Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD1993CROWN VICTORIA LXREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSDIAGNOSIS - AODE & AODE-W (W/EEC-IV)
1993 Ford Crown Victoria LX
Diagnosis - AODE & AODE-W (W/EEC-IV)
1993 Ford Crown Victoria LXSECTION Diagnosis - AODE & AODE-W (W/EEC-IV)
- Application
- Introduction
- Description & Operation
- Notes
- Input Sensors
- Air Conditioning Clutch (ACC)
- Barometric Pressure (BARO) Sensor
- Brake On/Off (BOO) Switch
- Coolant Temperature Sensor (ECT)
- Mass Airflow Sensor (MAS)
- Manual Lever Position (MLP)
- Output Shaft Speed (OSS) Sensor
- Profile Ignition Pickup (PIP)
- Programmable Speedometer/Odometer Module (PSOM)
- Throttle Position Sensor (TPS)
- Transmission Control Switch (TCS)
- Transmission Oil Temperature (TOT) Sensor
- Vehicle Speed Sensor (VSS)
- Output Devices
- Trouble Shooting
- Self-Diagnostic System
- Quick Test
- Diagnostic System - Additional System Functions
- System Tests
- Circuit Tests - Using Circuit Tests
- Circuit Tests (Pinpoint & Circuit Tests)
- Pinpoint Test B - Tot Electrical System
- Pinpoint Test C - TCC Electrical System
- Pinpoint Test D - MLP Sensor
- Pinpoint Test E - EPC Solenoid
- Pinpoint Test F - Output Shaft Speed Sensor
- Circuit Test Ca - Reference Voltage
- Circuit Test DA - Temperature Sensor Test (IAT & ECT)
- Circuit Test Dc - Mass Airflow (MAF) Sensor
- Circuit Test DH - Throttle Position (TP) Sensor
- Circuit Test DP - Vehicle Speed Sensor (VSS)
- Circuit Test FD - Brake On-Off (Boo) Switch
- Circuit Test Ff - Power Steering Pressure (PSP) Switch
- Circuit Test G - MAF/TPS Fuel Injector Pulse Width Test
- Circuit Test Km - A/C Demand Switch
- Circuit Test Ml - STO Or Mil (Self-Test Output Or Malfunction Indicator Light
- Circuit Test QA - No Codes/Codes Not Listed
- Circuit Test Tb - TCS/TCSM & Trans Indicator Light Transmission Control Switch (TCS), Transmission Control Switch Module (TCSM), & Transmission Control Indicator Light
- Circuit Test TC - Transmission Solenoids
- Wiring Diagrams
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.