A1 Auto Parts
325-235-2420
a1auto@a1-autoparts.com
10525 S IH 20
Sweetwater
TX 79556



PDF associated: /PT 77-0002.pdf
JD 8051 PT 77 0002 ENGINE CONTROL COMPUTER BASICS INPUTS A C Compressor Clutch Signal Detonation Sensor Oxygen Sensor A C On Switch EGR Valve Position Sensor Park Neutral Switch Air Charge Temperature Sensor Engine Coolant Temperature Sensor Power Steering Switch Barometric Pressure Sensor Hall Effect Pick Up Assembly Throttle Positon Sensor Brake On Off Switch High Gear Switch Vacuum Sensor Camshaft Position Sensor Manifold Absolute Pressure Sensor Vehicle Speed Sensor Coolant Temperature Sensor Manifold Air Temperature Sensor Crankshaft Position Sensor Mass Airflow Sensor OUTPUTS A C Cooling Fan Controller Mixture Control Solenoid EGR Shut Off Solenoid Oxygen Feedback Solenoid Fuel Injectors Purge control Solenoid Fuel Pump Relay Throttle Air Bypass Valve Idle Air Control Motor Torque Converter Clutch Solenoid CONTROLS Air Fuel Ratio Idle Air Control Operation Cooling System Fan Operation Idle Speed Early Fuel Evaporation System Ignition Timing EGR Emission Control System Torque Converter Clutch Engagement Fuel Delivery ENGINE CONTROL COMPUTER 5V signal to sensors Reference voltage





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