Electric Fan Inspection; Water Thermo Switch - Mazda 626 MX-6 Workshop Manual

3 ELECTRIC FAN
,No.1 Water /
thermo switch
3—12
Inspection
1 . Connect an ammeter and battery to the fan motor
connectors.
2. Check that the fan motor operates smoothly at the
specified current or less.
Current
Turbo
Non-Turbo
86U03X-023
3. Replace the fan motor if necessary.

WATER THERMO SWITCH

1. Remove the electric fan water thermo switch.
No.2 Water
switch
Note
Make sure that the ignition switch is OFF. If
not, the fan will operate when the connector
is removed.
86U03X-030
2. Place the water thermo switch in water.
3. Heat the water gradually, and check for continui­
ty of the switch with an ohmmeter. Replace if
necessary.
No.1 water thermo switch:
over 97°C (177°F) ON -> OFF
No.2 water thermo switch:
over 108°C (226°F) OFF -< ■ ON
4. Install the water thermo switch and a new O-ring.
Caution
Do not use sealing tape.
626, MX-6 Revised 10/87
■ i n
MTX 5.6—7.6
ATX
10.6—16.6
MTX
ATX
(A)