No Response From Cabin Heater Module

Test 1 - Test 3:

Test 4 - Test 6:

SYMPTOM
NO RESPONSE FROM CABIN HEATER MODULE

POSSIBLE CAUSES
- Check powers and grounds to the cabin heater module
- Module - internal short to ground
- K-IC, ATC, HBM, CHM circuit shorted to ground
- Module - internal short to voltage
- K-IC, ATC, HBM, CHM circuit shorted to voltage
- K-IC, ATC, HBM, CHM circuit open
- Cabin heater module