Engine Controls - Self-Diagnosis 7-Series V12

• Introduction
• Self-Diagnostic System
  • Self-Diagnostics Feature
    • Notes
    • Injection Control
    • Airflow Measurement
    • Types of Injection
    • Engine Speed Control
    • Cold Start Control
    • Fuel Evaporation Control For Models With Catalytic Converter
    • Oxygen Control For Models With Catalytic Converter
    • Drlve-Away Protection
    • Automatic Stability Control (ASC)
    • Engine Drag Torque Control (MSR)
    • Performance Characteristic Switchover For EH Transmission
    • Self Diagnosis
    • Control Unit Assignment
    • Monitoring Defect Code Memory
    • Clearing Defect Code Memory
    • Status Monitoring
    • Component Activation
  • Testing Procedure
  • Retrieving Diagnostic Trouble Codes
    • Using BMW MoDIC Or BMW Service Tester
    • Retrieving Codes (Using CHECK ENGINE LIGHT)
    • Type Of Defect
    • Frequency
    • Evaluation Of Stored Codes
  • Clearing Diagnostic Trouble Codes
    • Codes Retrieved Using BMW MoDIC Or BMW Service Tester
    • Codes Retrieved Using CHECK ENGINE Light
  • Control Unit Identification & Location
    • Control Unit Location
    • Control Unit Identification
• Diagnostic Trouble Code Definitions
• Component Locations
• Connector Identification
• Diagnostic Tests
  • Notes
  • DTC 1: DME Control Unit
    • Explanation
    • Possible Causes
    • Corrective Measures
  • DTC 3: Tr Signal/Electric Pump Relay
    • Explanation
    • Diagnosis
  • DTC 5: Fuel Evaporation Valve
    • Explanation
    • Diagnosis
  • DTC 7: Airflow Meter
    • Explanation
    • Diagnosis
  • DTC 10: Oxygen Control
    • Explanation
    • Possible Causes
    • Diagnosis
  • DTC 15: Check Engine Light
    • Explanation
    • Diagnosis
  • DTC 16 & 17: Injector Valves
    • Notes
    • Explanation
    • Diagnosis
  • DTC 23: Sensor Heating Relay
    • Notes
    • Explanation
    • Diagnosis
  • DTC 28: Oxygen Sensor
    • Explanation
    • Diagnosis
  • DTC 29: Road Speed Signal
    • Explanation
    • Diagnosis
  • DTC 37: Supply Voltage
    • Explanation
    • Diagnosis
  • DTC 43: Idle Co Potentiometer
    • Explanation
    • Diagnosis
  • DTC 44: Intake Air Temperature Sensor
    • Explanation
    • Diagnosis
  • DTC 45: Engine Temperature Sensor
    • Explanation
    • Diagnosis
  • DTC 51: Ignition Angle Intervention
    • Explanation
    • Diagnosis
  • DTC 54: Torque Converter Clutch Unit
    • Explanation
    • Diagnosis
  • DTC 100: Output Stage
    • Explanation
  • DTC 101: Engine Operation Not Possible
    • Troubleshooting
• Component Tests
  • Notes
  • DME Control Unit
  • Ignition Coil
  • Tr Signal/EKP Relay
  • Fuel Evaporation Valve
    • Check Electrical Function
    • Check For Leaks
    • Check Drive Phases
  • Airflow Meter
    • Check HLM Signal
    • Check Burn-Off Function
  • Pulse Generator/Cylinder Reference Point
    • Check Function
    • Resistance Test
  • Oxygen Control
    • Check Function
  • Check Engine Light
    • Check Function
  • Fuel Injector Valves
    • Check Electrical Function
    • Check Pulse Duration
    • Resistance Test
  • Sensor Heating Relay
    • Check Function
    • Possible Causes
  • Oxygen Sensor
    • Check Function
  • Main Relay Control (DME Relay No. 2)
    • Check Function
    • Possible Causes
  • Control Unit Voltage Supply
    • Check Permissible Range
  • Co Potentiometer
    • Check Function
  • Intake Air Temperature Sensor (In Airflow Meter)
    • Check Function
    • Resistance Test
  • Engine Temperature Sensor
    • Check Function
    • Resistance Test
  • Engine Speed/Position Pulse Generator
    • Check Function
    • Resistance Test
    • Possible Cause
  • Idle/Full Load Signal
    • Check Function
• Component Resistance & Engine Performance Specifications
• Wiring Diagrams
  • 750iL