3.0L PFI Tests W/Codes

• Model Identification
• Description
• Pre-Test Conditions
• Diagnostic System Operation
  • Notes
  • "Hard Failures"
  • "Intermittent Failures"
• Basic Diagnostic Procedure
• Entering Or Exiting Diagnostic Mode (Non-Scan)
• Reading Trouble Codes
• ECM Trouble Code Definitions
• Trouble Code Determination (Hard Or Intermittent)
• Clearing Trouble Codes
• Diagnostic Materials
  • Notes
  • Diagnostic Charts
  • Diagnostic Aids
• Field Service Mode Check (Fuel Injected Models)
• Special Diagnostic Tools
• Scan Tester Usage
• Scan Tester - Test Data Parameters
• Diagnostic Circuit Check
• "Scan" Diagnostic Circuit Check
• Chart A1 - No "Service Engine Soon" Light
• Chart A2 - No Code 12 "SERV Eng Soon" Light Always On
• Chart A3 - Engine Cranks But Will Not Run
  • Notes
  • Diagnostic Aids
• Chart A5 - Engine Cranks But Won't Run
• Chart A6 - Engine Cranks But Won't Run
• Chart A7 - Fuel System Diagnosis
• Chart A8 - Fuel Injection
• Code 13 - Open Oxygen Sensor Circuit
• Code 14 - Cts Signal Voltage Low
  • Coolant Temperature Sensor (Cts) Signal Voltage Low
• Code 15 - Coolant Sensor Signal Voltage High
  • Coolant Temperature Sensor (Cts) Signal Voltage High
• Code 21 - TPS Signal Voltage High
• Code 22 - TPS Signal Voltage Low
• Code 23 - Mat Sensor Signal Voltage High
• Code 24 - Vehicle Speed Sensor
• Code 25 - Mat Sensor Signal Voltage Low
• Code 32 - EGR Vacuum Control
  • Exhaust Gas RECIRCULATION (EGR) Vacuum Control
• Code 33 - Mass Air Flow (MAF) Sensor
• Code 34 - Mass Air Flow (MAF) Sensor
• Code 42 - C(3)I Ignition
• Code 43 - Electronic Spark Control (ESC)
• Code 44 - Lean Exhaust Indication
• Code 45 - Rich Exhaust Indication
• Codes 51, 52, 55 - Prom, CALPAK & ECM
• Chart C1 - ECM Replacement Check Chart
• Chart C1A - Park Neutral Switch
• Chart C1E - Power Steering Pressure Switch Check
• Chart C2C - Idle Air Control
• Chart C3 - Canister Purge Check
• Chart C4F1 - Misfires At Idle
  • Test Description For Steps 1-5
• Chart C4F2 - Misfires Under Load
  • Test Description For Steps 1-4
• Chart C4H - (3.0L Type I Ignition)
• Chart C5 - Electronic Spark Control (ESC) Test
  • Electronic Spark Control (ESC) Test
• Chart C7 - Exhaust Gas RECIRCULATION
• Chart C8 - TCC (3.0L Engine)
  • Transmission/Transaxle Converter Clutch (TCC) (3.0L Engine)
• Chart C10A - A/C Clutch Control
• Chart C10B - A/C Clutch Control
• Chart C10C - A/C Constant Run Relay Check
• Chart C12A - Coolant Fan Check
• Chart C12B - Coolant Fan - Fan Always On (3.0L Engine)
• Chart C12C - Coolant Fan - No Low Speed Fan (3.0L Engine)
• Component Locations
• ECM Terminal Id
• Wiring Diagrams