( TL19E00K711000Y1232FAAT00 )

DTC Troubleshooting: B1232 (H and AUTO)

1. Check for continuity between climate control unit connector A (28P) No. 23 terminal and climate control unit connector B (12P) No. 10 terminal.

Is there continuity?

YES | - | Repair short in the wires between the climate control unit and the evaporator temperature sensor.■
NO | - | Go to Step 9 .

1. Remove the evaporator temperature sensor, and test it.

Is the evaporator temperature sensor OK?

YES | - | Substitute a known-good climate control unit, and recheck. If the symptom/indication goes away, replace the original climate control unit .■
NO | - | Replace the evaporator temperature sensor. ■