CX-9 AWD V6-3.7L (2008)
Radiator Cooling Fan Control Module: Testing and Inspection
FAN CONTROL MODULE INSPECTION [MZI-3.7]
1. Connect the M-MDS to the DLC-2.
2. Start and warm up the engine.
3. Monitor the engine coolant temperature with the M-MDS.
4. Measure the voltage at terminal A of the fan control module connector (2 terminals) as shown in the table.
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If not within the specification, inspect the input signals from the following parts.
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Cylinder Head Temperature (CHT) sensor
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Refrigerant pressure switch (middle)
Single fan control module
Dual fan control module
*1 : Refrigerant pressure switch (middle) is off.
*2 : Refrigerant pressure switch (middle) is on.
