DTC B1233 sets if the In-Car Temperature Sensor signal is at or below 0.1V for 0.3 seconds.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Voltage check | 1. Short circuit in harness 2. Faulty incar temp.sensor 3. Faulty A/C Control Unit |
Enable Conditions |
•
Ignition ON | |
Threshold value |
•
Sensor signal is at or below 0.1V for 0.3 seconds | |
Failsafe |
•
Substituded In-Car Temp. = 25℃ (77℉) |
