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A/C Control Assembly: Notes

WARNING: This page is about a different car, the 2001 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: For A/C control assembly connector terminal identification, see Figure.

Remove A/C-heater control assembly from instrument panel. Turn ignition on unless instructed otherwise. With connectors attached, backprobe connectors between indicated terminals. If circuits do not test as specified, inspect circuit and related components. If circuits test as specified, temporarily install a known-good A/C control assembly and recheck operation of A/C system.