According to, a serpentine belt is a continuous belt used to drive multiple peripheral devices in an automotive engine such as the power steering pump, alternator, and air pump, water pump, A/C compressor etc. Below schematic shows the 2002 Toyota Camdy Serpentine Belt .

Toyota Camdy Serpentine Belt Wiring Diagram

3. Water pump pulley
4. A/C compressor pulley
5. Crankshaft pulley
6. Power steering pump pulley

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