Engine Controls - Tests W/Codes

• Introduction
• Self-Diagnostic System
  • Hard Failures
  • Intermittent Failures
• Entering Self-Diagnostics
  • Flash Code Method (CALIFORNIA)
  • Impulse Count Readout
• Retrieving Codes (CALIF Vehicles)
• Retrieving Codes (Federal Vehicles)
• Code And Component
• Testing With On-Off Ratio Tester
  • Notes
  • On-Off Ratio Test
• Trouble Shooting
  • Trouble Shooting - Ignition On, Engine Off
  • Trouble Shooting - Engine Idling
• Clearing Codes
• Test Step Charts
• Impulse Display Code Charts
  • Display 1: No System Malfunction,
  • Display 2: Full Load Contact
  • Display 3: Coolant Temperature Sensor
  • Display 4: Airflow Sensor Position Indicator
  • Display 5: O2 Sensor
  • Display 6: Not Used
  • Display 7: TD - Signal
  • Display 8: Altitude Correction Capsule
  • Display 9: ELECTROHYDRAULIC Actuator
  • Display 10: Idle Speed Contact
  • Display 11: Not Used
  • Display 12: EGR Temperature Sensor
• Summary