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Checking Radiator Fan Operation With No DTCs

Test 1 - 4:




Test 5 - 9:






SYMPTOM
CHECKING RADIATOR FAN OPERATION WITH NO DTCS

POSSIBLE CAUSES
- Fused B+
- radiator fan relay output circuit open
- Rad fan motor
- Radiator fan relay output circuit shorted to ground
- Radiator fan relay
- Radiator fan ground circuit open