Mitsubishi Lancer Evolution-VII Workshop Manual page 447

HEATER AND MANUAL AIR CONDITIONER (See P.B-174,180.)
OPERATION
<Blower motor control>
When the ignition switch is turned "ON", the
D
blower relay is energized. If the blower switch
is turned "ON" (LO, ML, MH, or HI position)
in this condition, the blower is activated through
the circuit via resistor at a speed corresponding
to the blower switch position.
CIRCUIT DIAGRAMS
TROUBLESHOOTING HINTS
<Blower motor control>
1. Blower motor is energized at one switch position
and not energized at another.
D
D
2. Blower motor is energized only when switch
is positioned in HI.
D
Check resistor.
Check blower switch.
Check resistor.
B-179