Engine Controls - System/Component Tests

• Introduction
• Air Induction System
  • Turbocharger
    • Vibration Or Noise
    • Low Boost Pressure
    • White Exhaust Smoke
    • Boost Pressure
    • End Play & Side Play
    • Wastegate Solenoid
• Computerized Engine Controls
  • Control Unit
    • CIS Digital Control (ECU Voltage Supply)
    • Cis-E III
    • CIS Motronic
• Engine Sensors & Switches
  • Cis Digital Control
    • Air Temperature Sensor
    • Coolant Temperature Sensor
    • Engine Speed Sensors
    • Knock Sensor
  • Cis-E III
    • A/C Compressor Clutch (On/Off Signal)
    • Altitude Sensor (Voltage Supply)
    • Coolant Temperature Sensor
    • Full Throttle Switch
    • Idle & Full Throttle Switch
    • Idle Switch
    • Oxygen Sensor
  • Cis MOTRONIC
    • Potentiometer
    • Coolant Temperature Sensor
    • Full Throttle Switch
    • Idle & Full Throttle Switch
    • Idle Switch
    • Oxygen Sensor
• Relays, Solenoids, Motors & Modules
  • Cis Digital Control
    • Fuel Pump Relay
    • Oxygen Sensor Heating Element
    • Cold Start Valve
    • Charcoal Canister Shutoff Valve
    • OXS Frequency Valve
  • Cis-E III
    • Fuel Pump Relay Control
    • O2 Sensor Heating Element
• Fuel System
  • Fuel Delivery
  • Fuel Control (Cis Digital Control)
    • Cold Start Valve
    • Cold Crank Enrichment
    • Cold Engine Warm-Up Enrichment
    • Deceleration Fuel Shutoff Check (Man. Trans. Only)
    • Full Throttle Enrichment
    • OXS Frequency Valve
  • Fuel Control (Cis-E III)
    • System Pressure
    • Differential Pressure Regulator Fuel Pressure
    • Differential Pressure Regulator Electrical System
    • Residual Pressure
    • Cold Acceleration Enrichment
    • Deceleration Fuel Shutoff
  • Fuel Control (Cis MOTRONIC)
    • Fuel System Pressure
    • Deceleration Fuel Shutoff
    • Cold Start Valve
    • Differential Pressure Regulator Fuel Pressure
    • Residual Pressure
• Idle Control System
  • Cis Digital Control
    • Idle Speed Stabilization System
  • Cis MOTRONIC
    • Starting Enrichment
    • Idle Stabilization Valve
• Ignition System
  • Notes
  • Timing Control Systems (Cis Digital Control)
    • Hall Effect Sending Unit
• Emission Systems & Sub-Systems
  • Fuel Evaporation (Cis Digital Control)
    • Charcoal Canister Shutoff Valve