FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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DTC 43

NOTE: The source of code 43 can be from either the Air Outlet Damper Position Sensor circuit or the Air Outlet Servomotor circuit. It may be necessary to complete both inspection procedures below to find the source of the trouble code.

Air Outlet Damper Position Sensor Circuit








This sensor detects the position of the air outlet damper and sends the appropriate signals to the air conditioning control assembly. The position sensor is built into the air outlet servomotor assembly.

Diagnostic Chart:




Wiring Diagram:






Inspection Procedure - Step 1:




Step 2:




Step 3:






Air Outlet Servomotor Circuit





This circuit turns the servomotor and changes each mode damper position by the signals from the A/C control assembly. When the AUTO switch is on, the A/C control assembly changes the mode automatically between (FACE), (BI-LEVEL) and (FOOT) according to the temperature setting.

Diagnostic Chart:




Wiring Diagram:






Inspection Procedure - Step 1:




Step 2:




Step 3: