5.0L/5.7L Carburetor CEC Tests

• Model Identification
• 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
  • System Performance Check (CARBURETED Models)
• Special Tools (Diagnostic)
• Scan Tester Usage
• Scan Data Tables - Full Function CARBURETED
• Diagnostic Circuit Check
• System Performance Check
• Chart A1 - Dwell Fixed Less Than 10 Degrees
• Chart A2 - Dwell Fixed Between 10-45 Or 50 Degrees
• Chart A3 - Dwell Fixed Greater Than 45 Or 50 Degrees
• Chart A5 - No "Service Engine Soon" Light
• Chart A6 - Won't Flash Code 12
• Chart B1 - Restricted Exhaust System Check
  • Notes
  • Checking At Air Pipe
  • Checking At O2 Sensor
  • Diagnosis
• Code 12 - No Distributor Reference Pulses
• Code 13 - Open Oxygen Sensor Circuit
• Code 14 - Coolant Temp Sensor Signal Voltage Low
• Code 15 - Coolant Temp Sensor Signal Voltage High
• Code 21 - TPS Signal Voltage High
• Code 22 - TPS Signal Voltage Low
• Code 23 - M/C Solenoid Circuit Low
• Code 24 - Vehicle Speed Sensor
• Chart 24B - Park/Neutral Circuit
• Code 31 - Canister Purge Solenoid Voltage Signal High 5.0L (VIN Y) B & D Bodies
• Code 32 - BARO Sensor Voltage Signal Low
• Code 34 - Differential Pressure (Vac) Sensor
• Code 41 - No Distributor Reference Signal
• Code 42 - Electronic Spark Timing
• Code 43 - ESC Signal Voltage Low (5.0L VINS G/H & 5.7L VIN 6)
  • Code 43 - Electronic Spark Control (ESC) Signal Voltage Low (5.0L VINS G & H, & 5.7L VIN 6)
  • Diagnostic Aids
• Code 43 - ESC Signal Voltage Low (5.0L VIN Y, B & D Bodies)
  • Code 43 - Electronic Spark Control (ESC) Signal Voltage Low (5.0L VIN Y)
  • Diagnostic Aids
• Code 44 - Lean Exhaust Indication
• Code 45 - Rich Exhaust Indication
• Code 51 - Faulty Prom
• Code 53 - EGR Control Error 5.0L (VIN Y) D Body
• Code 53 - EGR Control Error (5.0L Exc. VIN Y, D Body & 5.7L)
• Code 54 - M/C Solenoid Signal Voltage High
• Chart C1D - Map & BARO Check (5.0L & 5.7L)
• Chart C1E - Differential Pressure Sensor (5.0L & 5.7L)
  • Chart C1E - Differential Pressure (Vac) Sensor Check (5.0L & 5.7L)
• Chart C2B - Idle Stop Solenoid (5.0L VINS G & H & 5.7L VIN 6)
• Chart C2C - Idle Load COMPENSATOR Check (5.0L VIN Y)
• Chart C2D - Rear Vacuum Break (5.0L VIN Y) B, D & G Bodies
• Chart C2F - TPS Enrichment Check 5.0L & 5.7L
• Chart C3 - Canister Purge Sol. (5.0L VINS G/H & 5.7L VIN 6)
  • Chart C3 - Canister Purge Solenoid 5.0L VINS G/H & 5.7L VIN 6
• Chart C3 - Canister Purge Solenoid (5.0L VIN Y, B Body)
• Chart C4A - Ignition System Check (5.0L & 5.7L)
• Chart C4K - Electronic Spark Timing Performance Check
• Chart C5 - Electronic Spark Control
• Chart C6A - Air Management Check 5.0L & 5.7L
• Chart C7A - PWM EGR (5.0L VINS G & H, & 5.7 VIN 6)
  • Pulse Width Modulated (PWM) EGR (5.0L VIN G & H, & 5.7 VIN 6)
• Chart C7C - EGR Check 5.0L (VIN Y)
  • Notes
  • Diagnostic Aids
• Chart C8 - TCC Elect. Diagnosis 5.0/5.7L (1 Of 2)
  • Torque Converter Clutch (TCC) Electrical Diagnosis 5.0L & 5.7L (1 Of 2)
  • Diagnostic Aids:
• Chart C8 - TCC 700-4R Elect. Diagnosis 5.0/5.7L (2 Of 2)
  • Torque Converter Clutch (TCC) 700-4R Electrical Diagnosis - 5.0L & 5.7L (2 Of 2)
  • Diagnostic Aids:
• Chart C9C - Vacuum Actuated EFE System (5.0/5.7L)
• Chart C10C - A/C Cut-Out Relay 5.0L (VIN Y) B & D Bodies
• Component Locations
• ECM Terminal Id
• Wiring Diagram