Mazda CX-9 Grand Touring 2009 Manual page 591

Idling
Idling
(1) Refrigerant pressure switch (middle) is off.
(2) Refrigerant pressure switch (middle) is on.
Dual fan control module
DUAL FAN CONTROL MODULE RESULT REFERENCE
Condition
IG SW ON or idling OFF Less than 96°C {205°F} 0 V (Fan stops.)
Idling
Idling
Idling
Idling
(1) Refrigerant pressure switch (middle) is off.
(2) Refrigerant pressure switch (middle) is on.
5. If all the above parts are normal, replace the fan control module.
2008 Mazda CX-9 Grand Touring
2008 ENGINE Cooling System (MZI-3.7) - Mazda CX-9
(2)
96-106°C {205-223°F}
ON
OFF More than 106°C {223°F}
Inspection
A/C Engine coolant temp.
OFF 96-106°C {205-223°F}
(1)
96-106°C {205-223°F}
ON
(2)
96-106°C {205-223°F}
ON
OFF More than 106°C {223°F}
Approx. 7.7 V
B+
Result
4.11-10.29 V
Approx. 6.6 V
Approx. 7.5 V
B+