Manual sections

• Abbreviations
• Accessory Drive Belts
• Adjustments
• Antenna Systems
• Anti-Lock/traction Control
• Application
• Automatic HVAC System
• Automatic Trans
• Auxiliary Emission Control Systems
• Axle Shafts
• Basic Trouble Shooting
• Brakes
• Charging System
• Check Lists
• Computer Relearn
• Cooling Fan
• Cooling System (mechanical)
• Cruise Control Systems
• Dfi BCM Tests W/codes
• Dfi ECM Tests W/codes
• Dfi Sys/component Tests
• Diagnostic Connector Locations
• Door Locks & Anti-Theft Systems
• Driveline/axles
• Electrical Component Locations
• Electronic Suspension
• Emission Applications
• Engine
• Engine Performance
• Fuses & Circuit Breakers
• Gauges & Instrument Panels
• General Servicing - All Makes
• Headlights
• Heated Glass/defoggers
• Identification
• Ignition System
• Manual & Power Steering
• Manual HVAC System
• MAP Guidelines
• Mechanical
• Mechanical - Hydraulic
• Metric Conversions
• Mirrors
• Procedures
• Removal & Installation
• Reset Procedures
• Rpo Codes
• Seats
• Specifications
• Starter
• Steering
• Steering Column
• Steering Column Switches
• Steering Linkage
• Suspension Front
• Suspension Rear
• Testing & Diagnostics
• Theory & Operation
• Traction Control Disable
• Transmission
• Wheel Alignment
• Windows
• Wiper/washer Systems

Repair manual

Dfi ECM Tests W/codes Cadillac Eldorado IX

Step-by-step instructions on "Dfi ECM Tests W/codes" for Cadillac Eldorado IX (1986–1991). Pick an article — removal, installation, adjustment and diagnostics with illustrations.

113subsections

113articles

168illustrations

ENTERING DIAGNOSTIC MODE - TESTING

1 article

• ENTERING DIAGNOSTIC MODE - TESTING 2

SEGMENT CHECK

1 article

• SEGMENT CHECK

TROUBLE CODE DISPLAY

1 article

• TROUBLE CODE DISPLAY

SYSTEM SELECTION

1 article

• SYSTEM SELECTION 1

TEST TYPE SELECTION

1 article

• TEST TYPE SELECTION

TEST CHOICE SELECTION

1 article

• TEST CHOICE SELECTION

"CLEAR CODES?" SELECTION

1 article

• "CLEAR CODES?" SELECTION

ECM "SNAPSHOT?" SELECTION

1 article

• ECM "SNAPSHOT?" SELECTION

BCM "SNAPSHOT?" SELECTION

1 article

• BCM "SNAPSHOT?" SELECTION

EXITING DIAGNOSTIC MODE

1 article

• EXITING DIAGNOSTIC MODE 1

ECM DATA DISPLAYS IDENTIFICATION

1 article

• ECM DATA DISPLAYS IDENTIFICATION

ECM "ED01" DATA CODE

1 article

• ECM "ED01" DATA CODE

ECM "ED02" DATA CODE

1 article

• ECM "ED02" DATA CODE

ECM "ED03" DATA CODE

1 article

• ECM "ED03" DATA CODE

ECM "ED04" DATA CODE

1 article

• ECM "ED04" DATA CODE

ECM "ED05" DATA CODE

1 article

• ECM "ED05" DATA CODE

ECM "ED06" DATA CODE

1 article

• ECM "ED06" DATA CODE

ECM "ED07" DATA CODE

1 article

• ECM "ED07" DATA CODE

ECM "ED08" DATA CODE

1 article

• ECM "ED08" DATA CODE

ECM "ED10" DATA CODE

1 article

• ECM "ED10" DATA CODE

ECM "ED11" DATA CODE

1 article

• ECM "ED11" DATA CODE

ECM "ED12" DATA CODE

1 article

• ECM "ED12" DATA CODE

ECM "ED18" DATA CODE

1 article

• ECM "ED18" DATA CODE

ECM "ED19" DATA CODE

1 article

• ECM "ED19" DATA CODE

ECM "ED26" DATA CODE

1 article

• ECM "ED26" DATA CODE

ECM "ED70" DATA CODE

1 article

• ECM "ED70" DATA CODE

ECM "ED98" DATA CODE

1 article

• ECM "ED98" DATA CODE

ECM "ED99" DATA CODE

1 article

• ECM "ED99" DATA CODE 2

INPUT DISPLAYS

1 article

• INPUT DISPLAYS

ECM "EI71" INPUT CODE

1 article

• ECM "EI71" INPUT CODE

ECM "EI72" INPUT CODE

1 article

• ECM "EI72" INPUT CODE

ECM "EI74" INPUT CODE

1 article

• ECM "EI74" INPUT CODE

ECM "EI78" INPUT CODE

1 article

• ECM "EI78" INPUT CODE

ECM "EI79" INPUT CODE

1 article

• ECM "EI79" INPUT CODE

ECM "EI80" INPUT CODE

1 article

• ECM "EI80" INPUT CODE

ECM "EI81" INPUT CODE

1 article

• ECM "EI81" INPUT CODE

OUTPUT DISPLAYS

1 article

• OUTPUT DISPLAYS

ECM "EO00" OUTPUT CODE

1 article

• ECM "EO00" OUTPUT CODE

ECM "EO01" OUTPUT CODE

1 article

• ECM "EO01" OUTPUT CODE

ECM "EO02" OUTPUT CODE

1 article

• ECM "EO02" OUTPUT CODE

ECM "EO03" OUTPUT CODE

1 article

• ECM "EO03" OUTPUT CODE

ECM "EO04" OUTPUT CODE

1 article

• ECM "EO04" OUTPUT CODE

ECM "EO05" OUTPUT CODE

1 article

• ECM "EO05" OUTPUT CODE

ECM "EO06" OUTPUT CODE

1 article

• ECM "EO06" OUTPUT CODE

ECM "EO07" OUTPUT CODE

1 article

• ECM "EO07" OUTPUT CODE

ECM "EO08" OUTPUT CODE

1 article

• ECM "EO08" OUTPUT CODE

ECM "EO09" OUTPUT CODE

1 article

• ECM "EO09" OUTPUT CODE

ECM "EO99" OUTPUT CODE

1 article

• ECM "EO99" OUTPUT CODE

OVERRIDE DISPLAYS

1 article

• OVERRIDE DISPLAYS

ECM "ES00" OVERRIDE CODE

1 article

• ECM "ES00" OVERRIDE CODE

ECM "ES01" OVERRIDE CODE

1 article

• ECM "ES01" OVERRIDE CODE

ECM "ES02" OVERRIDE CODE

1 article

• ECM "ES02" OVERRIDE CODE

ECM "ES03" OVERRIDE CODE

1 article

• ECM "ES03" OVERRIDE CODE

ECM "ES04" OVERRIDE CODE

1 article

• ECM "ES04" OVERRIDE CODE

FIXED SPARK MODE (SETTING IGNITION TIMING)

1 article

• FIXED SPARK MODE (SETTING IGNITION TIMING) 1

DFI PERFORMANCE FLOW CHART DEFINITIONS

1 article

• DFI PERFORMANCE FLOW CHART DEFINITIONS

VISUAL INSPECTION

1 article

• VISUAL INSPECTION

DFI SYSTEM CHECK

1 article

• DFI SYSTEM CHECK 1

CHART A1 (1 OF 2)

1 article

• CHART A1 (1 OF 2) 3

CHART A1 CONTINUED (2 OF 2)

1 article

• CHART A1 CONTINUED (2 OF 2) 3

CHART A2 - "ENG CONTROL SYSTEM" LIGHT ON (NO CODES PRESENT

1 article

• CHART A2 - "ENG CONTROL SYSTEM" LIGHT ON (NO CODES PRESENT 2

CHART A3 - NO START OR STALL AFTER START

1 article

• CHART A3 - NO START OR STALL AFTER START 4

CHART A4A - FUEL SYSTEM DIAGNOSIS

1 article

• CHART A4A - FUEL SYSTEM DIAGNOSIS 3

CHART A4B - FUEL PRESSURE OUT OF RANGE

1 article

• CHART A4B - FUEL PRESSURE OUT OF RANGE 3

CHART A5 (1 OF 2)

1 article

• CHART A5 (1 OF 2) 4

CHART A5 (2 OF 2)

1 article

• CHART A5 (2 OF 2) 2

CHART A6 - OXYGEN SENSOR NOT READY

1 article

• CHART A6 - OXYGEN SENSOR NOT READY 4

CHART A7 - LEAN EXHAUST SIGNAL

1 article

• CHART A7 - LEAN EXHAUST SIGNAL 2

CHART A8 - RICH EXHAUST SIGNAL

1 article

• CHART A8 - RICH EXHAUST SIGNAL 2

CHART A9 - OXYGEN SENSOR DIAGNOSIS

1 article

• CHART A9 - OXYGEN SENSOR DIAGNOSIS 2

CHART C1 - ECM REPLACEMENT CHECK

1 article

• CHART C1 - ECM REPLACEMENT CHECK 4

CHART C3 - CANISTER PURGE DIAGNOSIS

1 article

• CHART C3 - CANISTER PURGE DIAGNOSIS

FUNCTIONAL TEST OF FUEL VAPOR CANISTER

1 article

• FUNCTIONAL TEST OF FUEL VAPOR CANISTER 4

CHART C4 - EST SYSTEM CHECK

1 article

• CHART C4 - EST SYSTEM CHECK 7

CHART C6 - AIR MANAGEMENT DIAGNOSIS

1 article

• CHART C6 - AIR MANAGEMENT DIAGNOSIS 3

CHART C7 - EGR DIAGNOSIS

1 article

• CHART C7 - EGR DIAGNOSIS 2

DIAGNOSTIC AIDS

1 article

• DIAGNOSTIC AIDS 2

CHART C8 - VCC DIAGNOSIS

1 article

• CHART C8 - VCC DIAGNOSIS 6

SELF-DIAGNOSTIC SYSTEM CHECK INFORMATION

1 article

• SELF-DIAGNOSTIC SYSTEM CHECK INFORMATION 2

TROUBLE CODE/SYMPTOM IDENTIFICATION

1 article

• TROUBLE CODE/SYMPTOM IDENTIFICATION

ECM CHART A - MULTIPLE CODES STORED HARD

1 article

• ECM CHART A - MULTIPLE CODES STORED HARD

CHART A1

1 article

• CHART A1

CHART A2

1 article

• CHART A2

CHART A3

1 article

• CHART A3 5

ECM CODE EO12 - NO DISTRIBUTOR (TACH) SIGNAL

1 article

• ECM CODE EO12 - NO DISTRIBUTOR (TACH) SIGNAL

Notes On Intermittents

1 article

• Notes On Intermittents 3

ECM CODE EO13 - OXYGEN SENSOR NOT READY

1 article

• ECM CODE EO13 - OXYGEN SENSOR NOT READY 2

ECM CODE EO14 - SHORTED COOLANT SENSOR CIRCUIT

1 article

• ECM CODE EO14 - SHORTED COOLANT SENSOR CIRCUIT 2

ECM CODE EO15 - OPEN COOLANT SENSOR CIRCUIT

1 article

• ECM CODE EO15 - OPEN COOLANT SENSOR CIRCUIT 2

ECM CODE EO16 - ALTERNATOR VOLTAGE OUT OF RANGE

1 article

• ECM CODE EO16 - ALTERNATOR VOLTAGE OUT OF RANGE 2

ECM CODE EO18 - OPEN CRANK SIGNAL CIRCUIT

1 article

• ECM CODE EO18 - OPEN CRANK SIGNAL CIRCUIT 3

ECM CODE EO19 - SHORTED FUEL PUMP CIRCUIT

1 article

• ECM CODE EO19 - SHORTED FUEL PUMP CIRCUIT 2

ECM CODE EO20 - OPEN FUEL PUMP CIRCUIT (FUSE NOT BLOWN)

1 article

• ECM CODE EO20 - OPEN FUEL PUMP CIRCUIT (FUSE NOT BLOWN) 3

ECM CODE EO20 - OPEN FUEL PUMP CIRCUIT (BLOWN FUSE)

1 article

• ECM CODE EO20 - OPEN FUEL PUMP CIRCUIT (BLOWN FUSE) 2

Test Conditions

1 article

• Test Conditions

Failure Conditions

1 article

• Failure Conditions

Action

1 article

• Action 2

ECM CODE EO22 - OPEN TPS CIRCUIT

1 article

• ECM CODE EO22 - OPEN TPS CIRCUIT 5

ECM CODE EO23 - EST CIRCUIT PROBLEM (2 OF 2)

1 article

• ECM CODE EO23 - EST CIRCUIT PROBLEM (2 OF 2) 3

ECM CODE EO24 - SPEED SENSOR CIRCUIT PROBLEM

1 article

• ECM CODE EO24 - SPEED SENSOR CIRCUIT PROBLEM 3

ECM CODE EO26 - SHORTED THROTTLE SWITCH CIRCUIT

1 article

• ECM CODE EO26 - SHORTED THROTTLE SWITCH CIRCUIT 2

ECM CODE EO27 - OPEN THROTTLE SWITCH CIRCUIT

1 article

• ECM CODE EO27 - OPEN THROTTLE SWITCH CIRCUIT 12

NOTES ON INTERMITTENT

1 article

• NOTES ON INTERMITTENT 2

NOTES ON INTERMETTENTS

1 article

• NOTES ON INTERMETTENTS 17

ECM CODE EO48 - EGR SYSTEM FAULT (2 OF 2)

1 article

• ECM CODE EO48 - EGR SYSTEM FAULT (2 OF 2) 16

ECM INPUT DATA CODE IDENTIFICATION

1 article

• ECM INPUT DATA CODE IDENTIFICATION

ECM INPUT CODE EI71 - VCC BRAKE SWITCH CIRCUIT

1 article

• ECM INPUT CODE EI71 - VCC BRAKE SWITCH CIRCUIT 1

ECM INPUT CODE EI72 - THROTTLE SWITCH CIRCUIT

1 article

• ECM INPUT CODE EI72 - THROTTLE SWITCH CIRCUIT 1

ECM INPUT CODE EI74 - PARK/NEUTRAL SWITCH CIRCUIT

1 article

• ECM INPUT CODE EI74 - PARK/NEUTRAL SWITCH CIRCUIT 1

ECM INPUT CODE EI78 - POWER STEERING PRESSURE SWITCH CIRCUIT

1 article

• ECM INPUT CODE EI78 - POWER STEERING PRESSURE SWITCH CIRCUIT 1

ECM INPUT CODE EI79 - CRUISE CONTROL ENABLE ON/OFF INPUT

1 article

• ECM INPUT CODE EI79 - CRUISE CONTROL ENABLE ON/OFF INPUT 1

ECM INPUT CODE EI80 - CRUISE CONTROL SET/COAST INPUT

1 article

• ECM INPUT CODE EI80 - CRUISE CONTROL SET/COAST INPUT 1

ECM INPUT CODE EI81 - CRUISE CONTROL RESUME/ACCEL INPUT

1 article

• ECM INPUT CODE EI81 - CRUISE CONTROL RESUME/ACCEL INPUT 2