Engine Emission Control

• Specifications
• Description & Operation
  • Engine Emission Control
    • Exhaust Gas Recirculation Valve (EGR)
      • Notes
      • Operation
      • EGR Valve
      • Monitoring Procedure
      • Circuit Diagram, EGR System / ECM
• Diagnosis & Testing
  • Engine Emission Control
    • Inspection and Verification
    • Visual Inspection Chart
    • Diagnostic Trouble Code (DTC) Index
    • Pinpoint Tests
      • PINPOINT TEST G222870p1 : DTC P0400, P0405; EGR VALVE FLOW MALFUNCTION/DRIVE CIRCUITS OPEN CIRCUIT
        • G222870t1 : CHECK THE EMS POWER SUPPLIES TO THE EGR VALVE
        • G222870t2 : CHECK THE EGR VALVE COIL WINDINGS FOR CONTINUITY
        • G222870t3 : CHECK THE EGR VALVE COIL WINDINGS TO POWER SUPPLY CIRCUIT FOR CONTINUITY
        • G222870t4 : CHECK THE EGR VALVE TO ECM CIRCUITS FOR OPEN CIRCUIT
        • G222870t5 : CHECK THE EGR VALVE TO ECM CIRCUITS FOR SHORT TO HIGH VOLTAGE
        • G222870t6 : CHECK THE EGR VALVE TO ECM CIRCUITS FOR SHORT TO GROUND
• Removal & Installation
  • Exhaust Gas Recirculation (EGR) Valve
    • Removal
    • Installation