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 MANUALSCHRYSLER1999CIRRUS L4-2.4L VIN XREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTRELAYS AND MODULES - POWERTRAIN MANAGEMENTRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULEDIAGRAMSDIAGRAM INFORMATION AND INSTRUCTIONSHOW TO USE COMPLETE BODY AND CHASSIS DIAGRAMSPOSITIVE TEMPERATURE COEFFICIENT
1999 Chrysler Cirrus L4-2.4L VIN X
Positive Temperature Coefficient
1999 Chrysler Cirrus L4-2.4L VIN XSECTION Positive Temperature Coefficient
Positive Temperature Coefficient (PTC) devices are being used for circuit protection. These PTC's act like a solid state fuse. They are located in the junction block, and are used to protect such items as: power door lock motors, power windows, and various engine solenoids.

A special symbol is used to identify these in the wiring diagrams.
Positive Temperature Coefficient Symbol:
A special symbol is used to identify these in the wiring diagrams.
RENDER: 1.0x
NO RELATED
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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.