2006 ACURA CSX Service Repair Manual

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Page 1953 of 2893

ACURA CSX 2006 Service Repair Manual
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21-7321-73
Mode Control Motor Test Mode Control Motor Replacement
MODE CONTROL MOTOR

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21-7321-73
Mode Control Motor Test Mode Control Motor Replacement
MODE CONTROL MOTOR
A
B
A B
NOTE: Before testing, check for HVAC DTCs (see page
21-9).
1. Disconnect the 7P connector from the mode control motor.
Incorrectly applying power and ground to
the mode control motor will damage it.
Follow the instructions carefully.
2. Connect battery power to terminal No. 1 of the mode control motor, and ground terminal No. 2;
the mode control motor should run smoothly, and
stop at Vent. If it doesn’t, reverse the c onnections;
the mode control motor should run smoothly, and
stop at Defrost. When the mode control motor
stops running, disconnect battery power
immediately.
3. If the mode control motor did not run in step 2, remove it, then check the mode control linkage and
doors for smooth movement.
If the linkage and doors move smoothly, replace the mode control motor (see page 21-73).
If the linkage or doors stick or bind, repair them as needed.
If the mode control motor runs smoothly, go to step 4.
4. Use a digital multimeter with an output of 1 mA or less at the 20 k range. With the mode control
motor running as in step 2, check for continuity
between terminals No. 3, 4, 5, and 6 and terminal
No. 7 individually. There should be continuity for a
moment at each terminal as the motor moves past
the switch’s terminal.
5. If there is no continuity for a moment at each terminal, replace the mode control motor (see page
21-73). 1. Remove the glove box (see page 20-104).
2. Remove the wire harness clip (A), the self-tapping
screws, and the passenger’s heater duct (B).
3. Disconnect the 7P connector (A) from the mode control motor (B). Remove the self-tapping screws
and the mode control motor from the heater unit.
4. Install the motor in the reverse order of removal. Make sure the pin on the motor is properly
engaged with the linkage. After installation, make
sure the motor runs smoothly.
08/08/21 14:43:38 61SNR030_210_0074
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Page 1954 of 2893

ACURA CSX 2006 Service Repair Manual
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Recirculate: About 4.0 V
Fresh: About 1.0 V
21-7421-74 Climate Control
Recirculation Cont

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Recirculate: About 4.0 V
Fresh: About 1.0 V
21-7421-74 Climate Control
Recirculation Control Motor Test Recirculation Control Motor
Replacement
RECIRCULATION CONTROL MOTOR
A
B
NOTE: Before testing, check for HVAC DTCs (see page
21-9). 1. Disconnect the 7P connector from the recirculation control motor.
Incorrectly applying power and ground to
the recirculation control motor will damage it.
Follow the instructions carefully.
2. Connect battery power to terminal No. 1 of the recirculation control motor, and ground terminal
No. 2; the recirculation control motor should run,
and stop at Recirculate. If it doesn’t, reverse the
connections; the recirculation control motor should
run, and stop at Fresh. When the recirculation
control motor stops running, disconnect battery
power immediately.
3. If the recirculation control motor did not run in step 2, remove it, then check the recirculation control
linkage and door for smooth movement.
If the linkage and door move smoothly, replace the recirculation control motor (see page 21-74).
If the linkage or door sticks or binds, repair them as needed.
If the recirculation control motor runs smoothly, go to step 4.
4. Measure the resistance between terminals No. 5 and No. 7. It should be between 4.2 to 7.8 k .
5. Reconnect the recirculation control motor 7P connector, then turn the ignition switch to ON (II).
6. Using the backprobe set, measure the voltage between terminals No. 3 and No. 7.
7. If either the resistance or voltage readings are not as specified, replace the recirculation control motor
(see page 21-74). 1. Remove the glove box (see page 20-104) and the
kick panel (see page 20-66).
2. Disconnect the 7P connector (A) from the recirculation control motor (B). Remove the self-
tapping screws and the recirculation control motor
from the blower unit.
3. Install the motor in the reverse order of removal. Make sure the pin on the motor is properly
engaged with the linkage. After installation, make
sure the motor runs smoothly.
08/08/21 14:43:38 61SNR030_210_0075
ProCarManuals.com
DYNOMITE -2009-

Page 1955 of 2893

ACURA CSX 2006 Service Repair Manual
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21-7521-75
Climate Control Unit Removal/
Installation Dust and Pollen Filter Replace

Page 1956 of 2893

ACURA CSX 2006 Service Repair Manual

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21-76 Climate Control
Blower Unit Removal/Installation
A
A A
B
B A
1. Remove the glove box (see page 20-104).
2. Cut the plastic c

Page 1957 of 2893

ACURA CSX 2006 Service Repair Manual
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21-7721-77
Blower Unit Component
Replacement
6x1.0mm
9.8 N·m
(1.0 kgf·m, 7.2 lbf·ft)
B
A C
BA
6. Disconnect the connector (A) from the re

Page 1958 of 2893

Page 1959 of 2893

ACURA CSX 2006 Service Repair Manual

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21-78 Climate Control
Evaporator Core Replacement
A
6x1.0mm
9.8 N·m (1.0 kgf·m, 7.2 lbf·ft)
6x1.0mm
9.8 N·m (1.0 kgf·m, 7.2 l

Page 1960 of 2893

ACURA CSX 2006 Service Repair Manual

21-79
BA
94 mm
(3.70 in.) 229.5 mm
(9.04 in.)
A
B
7. Carefully pull out the evaporator core (A) withoutbending the lines, then remove the plate (B).
8. Remove the clips (A) and the evaporato

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