Defect
UNDER CERTAIN CONDITIONS, A REVERSE CURRENT MIGHT FLOW THROUGH A WIRE CABLE BETWEEN THE AIR RECIRCULATION SWITCH AND A MICROSWITCH.
Consequence
HEATER FAN RESISTOR WOULD OVERHEAT AND SMOKE IN THEPASSENGER COMPARTMENT HEATING SYSTEM, CAUSING DISCOMFORT AND BREATHING HAZARDSTO THE DRIVER AND PASSENGERS.
Remedy
DISCONNECT ELECTRICAL WIRE CABLE AND SECURE BY TAPE AROUND CABLE HARNESS.