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.