Mazda MX-6 1998, Workshop Manual

Page: 938 / 1282

CONTROL SYSTEM
AIRFLOW MODE ACTUATOR REMOVAL/INSTALLATION
1. Disconnect the negative battery cable.
2. Remove in the order indicated in the table.
3. Install in the reverse order of removal.
W 6 U 7 4 0 W 1 1
1
Connector
2 Screw
3 Airflow mode actuator
AIRFLOW MODE ACTUATOR INSPECTION
1. Remove the airflow mode actuator.
2. Connect battery positive voltage to terminal B and
ground to terminal D, and battery positive voltage
to terminal D and ground to terminal B of the
airflow mode actuator.
3. Verify that the airflow mode actuator operates as
shown below.
Connection
Movement
B+ GND
B D
VENT -»DEFROSTER
D B DEFROSTER->VENT
I
G
X
C
A
J H F D B
W6U740WAJ
W 6 U 7 4 0 W 1 2
DEFROSTER
W6U740WAK
4. Check for continuity between the airflow mode
actuator terminals by using an ohmmeter.
BI-LEVEL
HEAT
H EAT/D EF
E
A :
105°
B:
30°
C: 60®
D:
90°
E :120°
0 7 -4 0 -6