Section 3 (Engine Controls - Tests W/Codes - 2.3L)
WARNING: This page is about a different car, the 1993 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Self-Diagnostic System
- Quick Test
- Additional System Functions
- Summary
- Service Code-To-Test Reference Menu
- Service Code Definitions
- Circuit Tests
- Notes
- How To Use Circuit Tests
- Circuit Test Ab - No Start, EI - DISTRIBUTORLESS
- Circuit Test B - Checking Vehicle Battery
- Circuit Test C - Reference Voltage
- Circuit Test DA - Temperature Sensor Test (IAT & ECT)
- Circuit Test Dc - Mass Airflow (MAF) Sensor
- CKT Test DF - Manifold Absolute Pressure (Map)/Barometric
- Circuit Test Dg - Knock Sensor (KS)
- Circuit Test DH - Throttle Position (TP) Sensor
- Circuit Test DL - Pressure Feedback EGR (PFE) Valve, Delta
- Circuit Test DN - EGR Valve Position (EVP) Sensor & EGR
- Circuit Test DP - Vehicle Speed Sensor (VSS)
- Circuit Test Dr - Cylinder I.D. (CID) Circuit
- Circuit Test FD - Brake On-Off (Boo) Switch (2.3L)
- Circuit Test FE - Electrical Load Inputs
- Circuit Test Ff - Power Steering Pressure (PSP) Switch (2.3L)
- Circuit Test G - MAF/TPS Fuel Injector Pulse Width Test
- Circuit Test H - Fuel Control
- Circuit Test Ha - Adaptive Fuel Strategy
- Circuit Test KA - EGR Vacuum Regulator (EVR) Solenoid
- Circuit Test Kb - Canister Purge (CANP) Valve
- Circuit Test KD - Canister Purge (CANP)
- Circuit Test KE - Idle Air Control (IAC) Solenoid
- Circuit Test Km - Wide Open Throttle A/C Cut-Out (WAC) & A/C
- Circuit Test KP - Octane Adjust
- Circuit Test M - Dynamic Response Test
- CKT Test Ml - Self-Test Output (STO) Or Malfunction
- CKT Test NB - Ignition Diagnostic Monitor (IDM)
- Circuit Test NC - Ignition Diagnostic Monitor (IDM)
- Circuit Test Pa - Spark Timing Check (Distributor IGN. SYS)
- Circuit Test PB - Spark Timing Check (2.3L OHC)
- Circuit Test Pc - Spark Timing Check DISTRIBUTORLESS Ignition System (High Data Rate)
- Circuit Test QA - No Codes/Codes Not Listed
- Circuit Test QB - Diagnostic Trouble Code 512
- Circuit Test QC - Output State Check Not Functioning
- Circuit Test S - System Check
- Circuit Test Ta - Clutch Pedal Position (CCP) Switch/
- Circuit Test TC - Transmission Solenoids
- Circuit Test X - Constant Control Relay Module (CCRM)
- Circuit Test XB - Variable Control Relay Module (VCRM)
- Wiring Diagrams