Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1988 Mazda 323 GTFACTORY OEM SERVICE PROCEDURE
EGI Control System
- Description
- Operation
- Inputs
- Air Conditioning Switch
- Airflow Meter (Inlet Air Temperature)
- Airflow Meter (Vc)
- Airflow Meter (Vs)
- Atmospheric Pressure Sensor
- Brake Light Switch
- Coolant Temperature Sensor
- Coolant Temperature Switch
- Electrical Load Control
- Idle Switch
- Ignition Coil
- Ignition Switch
- Inhibitor Switch (A/T)
- Knock Sensor (Turbo)
- Main Relay
- Neutral/Clutch Switch (M/T)
- Oxygen (O2) Sensor
- Throttle Sensor
- Outputs
- Inputs
- Trouble Shooting
- Diagnosis & Testing
- With Self-Diagnostic Checker
- Without Self-Diagnostic Checker
- Trouble Codes (Non-Turbo)
- Trouble Codes (Turbo)
- Ecu Voltage Testing
- Deceleration Control System
- High Altitude Compensation System
- Component Testing
- Airflow Meter
- Atmospheric Pressure Sensor
- Brake Light Switch
- By-Pass Air Control (BAC) Valve
- Circuit Opening Relay
- Clutch Switch (M/T)
- Coolant Temperature Sensor
- Coolant Temperature Switch
- Electrical Load Control Unit
- Inhibitor Switch (A/T)
- Knock Control System
- Main Relay
- Neutral Switch (M/T)
- Purge Solenoid
- Throttle Sensor (Turbo)
- Throttle Sensor (Non-Turbo)
- Wiring Diagrams
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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