cyberflyer Posted November 2, 2013 Posted November 2, 2013 My 2004 Rx330 heater will only blow warm air when outside temp is very cold regardless of temp set in dual hvac unit. What is the problem?
maseace Posted November 2, 2013 Posted November 2, 2013 I attached a symptoms chart from an RX400h which may help. ACsymptoms.pdf
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