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Home >> Nissan-Datsun >> 2002 >> Sentra SE-R Spec V >> Repair and Diagnosis >> External Pages >> Different car >> Section 394 (Engine Control System) >> DTC P1480: Cooling Fan Speed Control Solenoid Valve >> DTC Confirmation Procedure >> Procedure For Malfunction A >> With GST

With GST

WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition switch ON.
  2. Set voltmeter probes between ECM terminal 122 (radiator coolant temperature sensor signal) and ground.
  3. Check the voltage should be above 1.23V. If not, cool down the engine.
  4. Start engine and let it idle for at least 5 seconds.
  5. If DTC is detected, go to DIAGNOSTIC PROCEDURE .
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