D8: CHECK THE RE-CIRCULATION AIR ACTUATOR ........................................
D9: CHECK THE GROUND SUPPLY OF THE RELAY – A/C
D10: CHECK THE GROUND CONNECTION OF RELAY – A/C
D11: CHECK THE RELAY – A/C RE-CIRCULATION FLAP .................................
D12: CHECK THE CONTROL CIRCUIT OF THE RELAY – A/C
D13: CHECK THE RE-CIRCULATION SWITCH ..................................................
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D7: CHECK THE CONTROL CIRCUIT OF THE RE-CIRCULATION
System Checks