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P0483-FAN SPEED (CONTINUED) 10. (K161) SIGNAL CIRCUIT SHORTED TO VOLTAGE IN THE ECM Reconnect the fan harness connector. Turn the ignition on. While back probing the fan connector measure the voltage between Did voltage go from less than 0.7 volts to 4.7 to 5.7 volts? Yes >> Repair the Fan Speed (K161) Signal circuit in the engine harness. Perform POWERTRAIN VERIFICATION TEST VER - 1 No >> Go To 11 9 - 1278 ENGINE - ELECTRICAL DIAGNOSTICS - DIESEL DR/DH |