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2009
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Equator RMZ-4
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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Engine Control System (VQ40DE) - (1 Of 5)
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General Description
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Cooling Fan Control: Description
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System Description
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Cooling Fan Relay Operation
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Cooling Fan Relay Operation
The ECM controls cooling fan relays in the IPDM E/R via the CAN communication line.
COOLING FAN RELAY OPERATION CHART
Cooling fan speed
Cooling fan relay
LO
HI
Stop (OFF)
OFF
OFF
Low (LOW)
ON
OFF
High (HI)
ON
ON