1993 CHEVROLET DYNASTY service

GROUP TAB LOCATOR
5Brakes
8WWiring Diagrams
Component and System Index
Service Manual Comment Forms (Rear of Manual)

CHRYSLER
CORPORATION
WIRING DIAGRAMS
SERVICE MANUAL
1993 FRONT WHEEL DRIVE PASSENGER VEHICLES
To order the special service tools used and
illustrated, please refer to the instructions on
inside back cover.
NO PART OF THIS PUBLICATION MAY BE
REPRODUCED, STORED IN A RETRIEVAL
SYSTEM, OR TRANSMITTED, IN ANY FORM
OR BY ANY MEANS, ELECTRONIC, ME-
CHANICAL, PHOTOCOPYING, RECORDING,
OR OTHERWISE, WITHOUT THE PRIOR
WRITTEN PERMISSION OF CHRYSLER
CORPORATION.
Chrysler Corporation reserves the right to make changes in design or to make
additions to or improvements in its products without imposing any obligations
upon itself to install them on its products previously manufactured.
Litho in U.S.A. Copyright 1992 Chrysler Corporation 30M0792
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FOREWORD
The information contained in this Service Manual has been prepared for the professional automotive
technician involved in daily repair operations. Information describing the operation and use of standard and
optional equipment is included in the Owner's Manual provided with the vehicle.
These diagrams contain the latest information at the time of publication and incorporate the wiring schematic
for the basic vehicle and available optional equipment.
The diagrams are grouped by body type and sales division. The body codes are explained in the General
Information section. (ExampleÐAP-D, P=Shadow, Sundance). To locate a system or component refer to the black
index tabs on the next page. The tab will assist you in locating the desired area of the manual.
An alphabetical index is provided at the beginning of each section to help you in locating a system or
component. All diagrams are identified by SHEET NUMBER which is found in the lower right- or left-hand corner
of the page.
A Service Manual Comment form is included at the rear of this manual. Use the form to provide Chrysler
Corporation with your comments and suggestions.
Chrysler Corporation reserves the right to change testing procedures, specifications, diagnosis, repair
methods, or vehicle wiring at any time without prior notice or incurring obligation.
NOTE: The acronyms, terminology and nomenclature used to identify emissions related components in this
manual may have changed from prior publications. These new terms are in compliance with S.A.E.
recommended practice J1930. This terminology standard (J1930) is required to comply with the 1993
California Air Research Board (CARB) requirements.
FOR INFORMATION NOT CONTAINED IN THIS MANUAL, REFER TO THE FRONT WHEEL
DRIVE PASSENGER VEHICLES ENGINEÐCHASSISÐBODY OR ELECTRICALÐFUELÐEMISSIONS
SERVICE MANUALS.
NEXT PAGE ©

GROUP TAB LOCATOR
GENERAL INFORMATION
FUSE CHARTS AND RELAY BANKS
WIRING AND COMPONENT
IDENTIFICATION
SPLICE LOCATIONS
AA-C, D, P WIRING DIAGRAMS
AC-C, D/AY-C WIRING DIAGRAMS
AG-D, AJ-C WIRING DIAGRAMS
AP-P, D WIRING DIAGRAMS
Service Manual Comment Forms (Rear of Manual)

COMPONENT AND SYSTEM INDEX
Name Group-page Name Group-page
BODY ................................... 23-1
AA-VEHICLE BODY COMPONENT SERVICE .......23-11
AC-VEHICLE BODY COMPONENT SERVICE .......23-37
AG-VEHICLE BODY COMPONENT SERVICE .......23-52
AJ/27-VEHICLE CONVERTIBLE BODY COMPONENT SERVICE ............................ 23-86
AJ-VEHICLE BODY COMPONENT SERVICE .......23-71
AP-VEHICLE BODY COMPONENT SERVICE .......23-97
AY-VEHICLE BODY COMPONENT SERVICE .......23-133
BODY DIAGNOSTIC PROCEDURES .............23-2
GENERAL SERVICE INFORMATION .............23-1
PAINT ................................. 23-4
POWER SUNROOF ........................ 23-6
WINDSHIELD ............................ 23-9
BRAKES ..................................5-1
ANTI-LOCK BRAKE SYSTEMÐBENDIX ANTI-LOCK 10 AC/Y BODY ......................... 5-72
ANTI-LOCK BRAKE SYSTEMÐBENDIX ANTI-LOCK 6 AA,AG,AJ,AP BODY .................... 5-113
BRAKE DISC (ROTOR) ...................... 5-53
BRAKE SUPPORT ASSEMBLY .................5-25
FRONT DISC BRAKES ...................... 5-31
GENERAL INFORMATION .....................5-1
HYDRAULIC SYSTEM CONTROL VALVES .........5-26
KELSEY HAYES DOUBLE PIN FAMILY CALIPER .....5-35
KELSEY HAYES DOUBLE PIN NON-FAMILY CALIPER ............................. 5-38
MASTER CYLINDER ....................... 5-66
PARKING BRAKES ........................ 5-57
POWER BRAKES ......................... 5-68
REAR DISC BRAKES ....................... 5-45
REAR WHEEL DRUM BRAKES ................5-18
SERVICE ADJUSTMENTS .....................5-4
WHEEL BEARINGS ........................ 5-70
WHEEL CYLINDERS ....................... 5-23
COOLING SYSTEM ...........................7-1
ACCESSORY DRIVE BELTS ................... 7-24
ENGINE BLOCK HEATER .................... 7-28
GENERAL INFORMATION .....................7-1
SERVICE PROCEDURES ..................... 7-10
SPECIFICATIONS ......................... 7-29
ENGINE ..................................9-1
2.2/2.5L ENGINES .........................9-8
3.0L ENGINE ............................ 9-66
3.3/3.8L ENGINE ......................... 9-98
STANDARD SERVICE PROCEDURES .............9-1
EXHAUST SYSTEM AND INTAKE MANIFOLD .........11-1
GENERAL INFORMATION .................... 11-1
SERVICE PROCEDURES ..................... 11-4
TORQUE SPECIFICATION ................... 11-25
FRAME AND BUMPERS ....................... 13-1
BUMPER AND FASCIA ...................... 13-1
FRAME ................................ 13-9
HEATING AND AIR CONDITIONING ...............24-1
AUTOMATIC TEMPERATURE CONTROL (ATC) .....24-66 COMPONENT SERVICE PROCEDURES
..........24-47
FIXED DISPLACEMENT COMPRESSORÐMODEL 10PA17............................. 24-24
FIXED DISPLACEMENT COMPRESSORÐMODEL SD709P ............................. 24-38
FIXED DISPLACEMENT COMPRESSORÐMODEL TR105 .............................. 24-32
GENERAL INFORMATION .................... 24-1
HEATER AND A/C PERFORMANCE TESTS .........24-6
REFRIGERANT SERVICE PROCEDURES ..........24-8
VACUUM CONTROL SYSTEM DIAGNOSIS .........24-4
VARIABLE DISPLACEMENT COMPRESSORÐMODEL 6C17 ............................... 24-13
INTRODUCTION .......................... Intro.-1
LUBRICATION AND MAINTENANCE ................0-1
CHASSIS AND BODY ....................... 0-19
DRIVETRAIN ............................ 0-16
ENGINE ................................0-8
GENERAL INFORMATION .....................0-1
MANUAL TRANSAXLE CLUTCH ...................6-1
STEERING ................................ 19-1
ACUSTAR STANDARD AND TILT STEERING COLUMN ............................ 19-28
AUTOMATIC TRANSMISSION SHIFTER/IGNITION INTERLOCK .......................... 19-36
GENERAL INFORMATION .................... 19-1
POWER STEERING GEAR ................... 19-25
POWER STEERING PUMPS ..................19-1
SPECIFICATIONS AND TIGHTENING REFERENCE . . . 19-42
SUSPENSION AND DRIVESHAFTS .................2-1
AUTOMATIC AIR LOAD LEVELING SYSTEM ........2-59
AUTOMATIC AIR SUSPENSION ................2-73
DRIVESHAFTS ........................... 2-25
FRONT SUSPENSION .......................2-2
FRONT SUSPENSION SERVICE PROCEDURES .......2-5
GENERAL INFORMATION .....................2-1
REAR (STUB) AXLE ALIGNMENT ALL MODELS .....2-89
REAR SUSPENSION ....................... 2-50
SPECIFICATIONS ......................... 2-91
TRANSAXLE .............................. 21-85
41TE FOUR SPEED AUTOMATIC TRANSAXLE ......21-85
41TE FOUR SPEED TRANSAXLE HYDRAULIC SCHEMATICS ........................ 21-170
41TE ON-BOARD DIAGNOSTICS .............21-145
A-523, A-543, and A-568 MANUAL TRANSAXLE ....21-1
SPECIFICATIONS ........................ 21-183
THREE SPEED TORQUEFLITE AUTOMATIC TRANSAXLE .......................... 21-35
THREE SPEED TRANSAXLE HYDRAULIC SCHEMATICS ........................ 21-162
WHEELSÐTIRES ........................... 22-1
SPECIFICATIONS ......................... 22-8
TIRE SERVICE PROCEDURES .................22-1
WHEELS SERVICE PROCEDURES ..............22-6

COMPONENT AND SYSTEM INDEX
Name Group-page Name Group-page
AUDIO SYSTEM ............................ 8F-1
ANTENNAS ............................ 8F-20
COMPACT DISC PLAYER ................... 8F-30
RADIOS ............................... 8F-1
SPEAKERS ............................. 8F-24
BATTERY/STARTER/GENERATOR SERVICE ..........8B-1
BATTERY REMOVAL, INSTALLATION AND SERVICE . . 8B-1
GENERATOR ............................ 8B-9
SPECIFICATIONS ........................ 8B-12
STARTER .............................. 8B-4
BATTERY/STARTING/CHARGING SYSTEMS DIAGNOSTICS ........................... 8A-1
BATTERY TEST PROCEDURES ON-VEHICLE .......8A-3
FAULT CODESÐON BOARD DIAGNOSTICS .......8A-23
GENERAL INFORMATION .................... 8A-1
GENERATOR TEST PROCEDURES ON VEHICLE ....8A-19
IGNITION OFF DRAW (IOD) ..................8A-9
SPECIFICATIONS ........................ 8A-28
STARTER TEST PROCEDURES ON VEHICLE ......8A-11
CHIME WARNING/REMINDER SYSTEM ............8U-1
EMISSION CONTROL SYSTEMS .................25-1
EVAPORATIVE EMISSION CONTROLS ...........25-1
EXHAUST EMISSION CONTROLS ..............25-17
FUEL SYSTEMS ............................ 14-1
2.2L TURBO III MULTI-PORT FUEL INJECTIONÐ GENERAL DIAGNOSIS ................... 14-95
2.2L TURBO III MULTI-PORT FUEL INJECTIONÐ ON-BOARD DIAGNOSTICS ................14-100
2.2L TURBO III MULTI-PORT FUEL INJECTIONÐ SERVICE PROCEDURES .................14-107
2.2L TURBO III MULTI-PORT FUEL INJECTIONÐ SYSTEM OPERATION .................... 14-83
2.2L/2.5L SINGLE POINT FUEL INJECTIONÐ GENERAL DIAGNOSIS ................... 14-35
2.2L/2.5L SINGLE POINT FUEL INJECTIONÐ ON-BOARD DIAGNOSTICS .................14-41
2.2L/2.5L SINGLE POINT FUEL INJECTIONÐ SERVICE PROCEDURES .................. 14-48
2.2L/2.5L SINGLE POINT FUEL INJECTIONÐ SYSTEM OPERATION .................... 14-24
2.5L FLEXIBLE FUEL MULTI-PORT FUEL INJECTIONÐGENERAL DIAGNOSIS ..........14-66
2.5L FLEXIBLE FUEL MULTI-PORT FUEL INJECTIONÐON-BOARD DIAGNOSTICS ........14-70
2.5L FLEXIBLE FUEL MULTI-PORT FUEL INJECTIONÐSERVICE PROCEDURES .........14-77
2.5L FLEXIBLE FUEL MULTI-PORT FUEL INJECTIONÐSYSTEM OPERATION ...........14-55
3.0L MULTI-PORT FUEL INJECTIONÐGENERAL DIAGNOSIS .......................... 14-125
3.0L MULTI-PORT FUEL INJECTIONÐON-BOARD DIAGNOSTICS ........................ 14-130
3.0L MULTI-PORT FUEL INJECTIONÐSERVICE PROCEDURES ........................ 14-138
3.0L MULTI-PORT FUEL INJECTIONÐSYSTEM OPERATION ......................... 14-113
3.3L AND 3.8L MULTI-PORT FUEL INJECTIONÐ GENERAL DIAGNOSIS ................... 14-157 3.3L AND 3.8L MULTI-PORT FUEL INJECTIONÐ
ON-BOARD DIAGNOSTICS ................14-162
3.3L AND 3.8L MULTI-PORT FUEL INJECTIONÐ SERVICE PROCEDURES .................14-169
3.3L AND 3.8L MULTI-PORT FUEL INJECTIONÐ SYSTEM OPERATION ................... 14-145
ACCELERATOR PEDAL AND THROTTLE CABLE ....14-21
FUEL DELIVERY SYSTEM .................... 14-3
FUEL TANKS ........................... 14-14
GENERAL INFORMATION .................... 14-1
SPECIFICATIONS ........................ 14-178
HORNS ................................. 8G-1
IGNITION SYSTEMS ......................... 8D-1
2.2L TBI, 2.5L TBI, 2.5L MPI AND 3.0L IGNITION SYSTEMSÐDIAGNOSTIC PROCEDURES .......8D-11
2.2L TBI, 2.5L TBI, 2.5L MPI AND 3.0L IGNITION SYSTEMSÐSERVICE PROCEDURES ..........8D-14
2.2L TBI, 2.5L TBI, 2.5L MPI AND 3.0L IGNITION SYSTEMSÐSYSTEM OPERATION ............8D-1
2.2L TURBO III, 3.3L AND 3.8L IGNITION SYSTEMÐDIAGNOSTIC PROCEDURES ........8D-35
2.2L TURBO III, 3.3L AND 3.8L IGNITION SYSTEMÐSYSTEM OPERATION ............8D-24
2.2L TURBO III, 3.3L AND 3.8L IGNITION SYSTEMSÐSERVICE PROCEDURES ..........8D-39
IGNITION SWITCH ....................... 8D-45
SPECIFICATIONS ........................ 8D-47
INSTRUMENT PANEL AND GAUGES ...............8E-1
AA BODY .............................. 8E-1
AC AND AY BODIES ...................... 8E-23
AG AND AJ BODIES ...................... 8E-42
AP BODY ............................. 8E-58
LAMPS .................................. 8L-1
BULB APPLICATION TABLE ..................8L-38
CONCEALED HEADLAMPS ..................8L-27
EXTERIOR LAMP SWITCHES AND HEADLAMP ALIGNMENT ........................... 8L-3
EXTERIOR LAMP SYSTEMS .................8L-25
EXTERIOR LAMPSÐAA BODY ................8L-7
EXTERIOR LAMPSÐAC BODY ...............8L-10
EXTERIOR LAMPSÐAG BODY ...............8L-14
EXTERIOR LAMPSÐAJ BODY ................8L-16
EXTERIOR LAMPSÐAP BODY ...............8L-19
EXTERIOR LAMPSÐAY-BODY ................8L-22
GENERAL INFORMATION .................... 8L-1
ILLUMINATED ENTRY SYSTEM ...............8L-33
OVERHEAD CONSOLE ........................ 8C-1
AA BODY .............................. 8C-1
AC AND AY BODY ........................ 8C-6
AG AND AJ BODIES ...................... 8C-13
AP BODY ............................. 8C-21
POWER LOCKS ............................ 8P-1
POWER MIRRORS ..........................8T-1
POWER SEATS ............................ 8R-1
POWER WINDOWS .......................... 8S-1
REAR WINDOW DEFOGGER .................... 8N-1
RESTRAINT SYSTEMS ....................... 8M-1
TURN SIGNALS AND HAZARD WARNING FLASHER ....8J-1
VEHICLE SPEED CONTROL .................... 8H-1

VEHICLE THEFT SECURITY SYSTEM ..............8Q-1
WINDSHIELD WIPER AND WASHER SYSTEMS .......8K-1
GENERAL WIPER INFORMATION ...............8K-1
INTERMITTENT WINDSHIELD WIPER MOTOR AND SWITCH SERVICE PROCEDURES ............8K-12 WINDSHIELD WASHERS
................... 8K-17
WINDSHIELD WIPER BLADE AND ARM SERVICE PROCEDURES ......................... 8K-1
WINDSHIELD WIPER MOTOR AND LINKAGE ASSEMBLY SERVICE PROCEDURES ...........8K-3

COMPONENT AND SYSTEM INDEX
Name Group-page Name Group-page
BRAKES ..................................5-1
BENDIX ANTILOCK 4 BRAKE SYSTEM ...........5-12
ABS BRAKE SYSTEM DIAGNOSTIC FEATURES.......5-24
ABS SYSTEM SELF DIAGNOSIS................ 5-24
BENDIX ANTILOCK 4 BRAKE SYSTEM DIAGNOSTICS....5-25
CONTROLLER ANTILOCK BRAKE CAB............. 5-24
LATCHING VERSUS NON-LATCHING ABS FAULTS.......5-25
START-UP CYCLE........................ 5-24
ABS COMPUTER SYSTEM SERVICE PRECAUTIONS....5-23
ABS GENERAL SERVICE PRECAUTIONS........... 5-23
ABS BRAKE SYSTEM ON VEHICLE SERVICE.........5-23
TEST DRIVING ABS COMPLAINT VEHICLES.......... 5-23
WHEEL SPEED SENSOR CABLES............... 5-23
ANTILOCK BRAKE SYSTEM COMPONENTS..........5-16
BUILD/DECAY VALVES..................... 5-16
FLUID SUMPS.......................... 5-17
HYDRAULIC SPRING ACCUMULATOR.............5-17
MODULATOR ASSEMBLY.................... 5-16
PRESSURE DIFFERENTIAL SWITCH..............5-17
PROPORTIONING VALVES................... 5-17
PUMP/MOTOR ASSEMBLY...................5-17
SHUTTLE ORIFICE........................ 5-16
WHEEL SPEED SENSORS....................5-18
ANTILOCK BRAKE SYSTEM DEFINITIONS..........5-14
ANTILOCK BRAKES OPERATION AND PERFORMANCE. . . 5-15
ANTILOCK BRAKE SYSTEM OPERATION............ 5-15
PEDAL FEEL........................... 5-15
TIRE NOISE & MARKS.....................5-15
ANTILOCK SYSTEM RELAYS AND WARNING LAMPS. . . 5-19
ANTILOCK WARNING LAMP DIODE..............5-20
Antilock Warning Lamp Off................... 5-20
Antilock Warning Lamp On...................5-20
PUMP/MOTOR RELAY...................... 5-20
SYSTEM RELAY......................... 5-19
BENDIX ANTILOCK 4 BRAKE SYSTEM DIAGNOSTICS. . . 5-22
DEFINITIONS........................... 5-23
GENERAL INFORMATION....................5-22
BLEEDING BENDIX ANTILOCK 4 BRAKE SYSTEM......5-25
BENDIX ANTILOCK 4 MODULATOR ASSEMBLY BLEEDING
PROCEDURE
......................... 5-26
HYDRAULIC BRAKE TUBE ASSEMBLY (JUNCTION BLOCK
TO MODULATOR ASSEMBLY)
................ 5-34
INSTALL............................ 5-36
REMOVE............................5-34
MASTER CYLINDER AND POWER BOOSTER.........5-38
REMOVAL AND INSTALLATION................. 5-38
MODULATOR ASSEMBLY CIRCUIT BLEEDING PROCEDURE
AND SEQUENCE
....................... 5-26
1 MODULATOR PRIMARY CHECK VALVE CIRCUIT........5-26
2 MODULATOR SECONDARY CHECK VALVE CIRCUIT......5-26
3 MODULATOR ASSEMBLY PRIMARY SUMP CIRCUIT......5-27
4 MODULATOR ASSEMBLY PRIMARY ACCUMULATOR CIRCUIT. 5-27
5 MODULATOR ASSEMBLY SECONDARY SUMP CIRCUIT....5-28
6 MODULATOR ASSEMBLY SECONDARY ACCUMULATOR
CIRCUIT
........................... 5-29
MODULATOR ASSEMBLY (FIG. 1)...............5-30
INSTALL............................ 5-32
REMOVE............................5-30
PROPORTIONING VALVES (FIG. 1)...............5-38
INSTALL............................ 5-39
REMOVAL...........................5-38
PUMP/MOTOR SERVICE....................5-29
CONTROLLER ANTILOCK BRAKE CAB.............5-18
CONTROLLER ANTILOCK BRAKE (INPUTS)..........5-19
CONTROLLER ANTILOCK BRAKE (OUTPUTS).........5-19
DIAGNOSTIC CONNECTOR.................... 5-19
ELECTRONIC COMPONENTS..................5-41
CONTROLLER ANTILOCK BRAKE CAB.............5-41
INSTALL............................ 5-42
REMOVE............................5-41
FRONT WHEEL SPEED SENSOR (FIG. 9)...........5-43
INSTALLATION......................... 5-44
REMOVAL........................... 5-43
REAR WHEEL SPEED SENSOR (FIGS. 10 AND 11)......5-44
INSTALLATION......................... 5-44
REMOVAL........................... 5-44
REMOVAL/INSTALLATION OF SYSTEM RELAY.........5-42
INSTALL............................ 5-43
REMOVE............................5-43
REMOVE/INSTALL PUMP MOTOR RELAY...........5-43
WHEEL SPEED SENSORS.................... 5-43
INSPECTION.......................... 5-43
GENERAL INFORMATION....................5-12
HYDRAULIC CIRCUITS AND VALVE OPERATION......5-20
ABS BRAKING-BUILD PRESSURE............... 5-20
BUILD/DECAY VALVES..................... 5-20
ABS BRAKING-DECAY PRESSURE...............5-22
BUILD/DECAY VALVES..................... 5-22
NORMAL BRAKING....................... 5-20
BUILD/DECAY VALVES.....................5-20
MAJOR COMPONENTS...................... 5-14
CONTROLLER ANTILOCK BRAKE CAB.............5-14
MASTER CYLINDER AND VACUUM BOOSTER.........5-14
MODULATOR AND PUMP MOTOR/ASSEMBLY.........5-14
WHEEL SPEED SENSORS.................... 5-14
MECHANICAL DIAGNOSTICS AND SERVICE
PROCEDURES
.......................... 5-24
INTERMITTENT FAULTS.....................5-24
SPECIAL SERVICE TOOL....................5-24
DRB DIAGNOSTIC TESTER...................5-24
NORMAL BRAKE SYSTEM FUNCTION.............5-14
ON-CAR ABS BRAKE SYSTEM SERVICE...........5-25
CHECKING BRAKE FLUID LEVEL................ 5-25
GENERAL SERVICE PRECAUTIONS...............5-25
SPECIFICATIONS......................... 5-46
SYSTEM SELF-DIAGNOSTICS..................5-15
VEHICLE PERFORMANCE.................... 5-15
WARNING SYSTEMS OPERATION...............5-16
NORMAL OPERATION OF WARNING LAMP..........5-16
GENERAL INFORMATION .....................5-1
HYDRAULIC SYSTEM CONTROL VALVES .........5-10
GENERAL INFORMATION.................... 5-10
HYDRAULIC SYSTEM SERVICE PROCEDURES........5-11
BRAKE WARNING SYSTEM................... 5-11
CHECKING BRAKE WARNING SWITCH UNIT...........5-11
TESTING ANTILOCK PROPORTIONING VALVES........5-11
PRESSURE DIFFERENTIAL WARNING LIGHT SWITCH. . . 5-10
SERVICE ADJUSTMENTS .....................5-3