The A/C control module sets DTC B1204 if the Feed Back signal of passenger Passenger Air Mix Potentiometer(actuator) has been detected open or below 0.1V for 0.3 seconds.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Voltage check | 1. Poor connection of connected part 2. Open in signal circuit (Feedback circuit), Power circuit or Ground Circuit 3. Faulty Passenger Air Mix Potentiometer(actuator) 4. Faulty A/C control module |
Enable Conditions |
•
Ignition "ON" | |
Threshold value |
•
Feedback signal has been detected open or below 0.1V for 0.3 seconds | |
Failsafe |
•
Setting temperature : 16℃(62.6℉)-24.5℃(76.1℉) fix at max. cooling position
•
Setting temperature : 25℃(77℉)-31℃(89.6℉) fix at max. heating position |