944-LOSS OF PRIME.................................................138 P0952-AUTOSTICK INPUT CIRCUIT LOW..................................141 P0992-2-4/OD HYDRAULIC PRESSURE TEST FAILURE ......................144 P1652-SERIAL COMMUNICATION LINK MALFUNCTION......................146 P1684-BATTERY WAS DISCONNECTED ...................................148 P1687-NO COMMUNICATION WITH THE MIC ..............................151 ii TABLE OF CONTENTS - Continued P1694-BUS COMMUNICATION WITH ENGINE MODULE......................153 P1775-SOLENOID SWITCH VALVE LATCHED IN TCC POSITION ..............154 P1776-SOLENOID SWITCH VALVE LATCHED IN LR POSITION................158 P1790-FAULT IMMEDIATELY AFTER SHIFT ................................162 P1793-TRD LINK COMMUNICATION ERROR ...............................163 P1794-SPEED SENSOR GROUND ERROR ................................164 P1797-MANUAL SHIFT OVERHEAT .......................................166 *BACKUP LAMPS COME ON WHILE SHIFTER IS NOT IN REVERSE POSITION. .168 *BACKUP LAMPS INOPERATIVE .........................................169 *CHECKING PARK/NEUTRAL SWITCH OPERATION .........................171 *NO MANUAL AUTOSTICK OPERATION ...................................173 *PRNDL FAULT CLEARING PROCEDURE..................................175 *TRANSMISSION NOISY WITH NO DTC’S PRESENT ........................176 *TRANSMISSION SHIFTS EARLY WITH NO DTC’S ..........................177 *TRANSMISSION SIMULATOR 8333 WILL NOT POWER UP ..................178 VERIFICATION TESTS VERIFICATION TESTS ..................................................179 8.0 COMPONENT LOCATIONS ..............................................181 8.1 AUTOSTICK - IF EQUIPPED ........................................181 8.2 POWERTRAIN CONTROL MODULE .................................181 8.3 PRESSURE PORT ................................................181 8.4 TRANSMISSION COMPONENT LOCATIONS ..........................182 9.0 CONNECTOR PINOUTS ................................................183 AUTOSTICK SWITCH - NATURAL 4 WAY ..................................183 DATA LINK CONNECTOR - WHITE 16 WAY ................................183 FUSES (FB LHD) ......................................................185 FUSES (FB RHD) ......................................................187 INPUT SPEED SENSOR - GRAY 2 WAY ...................................188 LEFT BACKUP LAMP - BLACK 2 WAY .....................................188 OUTPUT SPEED SENSOR - GRAY 2 WAY .................................188 FUSES (PDC) .........................................................190 TRANSMISSION CONTROL RELAY.......................................190 POWERTRAIN CONTROL MODULE C1 - BLACK 38 WAY.....................191 POWERTRAIN CONTROL MODULE C2 (2.0L) - ORANGE 38 WAY .............192 POWERTRAIN CONTROL MODULE C2 (2.4L TURBO) - GRAY 38 WAY .........193 POWERTRAIN CONTROL MODULE C3 - WHITE 38 WAY.....................194 POWERTRAIN CONTROL MODULE C4 - GREEN 38 WAY ....................195 RIGHT BACKUP LAMP - BLACK 2 WAY....................................195 THROTTLE POSITION SENSOR (2.0L) - BLACK 3 WAY ......................196 THROTTLE POSITION SENSOR (2.4L TURBO) - NATURAL 3 WAY .............196 TRANSMISSION RANGE SENSOR - DK. GRAY 10 WAY ......................196 TRANSMISSION SOLENOID/PRESSURE SWITCH ASSEMBLY - BLACK 8 WAY . .196 10.0 SCHEMATIC DIAGRAMS................................................197 iii TABLE OF CONTENTS - Continued 11.0 CHARTS AND GRAPHS ................................................199 11.1 TRANSMISSION RANGE SENSOR STATES ...........................199 11.2 PRESSURE SWITCH STATES.......................................199 11.3 SOLENOID APPLICATION CHART ...................................200 11.4 SHIFT LEVER ERROR CODES......................................200