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Symptom: *CHECKING RADIATOR FAN RELAY OUTPUT POSSIBLE CAUSES RADIATOR FAN RELAY OPERATION GROUND CIRCUIT OPEN RADIATOR FAN RELAY OUTPUT CIRCUIT RADIATOR FAN ASSEMBLY TEST ACTION APPLICABILITY 1 Turn the ignition off. All Yes → The Radiator Fan System operating properly at this time. Perform POWERTRAIN VERIFICATION TEST VER - 2. No → Go To 2 2 Turn the ignition off. All Yes → Go To 3 No → Repair the open in the Ground circuit(s). Perform POWERTRAIN VERIFICATION TEST VER - 2. 3 Turn the ignition off. All Yes → Replace the Radiator Fan Assembly. Perform POWERTRAIN VERIFICATION TEST VER - 2. No → Repair the open in the Radiator Fan Relay Output circuit(s). Perform POWERTRAIN VERIFICATION TEST VER - 2. 219 DRIVEABILITY - SBEC |