
The diagnostic check activates only during selected
engine/driving conditions. When the conditions are
met, the PCM energizes the transducer solenoid to
disable the EGR. The PCM checks for a change in the
oxygen sensor signal. If the air-fuel mixture goes lean,
the PCM attempts to enrichen the mixture. The PCM
registers a fault if the EGR system has failed or
degraded. After registering a fault, the PCM turns the
on Malfunction Indicator Lamp (instrument Check
Engine light). The lamp indicates the need for imme-
diate service.
If the Malfunction Indicator Lamp turns on and the
PCM stored an EGR fault, check for proper operation of
the EGR system. Use the System Test, EGR Gas Flow
Test and EGR Diagnosis Chart. If the EGR system
tests properly, check the system using the DRBII scan
tool. Refer to the DRBII scan tool and the appropriate
Powertrain Diagnostics Procedure manual.
EXHAUST GAS RECIRCULATION (EGR) SYS-
TEM TEST—3.3L ENGINE
WARNING: APPLY PARKING BRAKE AND/OR BLOCK
WHEELS
BEFORE
PERFORMING
EGR
SYSTEM
TEST.
A failed or malfunctioning EGR system can cause
engine spark knock, sags or hesitation, rough idle,
and/or engine stalling. To ensure proper operation of
the EGR system, all passages and moving parts must
be free of deposits that could cause plugging or stick-
ing. Ensure that the system hoses does not leak.
Replace leaking components.
Inspect hose connections between intake manifold,
EGR solenoid and transducer, and the EGR valve.
Replace hardened, cracked, or damaged hoses. Repair
or replace faulty connectors.
Check the EGR control system and EGR valve with
the engine fully warmed up and running (engine cool-
ant temperature over 170°F). With the transmission in
neutral and the throttle closed, allow the engine to idle
for 70 seconds. Abruptly accelerate the engine to ap-
proximately 2000 rpm, but not over 3000 rpm. The
EGR valve stem should move when accelerating the
engine (the relative position of the groove on the EGR
valve stem should change). Repeat the test several
times to confirm movement. If the EGR valve stem
moves, the control system is operating normally. If the
control system is not operating normally, refer to the
EGR Diagnosis Chart to determine the cause.
EGR GAS FLOW TEST—3.3L ENGINE
Use the following procedure to determine if exhaust
gas is flowing through the EGR system.
Connect a hand vacuum pump to the EGR valve
vacuum motor. With engine running at idle speed,
slowly apply vacuum. Engine speed should begin to
drop when applied vacuum reaches 2.0 to 3.5 inches.
Engine speed may drop quickly or engine may even
stall. This indicates that EGR gas is flowing through
the system.
If both the EGR Gas Flow Check, System Check
and Diagnosis Chart are completed satisfactorily,
then the EGR system functions normally.
If engine speed does not drop off when performing
the test, remove both the EGR valve and EGR tube
and check for plugged passages. Check and if neces-
sary, clean these components for restoration of proper
flow. Replace as necessary.
EXHAUST GAS RECIRCULATION (EGR)
SYSTEM TESTING—3.5L ENGINE
WARNING:
APPLY
PARKING
BRAKE
AND/OR
BLOCK WHEELS BEFORE PERFORMING EGR SYS-
TEM TEST.
A failed or malfunctioning EGR system could cause
engine spark knock, and possibly sags or hesitation,
rough idle, and stall the engine. To ensure proper op-
eration of the EGR system, all passages and moving
parts must be free of deposits that could cause plug-
ging or sticking. Ensure that the system hoses does
not leak. Replace leaking components.
Inspect hose connections between intake manifold,
EGR solenoid and transducer, and the EGR valve.
Replace hardened, cracked, or damaged hoses. Re-
place faulty hoses.
TESTING ELECTRONIC EGR TRANSDUCER
SOLENOID—3.5L ENGINE
(1) Ensure manifold vacuum flows to the electronic
EGR transducer.
Use the DRBII scan tool’s Actuators screen to test
the solenoid on the electronic EGR transducer (EET).
Refer to the appropriate Powertrain Diagnostic Man-
ual.
(2) Disconnect the vacuum supply hose from the
transducer. Tee a vacuum gauge between the trans-
ducer and hose. Start the vehicle. There should be a
minimum of 15 inches of vacuum supplied to the so-
lenoid. If vacuum is low, check for kinked or twisted
hoses and leaking hoses or hose connections.
(3) Actuate the solenoid using the DRBII scan tool.
The solenoid should click when turned on and off. As
the solenoid cycles, it should shut vacuum to the
transducer on and off. Replace the EGR valve and
transducer/solenoid if the solenoid operates incor-
rectly. If the solenoid operates correctly, test the
transducer.
TESTING EGR TRANSDUCER—3.5L ENGINE
(1) Disconnect the vacuum hose and back-pressure
hose from the transducer. Disconnect the electrical
connector from the solenoid.
25 - 12
EMISSION CONTROL SYSTEMS
Содержание Concorde 1993
Страница 4: ......
Страница 7: ...LUBRICATION AND MAINTENANCE SCHEDULES LUBRICATION AND MAINTENANCE 0 3 ...
Страница 22: ......
Страница 24: ...Fig 1 L H Platform Front Suspension 2 2 SUSPENSION AND DRIVESHAFTS ...
Страница 25: ...SUSPENSION STEERING DIAGNOSIS FRONT WHEEL DRIVE SUSPENSION AND DRIVESHAFTS 2 3 ...
Страница 27: ...Fig 2 L H Platform Front Suspension SUSPENSION AND DRIVESHAFTS 2 5 ...
Страница 44: ...Fig 1 Front Stabilizer Bar And Stabilizer Bar Mounting 2 22 SUSPENSION AND DRIVESHAFTS ...
Страница 63: ...SUSPENSION STEERING DIAGNOSIS FRONT WHEEL DRIVE SUSPENSION AND DRIVESHAFTS 2 41 ...
Страница 75: ...Fig 1 L H Platform Fully Independent Rear Suspension SUSPENSION AND DRIVESHAFTS 2 53 ...
Страница 92: ...SPECIFICATIONS ALIGNMENT SPECIFICATIONS AT CURB HEIGHT 2 70 SUSPENSION AND DRIVESHAFTS ...
Страница 94: ......
Страница 97: ...Fig 3 Proper Nut Thread Size And Tube Routing ABS Equipped BRAKES 5 3 ...
Страница 105: ...BRAKE SYSTEM DIAGNOSTICS BRAKES 5 11 ...
Страница 106: ...BRAKE SYSTEM DIAGNOSTICS 5 12 BRAKES ...
Страница 107: ...BRAKE SYSTEM DIAGNOSTICS BRAKE SYSTEM DIAGNOSTICS BRAKES 5 13 ...
Страница 145: ...FIG 2 PARKING BRAKE CABLE ROUTING BRAKES 5 51 ...
Страница 179: ...Fig 2 Baseline Brakes Hydraulic Control Fig 3 Pressure Hold Hydraulic Control ANTI LOCK BRAKE SYSTEM 5 85 ...
Страница 198: ...BRAKE ACTUATION SYSTEM TIGHTENING REFERENCE 5 104 ANTI LOCK BRAKE SYSTEM ...
Страница 200: ...COOLING SYSTEM DIAGNOSIS 7 2 COOLING SYSTEM ...
Страница 201: ...COOLING SYSTEM DIAGNOSIS COOLING SYSTEM 7 3 ...
Страница 202: ...COOLING SYSTEM DIAGNOSIS 7 4 COOLING SYSTEM ...
Страница 203: ...COOLING SYSTEM DIAGNOSIS COOLING SYSTEM 7 5 ...
Страница 204: ...COOLING SYSTEM DIAGNOSIS 7 6 COOLING SYSTEM ...
Страница 205: ...COOLING SYSTEM DIAGNOSIS COOLING SYSTEM 7 7 ...
Страница 220: ...SPECIFICATIONS TORQUE COOLING SYSTEM CAPACITY 7 22 COOLING SYSTEM ...
Страница 225: ...Fig 7 Battery Diagnostics BATTERY STARTING CHARGING SYSTEMS DIAGNOSTICS 8A 5 ...
Страница 236: ...Fig 14 Starter Relay Tests 8A 16 BATTERY STARTING CHARGING SYSTEMS DIAGNOSTICS ...
Страница 239: ...Fig 1 Charging Diagnostics BATTERY STARTING CHARGING SYSTEMS DIAGNOSTICS 8A 19 ...
Страница 242: ...Fig 6 Generator Fault Codes 8A 22 BATTERY STARTING CHARGING SYSTEMS DIAGNOSTICS ...
Страница 243: ...Fig 7 Check For Inadequate Low Charging BATTERY STARTING CHARGING SYSTEMS DIAGNOSTICS 8A 23 ...
Страница 244: ...Fig 8 Check For Overcharging 8A 24 BATTERY STARTING CHARGING SYSTEMS DIAGNOSTICS ...
Страница 246: ...SPECIFICATIONS BATTERY STARTER TORQUE SPECIFICATIONS 8A 26 BATTERY STARTING CHARGING SYSTEMS DIAGNOSTICS ...
Страница 258: ......
Страница 282: ......
Страница 291: ...Fig 25 Instrument Panel Breakdown INSTRUMENT PANEL AND GAUGES 8E 9 ...
Страница 292: ...Fig 26 Instrument Panel Breakdown 207 8E 10 INSTRUMENT PANEL AND GAUGES ...
Страница 296: ......
Страница 298: ...Fig 1 Radio Diagnosis 8F 2 AUDIO SYSTEM ...
Страница 299: ...Fig 2 Radio Connector Circuits AUDIO SYSTEM 8F 3 ...
Страница 306: ......
Страница 308: ...Fig 2 Horn Diagnosis 8G 2 HORNS ...
Страница 310: ......
Страница 313: ...Fig 4 System Diagnosis SPEED CONTROL SYSTEM 8H 3 ...
Страница 314: ...Fig 5 System Diagnosis Continued 8H 4 SPEED CONTROL SYSTEM ...
Страница 320: ......
Страница 322: ...Fig 1 Turn Signal and Hazard Warning Flasher Diagnosis 8J 2 TURN SIGNALS AND HAZARD WARNING FLASHER ...
Страница 324: ......
Страница 327: ...Fig 5 Wiper Motor Runs Diagnosis WINDSHIELD WIPER AND WASHER SYSTEMS 8K 3 ...
Страница 328: ...Fig 6 Wiper Motor Will Not Run Diagnosis 8K 4 WINDSHIELD WIPER AND WASHER SYSTEMS ...
Страница 350: ......
Страница 360: ......
Страница 364: ......
Страница 370: ......
Страница 374: ......
Страница 382: ......
Страница 388: ...ENGINE DIAGNOSIS PERFORMANCE ENGINE 9 5 ...
Страница 389: ...ENGINE DIAGNOSIS MECHANICAL 9 6 ENGINE ...
Страница 416: ...ENGINE SPECIFICATIONS 3 3L ENGINE 9 33 ...
Страница 417: ...ENGINE SPECIFICATIONS CONT 9 34 3 3L ENGINE ...
Страница 418: ...ENGINE SPECIFICATIONS CONT 3 3L ENGINE 9 35 ...
Страница 419: ...ENGINE SPECIFICATIONS CONT 9 36 3 3L ENGINE ...
Страница 420: ...TORQUE 3 3L ENGINE 9 37 ...
Страница 450: ...ENGINE SPECIFICATIONS 3 5L ENGINE 9 67 ...
Страница 451: ...ENGINE SPECIFICATIONS CONT 9 68 3 5L ENGINE ...
Страница 452: ...ENGINE SPECIFICATIONS CONT TORQUE 3 5L ENGINE 9 69 ...
Страница 453: ......
Страница 456: ...EXHAUST SYSTEM DIAGNOSIS EXHAUST SYSTEM AND INTAKE MANIFOLD 11 3 ...
Страница 466: ...TORQUE SPECIFICATION Fig 10 Heat Shield and Oxygen Sensor Wire Connection EXHAUST SYSTEM AND INTAKE MANIFOLD 11 13 ...
Страница 467: ......
Страница 470: ...EXHAUST SYSTEM DIAGNOSIS EXHAUST SYSTEM AND INTAKE MANIFOLD 11 3 ...
Страница 480: ...TORQUE SPECIFICATION Fig 10 Heat Shield and Oxygen Sensor Wire Connection EXHAUST SYSTEM AND INTAKE MANIFOLD 11 13 ...
Страница 481: ......
Страница 485: ...Fig 6 Engine Compartment Side View 13 4 FRAME AND BUMPERS ...
Страница 486: ...Fig 7 Forward Frame Section and Engine Cradle FRAME AND BUMPERS 13 5 ...
Страница 487: ...Fig 8 Rear Frame Section 13 6 FRAME AND BUMPERS ...
Страница 491: ...Fig 6 Engine Compartment Side View 13 4 FRAME AND BUMPERS ...
Страница 492: ...Fig 7 Forward Frame Section and Engine Cradle FRAME AND BUMPERS 13 5 ...
Страница 493: ...Fig 8 Rear Frame Section 13 6 FRAME AND BUMPERS ...
Страница 507: ...Fig 37 Chassis Fuel Tubes 14 14 FUEL SYSTEMS ...
Страница 534: ...3 3L FUEL INJECTOR DIAGNOSIS FUEL SYSTEMS 14 41 ...
Страница 535: ...3 5L FUEL INJECTOR DIAGNOSIS 14 42 FUEL SYSTEMS ...
Страница 544: ...POWERTRAIN CONTROL MODULE 60 WAY CONNECTOR FUEL SYSTEMS 14 51 ...
Страница 545: ...DIAGNOSTIC TROUBLE CODE DESCRIPTION 14 52 FUEL SYSTEMS ...
Страница 546: ...DIAGNOSTIC TROUBLE CODE DESCRIPTION CONTINUED FUEL SYSTEMS 14 53 ...
Страница 547: ...DIAGNOSTIC TROUBLE CODE DESCRIPTION CONTINUED 14 54 FUEL SYSTEMS ...
Страница 567: ...STEERING COMPONENTS SERVICE DIAGNOSIS POWER STEERING SERVICE DIAGNOSIS 19 2 STEERING ...
Страница 568: ...POWER STEERING SERVICE DIAGNOSIS STEERING 19 3 ...
Страница 569: ...POWER STEERING SERVICE DIAGNOSIS 19 4 STEERING ...
Страница 570: ...POWER STEERING SERVICE DIAGNOSIS STEERING 19 5 ...
Страница 571: ...POWER STEERING SERVICE DIAGNOSIS 19 6 STEERING ...
Страница 572: ...POWER STEERING SERVICE DIAGNOSIS STEERING 19 7 ...
Страница 591: ...Fig 1 L H Platform Saginaw Tilt Steering Column 19 26 STEERING ...
Страница 604: ...DIAGNOSIS GUIDE VEHICLE WILL NOT MOVE TRANSAXLE 21 5 ...
Страница 605: ...DIAGNOSIS GUIDE FLUID LEAKS 21 6 TRANSAXLE ...
Страница 606: ...DIAGNOSTIC TROUBLE CODE CHART A TRANSAXLE 21 7 ...
Страница 607: ...DIAGNOSIS CHART B 21 8 TRANSAXLE ...
Страница 621: ...21 22 TRANSAXLE 1993 Concorde Intrepid Vision Publication No 81 270 3140 TSB 21 19 92 December 14 1992 ...
Страница 682: ...DIAGNOSTIC TROUBLE CODE 11 DIAGNOSTIC TROUBLE CODE 12 TRANSAXLE 21 83 ...
Страница 683: ...DIAGNOSTIC TROUBLE CODE 13 DIAGNOSTIC TROUBLE CODE 14 21 84 TRANSAXLE ...
Страница 684: ...DIAGNOSTIC TROUBLE CODE 15 DIAGNOSTIC TROUBLE CODE 16 TRANSAXLE 21 85 ...
Страница 685: ...DIAGNOSTIC TROUBLE CODE 17 DIAGNOSTIC TROUBLE CODE 18 21 86 TRANSAXLE ...
Страница 686: ...DIAGNOSTIC TROUBLE CODE 19 DIAGNOSTIC TROUBLE CODE 20 TRANSAXLE 21 87 ...
Страница 687: ...DIAGNOSTIC TROUBLE CODE 21 27 21 88 TRANSAXLE ...
Страница 689: ...DIAGNOSTIC TROUBLE CODE 29 DIAGNOSTIC TROUBLE CODE 31 32 21 90 TRANSAXLE ...
Страница 690: ...DIAGNOSTIC TROUBLE CODE 36 DIAGNOSTIC TROUBLE CODE 37 TRANSAXLE 21 91 ...
Страница 691: ...DIAGNOSTIC TROUBLE CODE 38 21 92 TRANSAXLE ...
Страница 692: ...DIAGNOSTIC TROUBLE CODE 41 44 TRANSAXLE 21 93 ...
Страница 693: ...DIAGNOSTIC TROUBLE CODE 45 DIAGNOSTIC TROUBLE CODE 46 21 94 TRANSAXLE ...
Страница 695: ...DIAGNOSTIC TROUBLE CODE 50 58 21 96 TRANSAXLE ...
Страница 696: ...DIAGNOSTIC TROUBLE CODE 60 62 TRANSAXLE 21 97 ...
Страница 697: ...42LE HYDRAULIC SCHEMATICS 21 98 TRANSAXLE ...
Страница 698: ... TRANSAXLE 21 99 ...
Страница 699: ...21 100 TRANSAXLE ...
Страница 700: ...TRANSAXLE 21 101 ...
Страница 701: ...21 102 TRANSAXLE ...
Страница 702: ...TRANSAXLE 21 103 ...
Страница 703: ...21 104 TRANSAXLE ...
Страница 704: ...TRANSAXLE 21 105 ...
Страница 705: ...21 106 TRANSAXLE ...
Страница 706: ...TRANSAXLE 21 107 ...
Страница 707: ...21 108 TRANSAXLE ...
Страница 708: ...TRANSAXLE 21 109 ...
Страница 709: ...21 110 TRANSAXLE ...
Страница 710: ...42LE SPECIFICATIONS 42LE FOUR SPEED AUTOMATIC TRANSAXLE TRANSAXLE 21 111 ...
Страница 712: ...MASTER SHIM CHART TRANSAXLE 21 113 ...
Страница 713: ......
Страница 717: ...Fig 4 Tire Wear Patterns 22 4 WHEELS TIRES ...
Страница 718: ...LEAD CORRECTION CHART WHEELS TIRES 22 5 ...
Страница 721: ...SPECIFICATIONS Fig 6 Checking Wheel Run out TIRE SPECIFICATIONS TORQUE SPECIFICATIONS 22 8 WHEELS TIRES ...
Страница 765: ...Fig 5 Charge Determination Graph 24 6 HEATING AND AIR CONDITIONING ...
Страница 781: ...DRB II SCAN TOOL FLOW CHART MANUAL ATC 24 22 HEATING AND AIR CONDITIONING ...
Страница 782: ...DRB II SCAN TOOL MENU BODY SECTION CLIMATE CONTROL ITEMS HEATING AND AIR CONDITIONING 24 23 ...
Страница 783: ...DRB II SCAN TOOL FLOW CHART SYSTEM TESTS 24 24 HEATING AND AIR CONDITIONING ...
Страница 786: ...ENGINE VACUUM SCHEMATIC 3 3L ENGINE EMISSION CONTROL SYSTEMS 25 3 ...
Страница 787: ...ENGINE VACUUM SCHEMATIC 2 5L ENGINE 25 4 EMISSION CONTROL SYSTEMS ...
Страница 796: ...EGR DIAGNOSIS CHART 3 3L ENGINE EMISSION CONTROL SYSTEMS 25 13 ...
Страница 804: ...CONVERSION TABLES INTRODUCTION 5 ...
Страница 805: ...CONVERSION TABLES INTERNATIONAL CONTROL AND DISPLAY SYMBOLS 6 INTRODUCTION ...
Страница 810: ... 520 QVWDOODWLRQ QG 2SHUDWLRQ QVWUXFWLRQ RRNOHW ...