sensor ACURA CSX 2006 Service Repair Manual



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Passenger’s Seat
20-12020-120 Seats
Front Seat Removal/Installation
(cont’d)
Front Seat Frame Replacement
Fastener Locations
:Bolt,4
10x1.25mm
34 N·m
(3.5 kgf·m, 25 lbf·ft) A
A
B
C
Fastener Locations
:Clip,4
A
9. With the help of an assistant, carefully remove thefront seat through the front door opening.
10. Install the seat in the reverse order of removal, and note these items:
 Apply medium strength liquid thread lock to the seat mounting bolts before reinstallation.
 Tighten the seat mounting bolts to the specified torque in the sequence shown. Slide the seat (A)
all the way back and tighten and , then slide
it forward and tighten and . The driver’s seat
is shown; the passenger’s seat is similar.
 Tighten the bolts by hand first, then tighten them to specification with a torque wrench.
 Make sure each connector is plugged in properly.
 Check for any DTCs that may have been set during repairs, and clear them.
 Do the battery terminal reconnection procedure (see page 22-68). Calibrate the ODS unit after any of these actions
(see page 24-27):
 Front passenger’s seat replacement (including any seat components)
 Replacement of the front seat weight sensors
 After a vehicle collision
NOTE:  Put on gloves to protect your hands.
 Apply oil to the pivot portions of the slide locks.
 Apply multipurpose grease to the sliding portions of the seat tracks.
 If the side airbag has deployed, replace the seat frame and related pieces with new ones (see page
24-185).
1. Remove the front seat (see page 20-118).
2. Remove these items:  Front seat-back cover (see page 20-123)
 Front seat cushion cover (see page 20-127)
 ODS unit (see page 24-209)
 Front seat belt buckle (see page 24-6)
3. Remove the clips, then remove the recline inner covers (A) and module holder (B) from the seat
frame (C).
08/08/21 15:03:55 61SNR030_200_0122
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DYNOMITE -2009-



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Passenger’s Seat
20-12020-120 Seats
Front Seat Removal/Installation
(cont’d)
Front Seat Frame Replacement
Fastener Locations
:Bolt,4
10x1.25mm
34 N·m
(3.5 kgf·m, 25 lbf·ft) A
A
B
C
Fastener Locations
:Clip,4
A
9. With the help of an assistant, carefully remove thefront seat through the front door opening.
10. Install the seat in the reverse order of removal, and note these items:
 Apply medium strength liquid thread lock to the seat mounting bolts before reinstallation.
 Tighten the seat mounting bolts to the specified torque in the sequence shown. Slide the seat (A)
all the way back and tighten and , then slide
it forward and tighten and . The driver’s seat
is shown; the passenger’s seat is similar.
 Tighten the bolts by hand first, then tighten them to specification with a torque wrench.
 Make sure each connector is plugged in properly.
 Check for any DTCs that may have been set during repairs, and clear them.
 Do the battery terminal reconnection procedure (see page 22-68). Calibrate the ODS unit after any of these actions
(see page 24-27):
 Front passenger’s seat replacement (including any seat components)
 Replacement of the front seat weight sensors
 After a vehicle collision
NOTE:  Put on gloves to protect your hands.
 Apply oil to the pivot portions of the slide locks.
 Apply multipurpose grease to the sliding portions of the seat tracks.
 If the side airbag has deployed, replace the seat frame and related pieces with new ones (see page
24-185).
1. Remove the front seat (see page 20-118).
2. Remove these items:  Front seat-back cover (see page 20-123)
 Front seat cushion cover (see page 20-127)
 ODS unit (see page 24-209)
 Front seat belt buckle (see page 24-6)
3. Remove the clips, then remove the recline inner covers (A) and module holder (B) from the seat
frame (C).
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20-121
Fastener Locations
6x1.0mm
9.8 N·m
(1.0 kgf·m,
7.2 lbf·ft)
:Bolt,4
AB
C A
B
C A
(Black)
B
(White)
4. Remove the bolts, and release the seat cushion springs (A) from the hooks (B), then remove the
seat cushion frame (C).
5. Remove the front seat weight sensors (see page 24-207). 6. If necessary, remove the bushing (A, B) from the
seat cushion frame (C).
7. Install the new seat frame in the reverse order of removal, and note these items:
 Make sure the ODS unit connector is plugged in properly.
 If the clips are damaged or stress-whitened, replace them with new ones.
 Push the clips into place securely.
 Make sure the seat wiring harnesses are routed properly and are not pinched.
 Calibrate the ODS unit, if necessary (see page 24-27).
08/08/21 15:03:55 61SNR030_200_0123
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Driver’s Seat
20-122 Seats
Front Seat Frame Replacement (cont’d)
A
B
C
D
Fastener Locations
:Clip,3
A
E
Check the operation of the driver’s seat position sensor
after any of these actions (see page 24-29):
 Driver’s seat position sensor replacement
 Cover plate (front side of driver’s seat slide rail) replacement
NOTE:  Put on gloves to protect your hands.
 Apply oil to the pivot portions of the slide lock.
 Apply multipurpose grease to the sliding portions and pivot portions of the seat tracks.
 If the side airbag has deployed, replace the seat frame and related pieces with new ones (see page
24-185).
1. Remove the front seat (see page 20-118).
2. Remove these items:  Front seat-back cover/pad (see page 20-123)
 Front seat cushion cover/pad (see page 20-127)
 Driver’s seat position sensor (see page 24-211)
 Front seat belt buckle (see page 24-6) 3. Remove the clips, then remove the recline inner
covers (A), the outer upper rail cover (B), the inner
upper rail cover (C) and the module holder (D) from
the seat frame (E).
4. Install the new seat frame in the reverse order of removal, and note these items:
 Make sure the driver’s seat position sensor connector is plugged in properly.
 If the clips are damaged or stress-whitened, replace them with new ones.
 Push the clips into place securely.
 Make sure the seat wiring harnesses are routed properly and not pinched.
08/08/21 15:03:56 61SNR030_200_0124
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S

pecial Tools Required
Passenger’s seat
Driver’s seat
20-123
Front Seat-back Cover Replacement
A
DC
C
C
F
H I
J D
E
A
B
D
E
C
C
C
F
D
G H I
J E
H
KTC trim tool set SOJATP2014
SRS components are located in this area. Review the
S
RS component locations (see page 24-11) and the
precautions and procedures (see page 24-13) before
doing repairs or service.
 Check the operation of the driver’s seat position sensor after any of these actions (see page 24-29):
– Driver’s seat position sensor replacement
– Cover plate (front side of driver’s seat slide rail) replacement
 Calibrate the ODS unit after any of these actions (see page 24-27):
– Front passenger’s seat replacement (including any seat components)
– Replacement of the front seat weight sensors
– After a vehicle collision
NOTE:  Use the appropriate tool from the KTC trim tool set to avoid damage when removing components.
 Take care not to tear or damage the seat covers.
 On the passenger’s seat, do not touch the OPDS sensor in the seat-back pad, and keep it away from oil.
Oil can corrode the sensor caution it to fail.
 Put on gloves to protect your hands.
1. Remove the front seat (see page 20-118).
2. Remove the head restraint. 3

. From under the seat cushion, detach the side
airbag connector clip (A). On the driver’s seat,
disconnect the seat-back heater connector (B).
4. Release the hooks (C) from the seat cushion frame spring (D). Remove the wire ties (E), and pull the
side airbag harness (F) and the seat-back heater
harness (G) (driver’s seat) out through the slits (H)
in the seat cushion cover (I). Turn over the seat
cushion cover, and release the hooks (J).
(cont’d)
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’06-07 models
’08-09 model
20-125
A
B C
B
A B
C
E F
G
H
D A
A
10. Turn over the reinforcing cloth (A), then release the hooks (B) from the side airbag module holder (C).
Passenger’s seat is shown; driver’s seat is similar.
11. Passenger’s seat: Disconnect the OPDS sensor connectors (A) and the ODS unit subharness
connector (B) from the ODS unit (C), and pull them
in through the hole in the seat frame. Pull the ODS
unit subharness (D) out through the harness hole
(E) in the seat-back cover (F). Detach the harness
clips (G), and remove the wire tie (H). 12. Pinch the tabs on the ends of the head restraint
guides (A), and remove them from the seat-back.
(cont’d)
08/08/21 15:03:58 61SNR030_200_0127
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S

pecial Tools Required
20-127
Front Seat Cushion Cover Replacement
Fastener Locations
AB
C
:Screw,2
BFas

tener Locations
:Screw,1
C:Clip,1
AB
B
A
Passenger’s seat
Driver’s seat C
KTC trim tool set SOJATP2014
SRS components are located in this area. Review the
S
RS component locations (see page 24-11) and the
precautions and procedures (see page 24-13) before
doing repairs or service.
 Check the operation of the driver’s seat position sensor after any of these actions (see page 24-29):
– Driver’s seat position sensor replacement
– Cover plate (front side of driver’s seat slide rail) replacement
 Calibrate the ODS unit after any of these actions (see page 24-27):
– Front passenger’s seat replacement (including any seat components)
– Replacement of the front seat weight sensors
– After a vehicle collision
NOTE:  Use the appropriate tool from the KTC trim tool set to avoid damage when removing components.
 Take care not to tear or damage the seat covers.
 Put on gloves to protect your hands.
1. Remove the front seat (see page 20-118).
2. Remove the front seat belt buckle (see page 24-6).
3. Pull back the cap (A) to release the hooks (B), and remove the screws, then remove the height
adjuster handle (C). 4.

Remove the recline cover (A).
–1 Remove the recline knob (B) and the screw.
–2 Gently pull out the cover, then detach the clip, and release the hooks (C).
(cont’d)
08/08/21 15:03:59 61SNR030_200_0129
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HVAC (Heating, Ventilation, andAir Conditioning)
Climate Control
HVAC (Heating, Ventilation, and Air Conditioning)
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Special Tools . 21-2
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Component Location Index . 21-3
A/C Service
Tips and Precautions . 21-6
A/C System Inspection . 21-6
A/C Refrigerant Oil Replacement . 21-7
A/C Line Replacement . 21-8
General Troubleshooting Information . 21-9
DTC Troubleshooting Index . 21-15
Symptom Troubleshooting Index . 21-16
System Description . 21-19
Circuit Diagram . 21-26
DTC Troubleshooting . 21-28
Climate Control Power and Ground Circuit
Troubleshooting . 21-53
Navigation Communication Line Circuit
Troubleshooting . 21-54
Radiator and A/C Condenser Fan Low Speed Circuit
Troubleshooting . 21-56
A/C Condenser Fan High Speed Circuit Troubleshooting . 21-60
A/C Compressor Clutch Circuit Troubleshooting . 21-62
A/C Signal Circuit Troubleshooting . 21-64
In-car Temperature Sensor Test . 21-67
In-car Temperature Sensor Replacement . 21-67
Outside Air Temperature Sensor Test . 21-68
Outside Air Temperature Sensor Replacement . 21-68
Sunlight Sensor Test . 21-69
Sunlight Sensor Replacement . 21-69
Evaporator Temperature Sensor Test . 21-70 ............
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Power Transistor Test . 21-71
Air Mix Control Motor Test . 21-72
Air Mix Control Motor
Replacement . 21-72
Mode Control Motor Test . 21-73
Mode Control Motor Replacement . 21-73
Recirculation Control Motor Test . 21-74
Recirculation Control Motor Replacement . 21-74
Climate Control Unit Removal/Installation . 21-75
Dust and Pollen Filter Replacement . 21-75
Blower Unit Removal/Installation . 21-76
Blower Unit Component Replacement . 21-77
Evaporator Core Replacement . 21-78
Expansion Valve Replacement . 21-80
Heater Unit/Core Replacement . 21-81
A/C Compressor Replacement . 21-83
A/C Compressor Clutch Check . 21-85
A/C Compressor Clutch Overhaul . 21-86
A/C Compressor Thermal Protector
Replacement . 21-87
A/C Compressor Relief Valve Replacement . 21-87
A/C Condenser Replacement . 21-88
Receiver/Dryer Desiccant Replacement . 21-89
Refrigerant Recovery . 21-90
System Evacuation . 21-91
System Charging . 21-92
Refrigerant Leak Check . 21-93
A/C System Noise Check . 21-97
A/C System Test . 21-99
08/08/21 14:40:45 61SNR030_210_0002
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21-4Climate Control
Component Location Index (cont’d)
A/C PRESSURE SENSOR
RADIATOR FAN
A/C CONDENSER FAN A/C CONDENSER FAN RELAY
BLOWER MOTOR RELAY
RADIATOR FAN RELAY
A/C COMPRESSOR CLUTCH RELAY
FAN CONTROL RELAY
UNDER-HOOD FUSE/RELAY BOX
A/C DIODE B A/C DIODE A
ECM/PCM
OUTSIDE AIR TEMPERATURE SENSOR
Test, page 22-70
Test, page 22-70
Test, page 22-70
Test, page 22-70
Test, page 22-70
Test, page 21-68
Replacement, page 21-68
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21-5
EVAPORATOR CORE
(Located in the heater unit)
EVAPORATOR TEMPERATURE
SENSOR HEATER UNIT/CORE
RECIRCULATION
CONTROL MOTOR
POWER TRANSISTOR
AIR MIX CONTROL MOTOR DUST AND POLLEN FILTER
CLIMATE CONTROL UNIT
SUNLIGHT SENSOR
IN-CAR TEMPERATURE SENSOR MODE CONTROL MOTORBLOWER UNIT
EXPANSION VALVE
Replacement, page 21-78
Test, page 21-70 Replacement, page 21-81
Test, page 21-74
Replacement,page 21-74
Test, page 21-71
Test, page 21-72
Replacement, page 21-72 Replacement,
page 21-75
Removal/Installation, page 21-75
Test, page 21-69
Replacement, page 21-69
Test, page 21-67
Replacement, page 21-67 Test, page 21-73
Replacement, page 21-73Removal/Installation,
page 21-76
Component Replacement, page 21-77
Replacement, page 21-80
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