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 MANUALSDODGE AND RAM1996CARAVAN L4-2.4L DOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSDESCRIPTION AND OPERATIONFUNCTIONAL OPERATIONINPUTS AND OUTPUTSINPUTSVEHICLE SPEED SENSOR
1996 Dodge and Ram Caravan L4-2.4L DOHC
Vehicle Speed Sensor
1996 Dodge and Ram Caravan L4-2.4L DOHCSECTION Vehicle Speed Sensor
Fig 25 Park/Neutral Switch -- 4 Speed Electronic Automatic Transaxle -- Typical:
The transaxle output speed sensor supplies the vehicle speed and distance inputs to the PCM.
The speed and distance signals, along with a closed throttle signal from the TPS, determine if a closed throttle deceleration or normal idle condition (vehicle stopped) exists.
- Under deceleration conditions, the PCM adjusts the idle air control motor to maintain a desired MAP value.
- Under idle conditions, the PCM adjusts the idle air control motor to maintain a desired engine speed.
The output speed sensor is located on the side of the transaxle (Fig. 25).
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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.