Other information:
Oil Specification
1.
The HFC-134a system requires synthetic (PAG) compressor oil
whereas the R-12 system requires mineral compressor oil. The two oils
must never be mixed.
2.
Compressor (PAG) oil varies according to compressor model. Be sure to use oil specified for the compressor model.
Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the console temperature control actuator connector.
3.
Verify that the console temperature control actuator operates
to the defrost mode when connecting 12V to terminal 3 and grounding
terminal 4.