The Airconditioner Control Module sets DTC B1204 when the feedback signal of passenger temperature actuator(Air mix actuator) has been detected below 0.1V for 0.3 seconds.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Monitoring the Voltage | 1. Poor connection in wiring harness 2. Open in signal(Feedback signal) circuit 3. Open in power circuit 4. Short to ground in signal(Feedback signal) circuit 5. Short to ground in power circuit 6. Faulty passenger temperature actuator(Air mix actuator) 7. Faulty A/C control Module |
Enable Conditions |
•
IG KEY ON | |
Threshold value |
•
Feedback signal has been detected below 0.1V for 0.3 seconds. | |
Failsafe |
•
Setting temperature : 24.5℃(76.1℉) fix at max. cooling position
•
Setting temperature : 25℃(77℉) fix at max. heating position |
