2006 ACURA CSX Service Repair Manual

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Page 1945 of 2893

ACURA CSX 2006 Service Repair Manual

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21-65
BRN
CLIMATE CONTROL UNIT 32P CONNECTOR BRN
CLIMATE CONTROL UNIT 32P CONNECTOR
7. Reconnect the climate control unit 32P connector.
8. Turn t

Page 1946 of 2893

ACURA CSX 2006 Service Repair Manual
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21-66Climate Control
A/C Signal Circuit Troubleshooting (cont’d)
A/C COMPRESSOR CLUTCH 3P CONNECTOR
GRN/RED RED/BLK
A/C COMPRESSOR CLUTCH 3P CON

Page 1947 of 2893

ACURA CSX 2006 Service Repair Manual
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21-6721-67
In-car Temperature Sensor Test In-car Temperature Sensor Replacement
IN-CA

Page 1948 of 2893

ACURA CSX 2006 Service Repair Manual
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21-6821-68 Climate Control
Outside Air Temperature Sensor
Test
Outside Air Temperatur

Page 1949 of 2893

ACURA CSX 2006 Service Repair Manual ´
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21-6921-69
Sunlight Sensor Test Sunlight Sensor Replacement
REDPUR
A
A
B

Page 1950 of 2893

ACURA CSX 2006 Service Repair Manual

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21-70 Climate Control
Evaporator Temperature Sensor Test
EVAPORATOR TEMPERATURE SENSOR
40
30
20
10
RESISTANCE
(k )
10
5020
6830 °C
86 °F
T

Page 1951 of 2893

ACURA CSX 2006 Service Repair Manual

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21-71
Power Transistor Test
POWER TRANSISTOR (To 12 V Power source on vehicle)JUMPER WIRE
A
1. Remove the passenger’s dashboard undercover

Page 1952 of 2893

ACURA CSX 2006 Service Repair Manual
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Max Cool: About 0.5 V
Max Hot: About 4.5 V
21-7221-72 Climate Control
Air Mix Control Mot

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Max Cool: About 0.5 V
Max Hot: About 4.5 V
21-7221-72 Climate Control
Air Mix Control Motor Test
Air Mix Control Motor Replacement
AIR MIX CONTROL MOTOR
B
A
NOTE: Before testing, check for HVAC DTCs (see page
21-9). 1. Disconnect the 7P connector from the air mix control motor.
Incorrectly applying power and ground to
the air mix control motor will damage it.
Follow the instructions carefully.
2. Connect battery power to terminal No. 1 of the air mix control motor, and ground terminal No. 2; the
air mix control motor should run, and stop at Max
Hot. If it doesn’t, reverse the connections; the air
mix control motor should run, and stop at Max Cool.
When the air mix control motor stops running,
disconnect battery power immediately.
3. If the air mix control motor did not run in step 2, remove it, then check the air mix control linkage
and door for smooth movement.
If the linkage and door move smoothly, replace the air mix control motor (see page 21-72).
If the linkage or door sticks or binds, repair them as needed.
If the air mix 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 air mix 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 air mix control motor
(see page 21-72). 1. Remove the driver’s dashboard undercover
(see page 20-103).
2. Disconnect the 7P connector (A) from the air mix control motor (B). Remove the self-tapping screws
and the air mix control motor from the heater 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 14:43:37 61SNR030_210_0073
ProCarManuals.com
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