Honda Ridgeline. Manual - part 425
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Max Cool:
About 1.5 V
Max Hot:
About 4.5 V
21-136
Climate Control
Passenger’s Air Mix Control Motor Test
PASSENGER’S AIR MIX CONTROL MOTOR
NOTE: Before testing, check for HVAC DTCs (see page
21-8).
1. Disconnect the 7P connector from the passenger’s
air mix control motor.
Incorrectly applying power and ground to
the passenger’s air mix control motor will
damage it. Follow the instructions carefully.
2. Connect battery power to the No. 1 terminal of the
passenger’s air mix control motor, and ground the
No. 2 terminal; the passenger’s air mix control
motor should run, and stop at Max Cool. If it
doesn’t, reverse the connections; the passenger’s
air mix control motor should run, and stop at Max
Hot. When the passenger’s air mix control motor
stops running, disconnect battery power
immediately.
3. If the passenger’s air mix control motor did not run
in step 2, remove it, then check the passenger’s air
mix control linkage and door for smooth
movement.
• If the linkage and door move smoothly, replace
the passenger’s air mix control motor (see page
21-137).
• If the linkage or door sticks or binds, repair them
as needed.
• If the passenger’s air mix control motor runs
smoothly, go to step 4.
4. Measure the resistance between the No. 5 and
No. 7 terminals. It should be between 4.2 to 7.8 k
.
5. Reconnect the passenger’s air mix control motor 7P
connector, then turn the ignition switch ON (II).
6. Using the backprobe set, measure the voltage
between the No. 3 and No. 7 terminals.
7. If either the resistance or voltage readings are not
as specified, replace the passenger’s air mix
control motor (see page 21-137).