Legacy Sedan 2WD F4-2.2L SOHC (1990)
Control Module HVAC: Testing and Inspection
CHECK FAN CONTROL AMP
1) Connect fan control amp harness connector.
2) Ignition switch ON. Fan switch OFF.
3) Measure voltage of fan control amp. output signal.
4) Ignition switch OFF.
5) Disconnect fan control amp harness connector.
6) Check circuit continuity of fan control amp.