1989-Montero · heaters AC · страница 3 из 16 · Открыть оригинал PDF ↗
HEATER CIRCWT
CIRCUIT DIAGRAM c2.6L Engine>
OPERATION
TROUBLESHOOTING HINTS
l When the ignition switch is at “ON”, current Blower motor turns only at high speed.
flows through fuse No. 3, heater relay (coil), l Check resistor.
and ground, causing the heater relay contacts
to close.
l Then when the blower switch is set at any of
“L”, “M,“, I, MY, or “H”, current flows through
fuse No. 6, heater relay (contacts), blower
switch, resistor, blower motor, and ground,
causing the blower motor to rotate.
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