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A/C Thermostat

WARNING: This page is about a different car, the 1998 Acura Integra. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove A/C thermostat (requires removal and disassembly of evaporator case). Submerge sensing bulb in ice water. See Fig 1 . Connect 12 volts across terminals "C" (+) and "B" (-). Connect a 12-volt light bulb (rated from 3 watts to 18 watts) between terminals "A" and "C".
  2. With temperature decreasing to 37°F (3°C) or less, light should be off. With temperature increasing to 39°F (4°C) or more, light should be on. If light does not respond as specified, replace A/C thermostat.
Fig 1: Testing A/C Thermostat
G95H10048Courtesy of AMERICAN HONDA MOTOR CO., INC.
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