The Airconditioner Control Module sets DTC B1204 if the Feed Back signal of Passenger Temperature 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 actuator 4. Faulty A/C control unit |
Enable Conditions |
•
IG KEY ON | |
Threshold value |
•
Feedback circuit has been detected below 0.1V for 0.3 seconds | |
Failsafe |
•
setting temperature : 16℃(62.6℉)-24℃(76.1℉) fix at max. cooling position
•
setting temperature : 25℃(77℉)-31℃(89.6℉) fix at max. heating position |
