DTC Troubleshooting: B1226 (B)

  1. Check for continuity between the climate control unit 32P connector terminals No. 14 and No. 24.
Is there continuity?
YES -
Repair short in the wires between the climate control unit and the in-car temperature sensor.■
NO -
Substitute a known-good climate control unit, and recheck. If the symptom/indication goes away, replace the original climate control unit .■