Mazda MX-6 1998, Workshop Manual

Page: 945 / 1282

CONTROL SYSTEM
REFRIGERANT PRESSURE SWITCH INSPECTION
1. Install the manifold gauge set.
2. Disconnect the refrigerant pressure switch
connector.
3. Verify the high- and low-pressure side reading of
manifold gauge.
4. Check for continuity between terminals of the
refrigerant pressure switch.
HI
{30—34,~43C^—480>
CONTINUITY
NO CONTINUITY
0.67— 1.05 {6.8— 10.8,97— 153}
W 6 U 7 4 0 W 1 6
+ ~ Q ( B ~ T | )
W 6 U 7 4 0 W A S
5. If not as specified, replace the refrigerant pressure
switch.
MPa {kgf/cm 2, psl}
W 6 U 7 4 0 W A Q
LO
0.118(1.20,17.1}
-4 ------------------ ►
CONTINUITY
NO CONTINUITY
0.149— 0.167
{1.51— 1.71,21.5—24.3}
MPa {kgf/cm 2, psl}
W 6 U 7 4 0 W A R
FAN SWITCH INSPECTION
W 6 U 7 4 0 W 2 0
1. Remove the heater control unit. (Refer to 07-40
HEATER CONTROL UNIT
REMOVAL/INSTALLATION.)
2. Check for continuity between the fan switch
terminals by using an ohmmeter.
O O : Continuity
Switch
Terminal
position
A B C D E F
0
1 o
2
o -
—
o
3
o —
— c — —
o
4
O—
—
o
1
W 6 U 7 4 0 W A Y
3. If not as specified, replace the fan switch.
W 6 U 7 4 0 W A X
0 7 -4 0 -1 3