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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P1480: Cooling Fan Speed Control Solenoid Valve >> DTC Confirmation Procedure >> Procedure For Malfunction B
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Procedure For Malfunction B

With CONSULT-II 

  1. Turn ignition switch OFF.
  2. Disconnect radiator coolant temperature sensor harness connector.
  3. Connect 2.2 kΩ resistor to the radiator coolant temperature sensor harness connector.
  4. Turn ignition switch ON.
  5. Select "DATA MONITOR" mode with CONSULT-II.
  6. Start engine and let it idle for at least 5 seconds.
  7. If DTC is detected, go to DIAGNOSTIC PROCEDURE  .

With GST 

Follow the procedure With CONSULT-II above.