A/C Compressor Lock Sensor (Camry)
WARNING: This page does not describe the selected car, but rather 17 other vehicles, including the 2003 Toyota Tundra, 2003 Toyota Tacoma, 2003 Toyota Sienna, 2003 Toyota Sequoia, and 2003 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
A/C compressor lock sensor delivers 4 pulse input signals per engine revolution to Engine Control Module (ECM). If number ratio of A/C compressor speed divided by engine speed is smaller than a predetermined value, ECM delivers input signal to A/C amplifier and A/C amplifier will turn off A/C compressor. A/C lock sensor is located near front of A/C compressor.