MTC-78
TROUBLE DIAGNOSIS
Revision: January 2005 2004 Quest
COMPONENT INSPECTION
Front Blower Motor Relay
Check continuity between terminals 6 and 7 and terminals 3 and 5
after supplying 12 volts to terminal 1 and ground to terminal 2 of
relay.
Front Blower Motor
Confirm smooth rotation of the blower motor.
● Ensure that there are no foreign particles inside the blower unit.
● Apply 12 volts to terminal + and ground to terminal - and verify
that the motor operates freely and quietly.
Front Blower Switch
Check continuity between terminals at each switch position.
LJIA0068E
LJIA0081E
WJIA0508E
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