Section 10 (DFI ECM Tests W/Codes)
WARNING: This page is about a different car, the 1988 Cadillac Seville and 1988 Cadillac Eldorado. However, it is still accessible from the selected car via links, so may be relevant.
- Entering Diagnostic Mode - Testing
- Segment Check
- Trouble Code Display
- System Selection
- Test Type Selection
- Test Choice Selection
- Exiting Diagnostic Mode
- ECM Data Displays Identification
- Notes
- ECM "Ed01" Data Code
- ECM "Ed02" Data Code
- ECM "Ed03" Data Code
- ECM "Ed04" Data Code
- ECM "Ed05" Data Code
- ECM "Ed06" Data Code
- ECM "Ed07" Data Code
- ECM "Ed08" Data Code
- ECM "Ed10" Data Code
- ECM "Ed11" Data Code
- ECM "Ed12" Data Code
- ECM "Ed18" Data Code
- ECM "Ed19" Data Code
- ECM "Ed26" Data Code
- ECM "Ed70" Data Code
- ECM "Ed98" Data Code
- ECM "Ed99" Data Code
- Input Displays
- Output Displays
- Override Displays
- Fixed Spark Mode (Setting Ignition Timing)
- DFI Performance Flow Chart Definitions
- Visual Inspection
- DFI System Check
- Chart A1 - Inoperative "Engine Control System" Light
- Chart A2 - "Eng Control System" Light On (No Codes Present
- Chart A3 - No Start Or Stall After Start
- Chart A4A - Fuel System Diagnosis
- Chart A4B - Fuel Pressure Out Of Range
- Chart A5 - Injector System Diagnosis
- Chart A6 - Oxygen Sensor Not Ready
- Chart A7 - Lean Exhaust Signal
- Chart A8 - Rich Exhaust Signal
- Chart A9 - Oxygen Sensor Diagnosis
- Chart C1 - ECM Replacement Check
- Chart C3 - Canister Purge Diagnosis
- Chart C4 - Est System Check
- Chart C6 - Air Management Diagnosis
- Chart C7 - EGR Diagnosis
- Chart C8 - VCC Diagnosis
- Self-Diagnostic System Check Information
- Trouble Code/Symptom Identification
- ECM Chart A - Multiple Codes Stored Hard
- ECM Code EO12 - No Distributor (Tach) Signal
- ECM Code EO13 - Oxygen Sensor Not Ready
- ECM Code EO14 - Shorted Coolant Sensor Circuit
- ECM Code EO15 - Open Coolant Sensor Circuit
- ECM Code EO16 - Alternator Voltage Out Of Range
- ECM Code EO18 - Open Crank Signal Circuit
- ECM Code EO19 - Shorted Fuel Pump Circuit
- ECM Code EO20 - Open Fuel Pump Circuit
- ECM Code EO21 - Shorted TPS Circuit
- ECM Code EO22 - Open TPS Circuit
- ECM Code EO23 - Est Circuit Problem
- ECM Code EO24 - Speed Sensor Circuit Problem
- ECM Code EO26 - Shorted Throttle Switch Circuit
- ECM Code EO27 - Open Throttle Switch Circuit
- ECM Code EO28 - Open 3RD Or 4TH Gear Circuit
- ECM Code EO30 - Idle Speed Control Circuit Problem
- ECM Code EO31 - Shorted Map Sensor Circuit
- ECM Code EO32 - Open Map Sensor Circuit
- ECM Code EO34 - Map Signal Too High
- ECM Code EO37 - Shorted Mat Sensor Circuit
- ECM Code EO38 - Open Mat Sensor Circuit
- ECM Code EO39 - VCC Engagement Problem
- ECM Code EO40 - Open Power Steering Pressure Switch Circuit
- ECM Code EO44 - Lean Exhaust Signal
- ECM Code EO45 - Rich Exhaust Signal
- ECM Code EO47 - BCM-To-ECM Data Problem
- ECM Code EO48 - EGR System Fault
- ECM Code EO52 - ECM Memory Reset
- ECM Code EO53 - Distributor Signal Interrupt
- ECM Code EO55 - TPS Out Of Adjustment
- ECM Code EO59 - VCC Temperature Sensor Circuit
- ECM Code EO60 - Cruise Control/Transmission Not In Drive
- ECM Code EO63 - Vehicle Speed/Set Speed Difference Too High
- ECM Code EO64 - Cruise Control/Acceleration Too High
- ECM Code EO65 - Cruise Control/Coolant Temperature Too High
- ECM Code EO66 - Cruise Control/Engine Rpm Too High
- ECM Code EO67 - Cruise Control Switch Shorted
- ECM Input Data Code Identification
- ECM Input Data Code Tests
- ECM Input Code EI71 - VCC Brake Switch Circuit
- ECM Input Code EI72 - Throttle Switch Circuit
- ECM Input Code EI74 - Park/Neutral Switch Circuit
- ECM Input Code EI78 - Power Steering Pressure Switch Circuit
- ECM Input Code EI79 - Cruise Control Enable On/Off Input
- ECM Input Code EI80 - Cruise Control Set/Coast Input
- ECM Input Code EI81 - Cruise Control Resume/ACCEL Input
- Wiring Diagram