Operation CHARM: Car repair manuals for everyone.

Temperature Control Operates But Is Inaccurate

In-car temperature feels warmer on hot days:

^ Check for short in Ambient Sensor.
^ Check for short to ground in YEL (61) wire between Ambient Sensor and Heater and A/C Programmer.

In-car temperature feels cooler on cold day:

^ Check for open in Ambient Sensor.
^ Check for open in YEL (61) wire or GRY wire (999) between Ambient Sensor and Heater and A/C Programmer.