2006 ACURA CSX check oil



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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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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.
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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)
08/08/21 15:03:56 61SNR030_200_0125
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DYNOMITE -2009-

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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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DYNOMITE -2009-

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21-621-6 Climate Control
A/C Service Tips and Precautions A/C System Inspection
A
 Compressed air mixed with the R-134a forms a
combustible vapor.
 The vapor can burn or explode causing serious injury.
 Never use compressed air to pressure test R-134a service equipment or vehicle air
conditioning systems.
 Air conditioning refrigerant or lubricant vapor can irritate your eyes, nose, or throat.
 Be careful when connecting service equipment.
 Do not breathe refrigerant or vapor.
The air conditioning system uses HFC- 134a (R-134a)
refrigerant and polyalkyleneglycol (PAG) refrigerant oil,
which are not compatible with CFC-12 (R-12) refrigerant
or mineral oil. Do not use R-12 refrigerant or mineral oil
in this system, and do not attempt to use R-12 servicing
equipment; damage to the air conditioning system or
your servicing equipment will result.
Use only service equipment that is U.L.-listed and is
certified to meet the requirements of SAE J2210 to
remove R-134a from the air conditioning system.
If accidental system discharge occurs, ventilate the
work area before resuming service.
R-134a service equipment or vehicle air c onditioning
systems should not be pressure tested or leak tested
with compressed air.
Additional health and safety information may be
obtained from the refrigerant and lubricant
manufacturers.
 Always disconnect the negative cable from the battery whenever replacing air conditioning parts.
 Keep moisture and dirt out of the system. When disconnecting any lines, plug or cap the fittings
immediately; don’t remove the caps or plugs until
just before you reconnect each line.
 Before connecting any hose or line, apply a few drops of refrigerant oil to the O-ring.
 When tightening or loosening a fitting, use a second wrench to support the matching fitting.
 When discharging the system, use an R-134a refrigerant recovery/recycling/charging station; don’t
release refrigerant into the atmosphere. Before troubleshooting any problem with the air
conditioning system, do the following:
1. With the ignition switch in LOCK (0), inspect the A/C components, the pressure lines, and the hoses for
stains that may indicate a refrigerant or a
compressor oil leak.
2. Check the A/C condenser (A) for material clogging the fins or for damage to the fins:
 Carefully clean any material from the A/C condenser fins with water and detergent. If
deeper cleaning is required, clean the fins with
Honda brite cleaner (P/N 08732-0020B).
 Be sure to dry the A/C condenser completely.
 Refer to the Refrigerant Leak Check (see page 21-93) to confirm leaks if there is visible damage
to the A/C condenser.
Check for stains.
08/08/21 14:40:55 61SNR030_210_0007
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DYNOMITE -2009-

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21-721-7
A/C Refrigerant Oil Replacement
A
B C
3. Inspect the drive belt (see page 4-30).
4. Make sure no material is blocking the air flow to the
A/C condenser.
5. Check the dust and pollen filter. Replace it if it is clogged (see page 21-75).
6. Check for kinks or sharp bends in the A/C lines and hoses, which can greatly reduce system
performance. Replace A/C lines and hoses if they
are kinked or damaged (see page 21-8).
7. Start the engine, turn the air conditioning system on, and allow it to run for a few minutes and reach
stable operation.
 Check that the A/C operates at each position of the blower fan switch (except OFF). If the A/C
does not operate, refer to the symptom
troubleshooting.
 Check that the A/C compressor clutch (A) is engaged. The pressure plate should be rotating
at the same speed as the pulley. If the pressure
plate does not engage, refer to the symptom
troubleshooting.
 Check that the A/C condenser fan (B) and radiator fan (C) operate when the A/C compressor clutch
is engaged. If either fan fails to operate when the
A/C compressor clutch is engaged, refer to the
symptom troubleshooting.
 Check that the engine idle speed is correctly maintained when the A/C is switched on and off
and the A/C compressor clutch is engaged and
disengaged. Recommended PAG oil: SP-10
P/N 38897-P13-A01AH: 120 mL (4 fl·oz)
It is important to have the correct amount of refrigerant
oil in the A/C system to ensure proper lubrication of the
compressor. Too little oil damages the compressor; too
much oil reduces the cooling capacity of the system,
and can produce high vent temperatures.
 To avoid contamination, do not return the oil to the container once dispensed, and never mix it with other
refrigerant oils.
 Immediately after using the oil, reinstall the cap on the container, and seal it to avoid moisture
absorption.
 Do not spill the refrigerant oil on the vehicle; it may damage the paint; if it gets on the paint, wash it off
immediately.
Add the recommended refrigerant oil in the amount
listed if you replace any of the following parts: ........
.............. ............ ........
..............
........
.............. ............ ........
..............
A/C condenser .50 mL (1 2/3 fl·oz)
Evaporator .40 mL (1 1/3 fl·oz)
Line or hose .10 mL (1/3 fl·oz)
Receiver/Dryer .10 mL (1/3 fl·oz)
Leakage repair .25 mL (5/6 fl·oz)
A/C compressor .Since the oil separator is
equipped inside the compressor
for this vehicle, oil drainage is
unnecessary at the time of
compressor replacement.
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DYNOMITE -2009-

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21-721-7
A/C Refrigerant Oil Replacement
A
B C
3. Inspect the drive belt (see page 4-30).
4. Make sure no material is blocking the air flow to the
A/C condenser.
5. Check the dust and pollen filter. Replace it if it is clogged (see page 21-75).
6. Check for kinks or sharp bends in the A/C lines and hoses, which can greatly reduce system
performance. Replace A/C lines and hoses if they
are kinked or damaged (see page 21-8).
7. Start the engine, turn the air conditioning system on, and allow it to run for a few minutes and reach
stable operation.
 Check that the A/C operates at each position of the blower fan switch (except OFF). If the A/C
does not operate, refer to the symptom
troubleshooting.
 Check that the A/C compressor clutch (A) is engaged. The pressure plate should be rotating
at the same speed as the pulley. If the pressure
plate does not engage, refer to the symptom
troubleshooting.
 Check that the A/C condenser fan (B) and radiator fan (C) operate when the A/C compressor clutch
is engaged. If either fan fails to operate when the
A/C compressor clutch is engaged, refer to the
symptom troubleshooting.
 Check that the engine idle speed is correctly maintained when the A/C is switched on and off
and the A/C compressor clutch is engaged and
disengaged. Recommended PAG oil: SP-10
P/N 38897-P13-A01AH: 120 mL (4 fl·oz)
It is important to have the correct amount of refrigerant
oil in the A/C system to ensure proper lubrication of the
compressor. Too little oil damages the compressor; too
much oil reduces the cooling capacity of the system,
and can produce high vent temperatures.
 To avoid contamination, do not return the oil to the container once dispensed, and never mix it with other
refrigerant oils.
 Immediately after using the oil, reinstall the cap on the container, and seal it to avoid moisture
absorption.
 Do not spill the refrigerant oil on the vehicle; it may damage the paint; if it gets on the paint, wash it off
immediately.
Add the recommended refrigerant oil in the amount
listed if you replace any of the following parts: ........
.............. ............ ........
..............
........
.............. ............ ........
..............
A/C condenser .50 mL (1 2/3 fl·oz)
Evaporator .40 mL (1 1/3 fl·oz)
Line or hose .10 mL (1/3 fl·oz)
Receiver/Dryer .10 mL (1/3 fl·oz)
Leakage repair .25 mL (5/6 fl·oz)
A/C compressor .Since the oil separator is
equipped inside the compressor
for this vehicle, oil drainage is
unnecessary at the time of
compressor replacement.
08/08/21 14:40:56 61SNR030_210_0008
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SymptomDiagnostic procedure Also check for
21-17


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– 



 


 



 


 





Blower fan runs slower
than expected in cold
weather (when in
AUTO mode)
NOTE: It is normal for
the blower fan to run
slowly until the coolant
temperature rises
when in AUTO mode
Probable cause: Engine coolant temperature
(ECT) circuit malfunction
Troubleshooting the ECT sensor circuit:
ECT sensor 2 circuit low voltage (see page
11-170)
ECT sensor 2 circuit high voltage (see page
11-172) HVAC DTCs (see page 21-9)
Powertrain DTCs (see page
11-3)
Blower motor operation
The A/C compressor
clutch cycles rapidly on
and off Probable cause: A/C system is very low on
refrigerant, indicating a possible leak
Do the refrigerant leak check (see page 21-93)
and repair any leaks. Replace the receiver/dryer
(see page 21-89), then recharge the system to
specifications (see page 21-92) HVAC DTCs (see page 21-9)
If there is no leak and the
refrigerant level is normal, do
the A/C compressor clutch
circuit troubleshooting
(see page 21-62), and look for
an intermittent problem
Warm air comes out of
the vents, and the high
pressure liquid line is
very hot Probable causes: The A/C system is overcharged
(too much refrigerant), or the condenser is
malfunctioning
Recover A/C refrigerant (see page 21-90), then
check the condenser for restrictions or poor
airflow. Repair as needed. Recharge the system
to specifications (see page 21-92) Incorrect tension or abnormal
wear on the drive belt. Replace
the belt and/or the belt
tensioner as needed
Proper operation of the
condenser/radiator fans. Repair
as needed
Signs of an overheated engine.
Repair as needed
Warm air comes out of
the vents. The suction
line is cool to warm,
and the discharge line
is warm to hot Probable cause: A/C system is low on refrigerant,
indicating a possible leak
Do the refrigerant leak check (see page 21-93)
and repair any leaks. Recharge the system to
specifications (see page 21-92) HVAC DTCs (see page 21-9)
Add refrigerant oil depending
on the part you replaced
(see page 21-7)
Warm air comes out of
the vents. The suction
line is cool to warm,
the discharge line is
warm to hot, and there
is no frost on the
expansion valve Probable cause: Excessive air and/or moisture in
the system, indicating a possible leak
Do the refrigerant leak check (see page 21-93)
and repair any leaks. Replace the receiver/dryer
(see page 21-89), then recharge the system to
specifications (see page 21-92)
HVAC DTCs (see page 21-9)
Check the amount of refrigerant
oil in the system. Adjust the oil
level as needed
Warm air comes out of
the vents. The liquid
line or the condenser
outlet is abnormally
cool, or there is frost or
condensation on the
receiver/dryer Probable cause: A restriction in the high-pressure
side of the system
Recover A/C refrigerant (see page 21-90), then
check the liquid line, the receiver/dryer, and the
condenser for restrictions. Repair as needed.
Recharge the system to specifications (see page
21-92) HVAC DTCs (see page 21-9)
There is heavy frost or
condensation on the
expansion valve, and
frost on the suction line Probable cause: A restriction in the low-pressure
side of the system
Recover A/C refrigerant (see page 21-90), then
check the suction line and the expansion valve
for restrictions. Repair as needed. Recharge the
system to specifications (see page 21-92) HVAC DTCs (see page 21-9)
(cont’d)
08/08/21 14:40:59 61SNR030_210_0018
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