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Home >> Nissan-Datsun >> 2009 >> Sentra Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0643 To P2A00 (MR20DE-CALIFORNIA) >> DTC P1217 Engine Over Temperature >> System Description >> Component Description

Component Description

Cooling Fan Motor

The cooling fan operates at each speed when the current flows in the cooling fan motor as follows.

COOLING FAN RELAY REFERENCE

Cooling fan speed Cooling fan motor terminals
(+) (-)
Middle (MID) 1 3 and 4
2 3 and 4
1 and 2 3
1 and 2 4
High (HI) 1 and 2 3 and 4

The cooling fan operates at low (LOW) speed when cooling fan motors-1 and -2 are circuited in series under middle speed condition.