Engine Controls - System/Component Tests - EFI

• Introduction
• Air Induction Systems
  • Turbocharger MX-6 & 626
    • Air By-Pass Valve
    • Boost Pressure
    • Compressor & Turbine Wheel Deflection
    • Intercooler
    • Oil Passage Inspection
    • Overboost Warning
    • Solenoid Valve
    • Wastegate Actuator
  • Variable Inertia Charging System (Protege DOHC & 929)
    • System Check (Protege DOHC)
    • System Check (929)
    • Check Valve (929)
    • Solenoid Valve
    • Shutter Valve Actuator (Protege DOHC)
    • Shutter Valve Actuator (929)
    • Shutter Valve (929)
    • Vacuum Chamber (Protege DOHC)
    • Vacuum Chamber (929)
  • Variable Resonance Induction System (MPV 3.0L & MX-3 DOHC)
    • System Check (MX-3 DOHC)
    • Check Valve
    • Shutter Valve Actuator (MPV 3.0L)
    • Shutter Valve Actuator (MX-3 DOHC)
    • Solenoid Valve
    • Vacuum Chamber
• Computerized Engine Controls
  • Electronic Control Assembly (NAVAJO)
    • Ground Circuits
    • Power Circuits
  • Engine Control Unit (Except NAVAJO)
• Engine Sensors & Switches
  • A/C Switch
  • Air Charge Temperature (Act) Sensor
    • Navajo
  • Airflow Sensor
    • B2200, B2600i & MPV 2.6L
    • Burn-Off Operation (B2200, B2600i & MPV 2.6L)
  • Airflow Meter
    • Miata, MPV 3.0L, MX-3, MX-6, Protege, 323, 626 & 929
  • Atmospheric Pressure Sensor
  • Barometric Pressure (BP) Sensor
    • Navajo
  • BRAKELIGHT Switch
  • Central Processing Unit (CPU)
    • MPV & 929
  • Clutch Switch (M/T)
  • Cold Start THERMOSWITCH
    • 929
  • Coolant Temperature Switch
    • Miata, MX-3 SOHC, Protege & 323
    • MX-6 & 626
  • Coolant THERMOSENSOR
  • Crank Angle Sensor
  • Engine Coolant Temperature (ECT) Sensor
    • Navajo
  • EGR Position Sensor
    • MX-3 DOHC, MX-6, 626 & 929
  • Heated Exhaust Gas Oxygen (HEGO) Sensor (NAVAJO)
  • Idle Switch
    • B2200, B2600i, MPV 2.6L, MX-6 & 626
    • Miata, MPV 3.0L, MX-3, Protege, 323 & 929
  • Inertia Switch
    • Navajo
  • Inhibitor Switch (A/T)
  • Intake Air THERMOSENSOR (Dynamic Chamber)
    • B2200, B2600i & MPV
    • 929
  • Knock Sensor
  • Mass Airflow (MAF) Sensor
    • Navajo
  • Neutral Switch
    • M/T Models Except Navajo
    • Navajo (A/T & M/T)
  • Oxygen (O2) Sensor
    • B2200, B2600i, Miata, MPV 2.6L, MX-3, MX-6, Protege, 323 & 626
    • MPV 3.0L & 929
  • Oxygen (O2) Sensor Heater
  • Power Steering Pressure Switch (PSPS)
  • Throttle Position Sensor
  • Variable Reluctance (VR) Sensor
    • Navajo
  • Vehicle Speed Sensor (VSS)
    • Except Navajo
    • Navajo
• Relays & Solenoids
  • Relays
    • Circuit Opening Relay
    • Cold Start Injector Relay (929)
    • Fuel Pump Relay (Navajo)
    • Main Relay (Except Navajo)
    • EEC Power Relay (Navajo)
  • Solenoids
    • Canister Purge (CANP) Solenoid (Navajo)
    • Cold Start Injector Resistance (929)
    • EGR Solenoid (MX-3 DOHC, MX-6, 626 & 929)
    • Fuel Injectors
    • Fuel Injector Resistance
    • Pressure Regulator Control Solenoid (Except Navajo)
    • Purge Control Solenoid
    • Turbocharger Solenoid (MX-6 & 626)
    • VICS Solenoid (Protege DOHC & 929)
    • VRIS Solenoid (MPV 3.0L & MX-3 DOHC)
• Fuel System
  • Fuel Delivery
    • Notes
    • Circuit Opening Relay
    • Fuel Pump Circuit
    • Fuel Pump Relay (Navajo)
    • Inertia Switch (Navajo)
    • Fuel Pressure Regulator (Navajo)
    • Fuel Pressure Regulator Pressure Leakage (Navajo)
    • Pulsation Damper
  • Fuel Control
    • Fuel Injectors
    • Injector Fuel Leakage (Except Navajo)
    • Injector Fuel Leakage (Navajo)
• Idle Control System
  • IDLE SPEED CONTROL SYSTEM B2200/B2600i/MPV/MX-3/MX-6/626/929
    • Air Valve (B2200, B2600i, MPV 2.6L, MX-6 & 626)
    • Air Valve (MPV 3.0L & 929)
    • Air Valve (MX-3)
    • ISC Valve
  • Idle Speed Control (ISC) System (MIATA, Protege & 323)
    • Air Valve
    • ISC Valve
  • Idle Speed Control (ISC) System (NAVAJO)
    • Idle Speed Control (ISC) Solenoid
• Ignition System
  • Notes
  • Pinpoint Tests (NAVAJO)
    • Notes
    • Pinpoint Test B (IDM Failure Code 212)
    • Pinpoint Test C (Lack Of Power Or Poor Fuel Economy Code 213)
    • Pinpoint Test D (No Start Or Coil Failure Code 232)
• Emission Systems & Sub-Systems
  • Deceleration Control System
  • Exhaust Gas RECIRCULATION (EGR) MX-3 DOHC, MX-6, 626 & 929
    • System Check (MX-3 DOHC & 929)
    • System Check (MX-6 & 626)
    • EGR Control Valve
    • EGR Modulator Valve (MX-6 & 626 Non-Turbo)
    • EGR Position Sensor (MX-3 DOHC)
    • EGR Position Sensor (MX-6 & 626)
    • EGR Solenoid Valve (MX-3 DOHC, MX-6 Turbo, 626 Turbo & 929)
    • EGR Solenoid Valve (MX-6 & 626 Non-Turbo)
    • Vacuum Chamber (MX-6 & 626 Turbo)
  • Fuel Evaporation (Except NAVAJO)
    • System Inspection
    • Charcoal Canister
    • Check Valve
    • Check & Cut Valve
    • Fuel Vapor Valve
    • Purge Control Solenoid Valve
    • Separator
  • Fuel Evaporation (NAVAJO)
    • Canister Purge (CANP) Solenoid
    • EVAP Canister
  • Positive Crankcase Ventilation (PCV)
    • System Inspection
  • Thermostatic Air Cleaner (TAC) NAVAJO
    • Air Cleaner Temperature Sensor
    • Air Control Door
• Miscellaneous Controls
  • A/C Clutch
    • A/C Cut-Off Control System B2200, B2600i, Miata, MPV, MX-3, 929
    • Wide Open Throttle A/C Cut-Out (WAC) & A/C Demand Switch (Navajo)