Help A/C issue.

[marcus]

This helps atleast it could just be a leak easier and less expensive to fix than the ac compressor itself.. Do you know if removing the compressor can cause leak when Toyota replaced the water pumpunless the damage a line while working on the wp? Thanks Scott

Originally Posted by CTScott

The AC ECU controls the compressor clutch and if it senses an issue, such as too high or too low of refrigerant pressure, it will not activate it. The AC ECU has DTCs just like all of the other ECUs, but unfortunately there is no trick with it for getting it to flash a light to tell you the code. Its codes have to be read with a TechStream tool.