Engine Controls - Tests W/Codes - Non-Turbo

• Introduction
• Self-Diagnostic System
  • Retrieving Codes
    • Notes
    • Fuel Injection & Ignition Systems
  • Trouble Code Identification
  • Diagnostic Unit "A" Led Does Not Flash
  • Diagnostic Unit "A" Led Flashes But Ecu Does Not Respond
  • Clearing Codes (LH 3.2)
  • Ecu Location
  • Measuring Unit
    • Connecting Measuring Unit (9813190) & Adapter (9813195)
• Self-Diagnostics
  • Fuel Injection System Diagnostics
  • Ignition System Diagnostics
  • Entering Self-Diagnostics - Fuel Injection System
    • Notes
    • Diagnostic Test Mode No. 1 (On-Board Diagnosis)
    • Diagnostic Test Mode No. 2 (Function Testing)
    • Diagnostic Test Mode No. 3 (Control Testing)
  • Entering Self-Diagnostics - Ignition System
    • Notes
    • Diagnostic Test Mode No. 1 (On-Board Diagnosis)
    • Diagnostic Test Mode No. 2 (Function Testing)
    • Diagnostic Test Mode No. 3 (Control Testing)
• Diagnostic Trouble Code Testing
  • Fuel Injection Diagnosis
    • Notes
    • 1-1-2: Fuel Injection ECU Fault
    • 2-1-2: HO2S Signal Absent Or Faulty
    • 1-1-3: HO2S Integrator At Maximum Enrichment Limit, 2-2-1: Adaptive HO2S Control Rich At Part Load, 2-3-1: Adaptive HO2S Control Lean At Part Load & 5-1-2: HO2S Integrator At Maximum Lean Running Limit
    • 1-2-1: MAF Signal Absent Or Faulty
    • 1-2-3: Engine Temperature Sensor Signal Absent Or Faulty
    • 2-2-3: IAC Valve Signal Absent Or Faulty
    • 2-3-2: Adaptive HO2S Control Provides Richer Mixture At Idle
    • 4-1-1: Throttle Switch Signal Absent Or Faulty
    • 1-3-2: Battery Voltage Too Low Or High
    • 1-3-1: Ignition Speed System Signal Absent Or Faulty
    • 3-1-1: Speedometer Signal Absent Or Faulty
    • 5-1-1: Adaptive HO2S Control Provides Leaner Mixture At Idle
  • Ignition System Diagnosis
    • 1-1-2: ECU Fault
    • 1-2-3: Engine Temperature Sensor Signal Absent Or Faulty
    • 1-3-1: VSS Signal Absent & 2-1-4: VSS Signal Intermittent
    • 1-4-3: Front Knock Sensor Signal Absent Or Faulty & 4-3-3: Rear Knock Sensor Signal Absent Or Faulty
    • 1-4-4: Load Signal From Fuel Injection System Absent/Faulty
    • 1-5-4: EGR System Leakage
    • 2-4-1: EGR Flow Incorrect
    • 3-1-1: Speedometer Signal Absent Or Faulty
    • 3-1-4 & 3-2-4: Camshaft Position Sensor Signal Absent/Faulty
    • 4-1-1: Throttle Switch Signal Absent Or Faulty
    • 4-1-3: EGR Temperature Sensor Signal Incorrect/Missing
    • 4-3-2 & 5-1-3: High Temperature Warning In ECU Box
• Summary