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Mazda
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1986
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323 DX, 2D Hatchback
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Repair and Diagnosis
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Engine Performance
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System
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EFI Control System
EFI Control System
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Description
Operation
Inputs
Airflow Meter
Atmospheric Pressure Sensor
Battery Power Circuit
Brake & Clutch Switch
Inhibitor Switch
Intake Air Temperature Sensor
Neutral Switch
Oxygen Sensor
Throttle Position Sensor
Power Steering Switch
5th Gear Switch
Outputs
Air By-Pass Solenoid Valve
Digital Code Check Circuit
EGR Control Three-Way Solenoid Valve
Evaporation Purge Control Three-Way Solenoid Valve
Fuel Injectors
Fuel Pressure Control Three-Way Solenoid Valve
Shift Indicator Light
Testing & Diagnosis
Test Equipment & Hook-Up
Reading Trouble Codes
Diagnostic Procedure
Notes
Code 1 (Ignition Pulse)
Code 2 (Airflow Meter)
Code 3 (Coolant Thermo Sensor)
Code 4 (Intake Air Temperature Sensor)
Code 5 (Feedback System)
Code 6 (Atmospheric Pressure Sensor)
Airflow Meter (AFM)
Atmospheric Pressure Sensor
Coolant Temperature Switch
Coolant THERMO Sensor
Clutch Switch
Electronic Control Unit
Neutral Switch
Oxygen Sensor
Throttle Position Sensor
Wiring Diagrams