Schematics — Ford Probe 1993-1997

Technical Reference

Member-uploaded diagrams & documents for this generation. AI-classified; community-verified where badged.

Schematics

• Schematic showing 1N4004 diodes wiring spark coil negatives to a rev counter, with DigiKey and Farnell part numbers.
• Annotated electronic circuit schematic showing an opto-isolator input stage and MC34072 op-amp comparators with hysteresis and zero-crossing setpoint.
• Schematic of combustion airflow showing fuel and intake air entering the cylinder and exhaust gas recirculation routing.
• Garrett T3 60-trim turbocharger compressor map plotting pressure ratio against corrected mass air flow with efficiency islands and an overlaid operating line.
• Megasquirt MAX232 serial-interface schematic annotated with known-good board pin voltages for the DB9 connector pins 1-16.
• Megasquirt schematic of the U6 MAX232 area annotated with measured pin voltages for capacitor C27 on and off test conditions.
• Schematic detail of a 68HC908GP32 microcontroller showing labeled pin functions and hand-drawn signal/ground connections.
• Megasquirt power-supply schematic annotated with measured voltages across the voltage regulator, supply rails and CPU clock crystal.
• Megasquirt ECU connector schematic showing the DB9 serial port, MAX232 level converter and DB37 main input/output connector.
• Megasquirt power-supply and voltage-regulator schematic annotated by hand with measured voltages at the regulator, CPU clock and rails.
• Megasquirt ECU connector schematic showing the DB9 serial interface, MAX232, input signal jumpers and the DB37 main connector pinout.
• Hand-drawn intake/exhaust plumbing schematic for a turbo and M90 supercharger setup with labeled pulleys, BOV and mufflers.
• Ignition system schematic showing camshaft/crankshaft position sensors, ignition coil, control module and PCM with NE1 and G signal waveforms.
• Close-up of a hand-drawn before/after op-amp circuit schematic for a CLT sensor circuit with voltage values.
• Hand-drawn before/after circuit schematic of an op-amp fan-relay control with voltage and resistance annotations.
• Hand-drawn electronic circuit schematic using an LM393 comparator and resistors to control a high-speed fan.
• Hand-drawn schematic of a 60-2 crank trigger wheel labeling trigger positions A, B and C with tooth counts and degree offsets for timing.
• Hand-drawn schematic of a 60-2 crank trigger wheel with tooth numbering, VR sensor alignment and degree references for ignition timing.
• Schematic of intake manifold switching valves (VRIS) with a torque-versus-engine-speed graph and valve open/closed states.
• Three-dimensional cutaway schematic illustration of an engine showing internal pistons, crankshaft, valvetrain and front belt pulley.
• Block-diagram schematic of an intake air path showing throttle body, VAF, intake piping, filter and supercharger.
• Three-dimensional schematic illustration of an engine timing gear-and-chain set showing crankshaft and camshaft sprockets.
• Three-dimensional cutaway schematic illustration of a V engine showing internal pistons, crankshaft and valvetrain components.
• Hand-drawn schematic of an intake manifold showing long and short intake runner ports and throttle body location.
• Schematic of a simple home network connecting an ADSL box, router, and wired and wireless computers.