DTC 42
NOTE: The source of code 42 can be from either the Air Inlet Damper Position Sensor circuit or the Air Inlet Control Servomotor circuit. It may be necessary to complete both inspection procedures below to find the source of the trouble code.DTC 42 Air Inlet Damper Position Sensor Circuit
CIRCUIT DESCRIPTION
This sensor detects the position of the air inlet damper and sends the appropriate signals to the air conditioning control assembly. The position sensor is built into the air inlet control servomotor.
DETECTING CONDITION:
DIAGNOSTIC CHART:
WIRING DIAGRAM:
STEP 1:
STEP 2:
STEP 3:
INSPECTION PROCEDURE
DTC 42 Air Inlet Control Servomotor Circuit
CIRCUIT DESCRIPTION
The air inlet control servomotor is controlled by the A/C control assembly and moves the air inlet damper to the desired position.
DETECTING CONDITION:
DIAGNOSTIC CHART:
WIRING DIAGRAM:
STEP 1:
STEP 2:
STEP 3:
INSPECTION PROCEDURE