5. Press the fuse block and remove it from the bracket.
6. Set the fuse block out of the way.
Fig. 31: Detaching Fuse Block Tab
Courtesy of MAZDA MOTORS CORP.
7. Remove in the order indicated in the table.
8. Install in the reverse order of removal.
Fig. 32: Front Power Metal Oxide Semiconductor Field Effect Transistor (Power Mos Fet) Removal
Order
Courtesy of MAZDA MOTORS CORP.
FRONT POWER METAL OXIDE SEMICONDUCTOR FIELD EFFECT
TRANSISTOR (POWER MOS FET) INSPECTION
1. Verify that the continuity between the front power MOS FET terminals is as indicated in the table.
z
If there is any malfunction, replace the front power MOS FET.
z
If the blower motor operation is not normal even though no malfunction can be verified, inspect the
front climate control unit.
FRONT POWER MOS FET TERMINALS CONTINUITY CHART
Tester lead
Resistance (kilohm)
+
-
A
B
2.2
2008 Mazda CX-9 Grand Touring
2008 HVAC Control System (HVAC) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:12:35 AM
Page 19
© 2005 Mitchell Repair Information Company, LLC.
