DTC Description

If Direction Potentiometer circuit open is detected, A/C control module sets DTC B1249.

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

Voltage Monitoring

1.

Poor Connector Connection

2.

Signal Circuit Open/Short

3.

Defected Mode Control Actuator

4.

Defected A/C Control Module

Enable Conditions

Ignition Switch "ON"

Threshold value

Mode Door Position Feedback Circuit open or Feedback signal is less than 0.1 V for more than 0.3 sec.

Fail Safe

If Vent mode is selected : Actuator is positioned at VENT mode.

If other mode is selected : Actuator is positioned at DEF mode.

Clear Condition

Ignition Switch "OFF" or Voltage Returns to Normal State

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