POWER TRANSISTOR INSPECTION [FULL-AUTO AIR CONDITIONER]

id0740a1319000

1.  Verify that the continuity between the power transistor terminals is as indicated in the table.

•  If there is any malfunction, replace the power transistor.

•  If the blower motor operation is not nomal even though no malfunction can be verified, inspect the A/C amplifier. (See A/C AMPLIFIER INSPECTION [FULL-AUTO AIR CONDITIONER].)

ar8wzw00000461

Tester lead		Resistance (kilohm)
+	-
A	B	∞
A	C	11.0
A	D	∞
B	A	Continuity detected
B	C	Continuity detected
B	D	1.5
C	A	11.0
C	B	∞
C	D	∞
D	A	Continuity detected
D	B	1.5
D	C	Continuity detected