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.
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HOMESERVICE MANUALSFORD1996E 350 VAN V8-460 7.5LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTRANSMISSION POSITION SENSOR/SWITCHDESCRIPTION AND OPERATION
1996 Ford E 350 Van V8-460 7.5L
Transmission Position Sensor/Switch: Description and Operation
1996 Ford E 350 Van V8-460 7.5LSECTION Description and Operation
PURPOSE
The Powertrain Control Module (PCM) monitors the Transmission Range (TR) sensor inputs to determine the position of the manual shift lever. This information is used in determining desired gear and electronic pressure control pressure. The TR sensor is mounted on the manual lever and also houses other circuits such as the BACK-UP and START circuits.
CONSTRUCTION
The TR sensor is a ratiometric sensor with six discreet resistors in series. The sensor is decoded by looking at differential voltages produced in each of the shift lever positions. (On Escort/Tracer models the TR sensor incorporates a series of switches that are closed depending on shift lever position.)
The Powertrain Control Module (PCM) monitors the Transmission Range (TR) sensor inputs to determine the position of the manual shift lever. This information is used in determining desired gear and electronic pressure control pressure. The TR sensor is mounted on the manual lever and also houses other circuits such as the BACK-UP and START circuits.
CONSTRUCTION
The TR sensor is a ratiometric sensor with six discreet resistors in series. The sensor is decoded by looking at differential voltages produced in each of the shift lever positions. (On Escort/Tracer models the TR sensor incorporates a series of switches that are closed depending on shift lever position.)
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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.