Air Door Vacuum Solenoid Valve: Testing and Inspection

I11 INLET AIR POSITION DETECTION SW [INSIDE SW]
1 - 2 : Continuity with the inlet control lever at REC position

HEATER RELAY
5 - 3 : Closed with the ignition SW at ON position and the blower SW on

P4 PTC AMPLIFIER
3 - GROUND : Approx. 12 volts with the ignition SW at ON position
4 - GROUND : Approx. 12 volts with the ignition SW at ON position, the blower SW on and the max hot SW on
6 - GROUND : Always continuity
10 - GROUND : Continuity with the inlet control lever at REC position