2.5L TBI Tests W/Codes

• Model Identification
• Description
• Diagnostic System Operation
• Basic Diagnostic Procedure
• Entering Or Exiting Diagnostic Mode
• Clearing Trouble Codes
• Reading Trouble Codes
• Trouble Code Component Identification
• Trouble Code Determination (Hard Or Intermittent)
• Diagnostic Materials
  • Notes
  • Diagnostic Charts
  • Diagnostic Circuit Check
  • Diagnostic Symptom Check
  • Field Service Mode Check (EFI Models Only)
• Diagnostic Tools
• "NONSCAN" Diagnostic Circuit Check (A/F/J/N/P Body)
• Scan Tester Usage
• Scan Tester - Test Data Parameters
• "Scan" Diagnostic Circuit Check (A/F/J/N/P Body)
• Chart A1 - No "SES" Light (A/F/J/N/P Body)
• Chart A2 - No Code 12, "SES" Always On (A/F/J/N/P Bodies)
• Chart A3 - Cranks But Won't Run (A/F/J/N/P Body)
• Chart A4 - Cranks But Won't Run (A/F/J/N/P Body)
• Chart A5 - Fuel System Diagnosis (A/F/J/N/P Body)
• Chart A6 - Fuel System Diagnosis (A/F/J/N/P Body)
• Chart A7 - Fuel System Diagnosis (A/F/J/N/P Body)
• Code 13 - Open O2 Circuit (A/F/J/N/P Body)
• Code 14 - Coolant Sensor Signal Volt Lo (A/F/J/N/P Body)
• Code 15 - Coolant Sensor Signal Volt Hi (A/F/J/N/P Body)
• Code 21 - TPS Signal Volt Hi (A/F/J/N/P Body)
• Code 22 - TPS Signal Volt Lo (A/F/J/N/P Body)
• Code 24 - Vehicle Speed Sensor (VSS) (A/F/J/N/P Body)
• Code 33 - Map Sensor Signal Volt Hi (A/F/J/N/P Body)
• Code 34 - Map Sensor Signal Volt Lo (A/F/J/N/P Body)
• Code 35 - Idle Air Control (IAC) (A/F/J/N/P Body)
• Code 42 - Electronic Spark Timing (Est) (A/F/J/N/P Body)
• Code 44 - Lean Exhaust Indication (A/F/J/N/P Body)
• Code 45 - Rich Exhaust Indication (A/F/J/N/P Body)
• Code 51 - Faulty MEMCAL (A/F/J/N/P Body)
• Code 52 - Fuel CALPAK Missing
• Code 55 - ECM (A/F/J/N/P Body)
• ECM Replacement Check Chart - C1
• Chart C1A - Park/Neutral Switch A/T (A/F/J/N/P Body)
• Chart C1B - 2.5L Crank Signal (P Body)
• Chart C1D - Map Output Check (A/F/J/N/P Body)
• Chart C1E - P/S Pressure Switch (A/F/J/N Body)
• Chart C4B - 2.5L Ignition System Check (A/F/N/P Body)
• Chart C8 - 125C TCC (A/N Body)
• Chart C8A - 700-4R TCC (F Body)
• Chart C8B - M/T Shift Light (F Body)
• Chart C9 - 2.5L M/T Shift Light (J/N/P Body)
• Chart C10 - 2.5L A/C Clutch Control (A/F Body)
• Chart C10 - 2.5L A/C Clutch Control (P Body)
• Chart C10A - A/C Clutch Control (J/N Body)
• Chart C12 - 2.5L Engine Cooling Fan (A Body)
• Chart C12A - Engine Cooling Fan (J/N Body)
• Component Locations
• ECM Terminal Voltage
• Wiring Diagram