Engine Controls - Tests W/Codes - 2.6L

• Introduction
• Self-Diagnostic System
  • Hard Failures
  • Intermittent Failures
  • Retrieving Codes
  • Clearing Codes
• Diagnostic Circuit Check
  • Notes
  • Trouble Code Charts
  • Ecu Terminal Identification
  • Test 1: ECM Power Supply
  • Test 2: "Check Engine" Light INOP
  • Test 3: Will Not Flash Code 12
  • Code 12: System Normal
  • Code 13: O2 Sensor Circuit
  • Code 14: Coolant Temp Sensor Shorted
  • Code 15: Coolant Temp Sensor Open
  • Code 21: Throttle Valve Switch (Idle & Full Throttle)
  • Code 22: Starter Signal
  • Code 23: Power Transistor Circuit
  • Code 25: Pressure Regulator VSV
  • Code 26 & 27: Canister Purge VSV
  • Code 32: EGR System Malfunction
  • Code 33: Fuel Injector Circuit (Open Or Grounded)
  • Code 34: EGR Gas Temperature Sensor
  • Code 35: Power Transistor Circuit
  • Code 41: Crank Angle Sensor Signal
  • Code 43: Throttle Valve Switch
  • Code 44 & 45: O2 Sensor - Lean/Rich Fuel Mixture
  • Fuel Metering Lean Faulty Inspection Procedure
  • Fuel Metering Rich Faulty Inspection Procedure
  • Code 51 & 52: Faulty ECM Ram/ROM
    • Circuit Connections
    • Test
  • Code 53: Pressure Regulator VSV
  • Code 54: Power Transistor Circuit
  • Code 61 & 62: Airflow Sensor Circuit
  • Code 63: VSS Signal
  • Code 64: Fuel Injector Circuit (ECM Transistor)
  • Code 65: Throttle Valve Switch
• Summary