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Home >> Jeep >> 2002 >> Grand Cherokee 2WD Laredo V8-4.7L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Component Tests and General Diagnostics >> Checking Radiator Fan Operation

Checking Radiator Fan Operation

Tests 1 - 5:




Tests 6 - 7:




SYMPTOM
CHECKING RADIATOR FAN OPERATION WITH NO DTCS

POSSIBLE CAUSES
- Fused B(+) circuit open
- Radiator fan ground circuit open
- RAD fan motor
- Radiator fan relay output circuit open
- Radiator fan relay