2008 - MX-5 - HVAC

POWER METAL OXIDE SEMICONDUCTOR FIELD EFFECT TRANSISTOR (POWER MOS FET) INSPECTION

1. Verify that the resistance between the terminals of the power MOS FET is as shown in the table.

• If there is any malfunction, replace the power MOS FET.

Tester lead		Resistance (kilohm) (approx. quantity)
+	−
A	B	1,300
A	C	1,300
A	D	2.2
B	A	∞
B	C	0.12
B	D	∞
C	A	∞
C	B	0.12
C	D	∞
D	A	2.2
D	B	190
D	C	1,300