DFI ECM Tests W/Codes
- Testing
- Self-Diagnostic System
- DFI System Control Schematic
- Climate Control/Driver Information Center
- System/Test Level Sequence Chart
- Snapshot Test Level Sequence Chart
- Climate Control/Driver Information Center Data Displays
- 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 (If Available)
- ECM "ED98" Data Code
- ECM "ED99" Data Code
- ECM Diagnostics
- ECM Data Test
- Input Displays
- Output Displays
- Override Displays
- Fixed Spark Mode (Setting Ignition Timing)
- ALDL Connector
- Diagnostic Charts
- DFI System Check
- Chart A1 - Inoperative "Service Soon" Light
- Chart A2 - "Service Soon" Light On - No Codes Set
- Chart A3 - No Start Or Stalls After Start
- Chart A4A - Fuel System Diagnosis
- Chart A4B - Fuel Pressure Out Of Range
- Chart A5 (1 Of 2) - Injector System Diagnosis
- CHART A5 (2 of 2) - INJECTOR SYSTEM DIAGNOSIS
- Chart A6 - Oxygen (O2) Sensor Not Ready
- Chart A7 - Lean Exhaust Signal
- Chart A8 - Rich Exhaust Signal
- Chart A9 - Oxygen (O2) Sensor Diagnosis
- Chart C1 - ECM Replacement Check
- Chart C3 - Canister Purge Diagnosis
- Chart C4 - Est System Check
- Chart C6 - Air Management Diagnosis
- Chart C7 (1 Of 2) - EGR Diagnosis
- Chart C7 (2 Of 2) - EGR Diagnosis
- Chart C8 (1 Of 2) - VCC Diagnosis
- Chart C8 (2 Of 2) - VCC Diagnosis
- 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 E019 - Shorted Fuel Pump Circuit
- ECM Code EO20 (1 Of 2) - Open Fuel Pump Circuit
- ECM Code EO20 (2 Of 2) - Fuel Pump Fuse Blown
- 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 (1 Of 2) - Open 3RD Or 4TH Gear Circuit
- ECM Code EO28 (2 Of 2) - Open 3RD Or 4TH Gear CKT
- 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 (1 Of 2) - EGR System Fault
- ECM Code E048, (1 Of 2) EGR System Fault Schematic
- Flow Chart, Code E048, (1 Of 2) EGR System Fault
- ECM Code EO48 (2 Of 2) - 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 (Trans. Not In Drive)
- Code EO63 - Vehicle Speed/Set Speed Difference Too High
- Code EO64 - Cruise Control (Acceleration Too High)
- Code EO65 - Cruise Control (Coolant Temp Too High)
- Code EO66 - Cruise Control (Engine Rpm Too High)
- Code EO67 - Cruise Control Switch Shorted
- Input Code EI71 - VCC Brake Switch Circuit
- Input Code EI72 - Throttle Switch Circuit
- Input Code EI74 - Park/Neutral Switch Circuit
- Input Code EI78 - Power Steering Pressure Switch Circuit
- Input Code EI79 - Cruise Control Enable On/Off Input
- Input Code EI80 - Cruise Control Set/Coast Input
- Input Code EI81 - Cruise Control (Resume/ACCEL Input)
- Wiring Diagrams