Air Mix Control Motor - Acura 2002 RSX Service Manual

Air Mix Control Motor Test
1 . Disconnect the 5P connector from the air mix
control motor.
Connect batterv Dower to the No.'1 terminal of the
air mix control motor, and ground the No.2
terminal; the air mix control motor should run, and
stop at Max Cool. lf it doesnl, reverse the
connections; the air mix control motor should run,
and stop at Max Hot. lf the air mix control motor
does not run, remove it, then check the air mix
control linkage and door for smooth movement.
. lf the linkage and door move smoothly, replace
the air mix control motor.
. lf the linkage ordoor sticks or binds, repairthem
as needeo,
. lf the air mix control motor runs smoothly, go to
steo 3.
AIR MIX CONTROL MOTOR
Measure the resistance between the No. 4 and
No. 5 terminals. lt should be between 2.1 k to
3 . 9 k Q ,
Reconnect the air mix control motor 5P connector,
then turn the ignition switch ON (ll).
Using the backprobe set, measure the voltage
between the No. 3 and No. 4 terminals.
Max Cool
about 1 V
Max Hot - about 4 V
lf either the resistance or voltage readings are not
as specified, replace the air mix control motor.
1 .
Air Mix Control Motor Replacement
Disconnect the 5P connector (A) from the air mix
control motor {B). Remove the self-tapping screws
and the air mix control motor from the heater unit.
Remove the rod lC) from the arm (D) of the air mix
control motor,
lnstallthe motor in the reverse order of removal.
After installation, make sure the motor runs
smoothiY.
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