2006 ACURA CSX steering wheel

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Electronic Control System (cont’d)
S Position Automatic Shift Mode and Sequential Sportshift Mode
14-44 Automatic Transmission
System Description (cont’d)
SHIFT INDICATOR
’’M’’ INDICATOR
The S position has two shifting modes; the automatic shift mode and the sequential sportshift mode. In the S position
automatic shift mode, the transmission upshifts and downshifts automatically from 1st through 4th gear, and the
paddle shifters are ready to be activated to switch to the sequential sportshift mode. In the automatic shift mode, the
shift indicator and the M indicator in the gauge control module (tach) do not come on.
When the paddle shifter (upshift switch) or the paddle shifter (downshift switch) is pressed, the automatic shift
mode is canceled and the sequential sportshift mode comes into operation. The shift indicator displays the number of
the selected gear, and the M indicator comes on. In the sequential sportshift mode, the driver can shift up and down
manually from 1st through 5th gear by using the paddle shifters, much like a manual transmission. The paddle shifters
are installed on the back of the steering wheel, and the driver can shift gears by pressing the paddle shifters without
taking either hand off the steering wheel.
In the sequential sportshift mode, the transmission must be shifted up and down by pressing the paddle shifters.
However, the transmission cannot downshift and stays in the current gear if the paddle shifter is pressed while the
vehicle is coasting at a speed that would cause the engine to over-rev by downshifting the transmission, and the shift
indicator blinks the number of the selected gear several times, then returns to the number of the current gear. If the
vehicle speed reaches an appropriate speed while the shift indicator is blinking the number of the selected gear, the
transmission downshifts and the shift indicator displays the selected gear. The transmission also cannot upshift and
stays in the current gear if the paddle shifter is pressed while driving below an appropriate upshifting speed, the
shift indicator blinks the number of the selected gear several times, then returns to the number of the current gear. If
the vehicle speed reaches an appropriate upshift speed while the shift indicator is blinking the number of the selected
gear, the transmission upshifts and the shift indicator displays the selected gear.
This mode has automatic downshifting areas so the vehicle can run smoothly with more power to cope with upcoming
acceleration. When coasting in 5th gear or 4th gear, the transmission downshifts to the next lower gear if the vehicle
slows down to the programmed speed, or by pressing the brake pedal.
When the transmission decelerates to a stop, the transmission shifts to 1st gear automatically. The transmission can
be shifted to 2nd gear by pressing the paddle shifter while the vehicle is stopped, and the vehicle can start off in 2nd
gear.
The sequential sportshift mode is canceled when moving the shift lever to any position other than S.
08/08/21 14:38:23 61SNR030_140_0046
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DYNOMITE -2009-

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14-270A/T Gear Position Indicator
Paddle Shifter + (Upshift Switch) Circuit Troubleshooting
CABLE REEL SUBHARNESS 20P CONNECTOR
GND (LT GRN)
SUPP (GRN/ORN) PADDLE SHIFTER
(UPSHIFT SWITCH) CONNECTOR
GND (BLK)
CABLE REEL 20P CONNECTOR
SRS components are located in this area. Review the
SRS component locations (see page 24-11) and the
precautions and procedures (see page 24-13) before
doing repair or service.
1. Remove the steering wheel (see page 17-6).
2. Check for continuity between cable reel subharness 20P connector terminals No. 7 and No. 16 when
pressing the paddle shifter (upshift switch) and
when the switch is released.
Go to step 5.
Go to step 3.
3. Disconnect the paddle shifter (upshift switch) connector. 4. Check for continuity between the paddle shifter
(upshift switch) connector terminals when pressing
the switch and when the switch is released.
Replace the steering switch harness
(see page 17-7).
Replace the paddle shifter (upshift switch)
(see page 14-276).
5. Remove the cable reel (see page 24-200).
6. Check for continuity between cable reel 20P connector terminal No. 6 and body ground.
Go to step 7.
Repair open in the wire between cable reel
20P connector terminal No. 6 and body ground
(G504), or repair poor body ground (G504).
Wire side of female terminals Terminal side of male terminals
Wire side of female terminals
Is t her e cont i nui t y w hen pr essi ng t he pad d l eshi f t er ( upshi f t sw i t ch) and no cont i nui t y w henthe switch released? Is there continuity when pressing the switch and
no continuity when the switch released?
Is there continuity?
08/08/21 14:49:59 61SNR030_140_0272
ProCarManuals.com
DYNOMITE -2009-

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14-273
Paddle Shifter - (Downshift Switch) Circuit Troubleshooting
GND (LT GRN)
SDNP (BLK/WHT)
CABLE REEL SUBHARNESS 20P CONNECTOR
PADDLE SHIFTER
(DOWNSHIFT SWITCH) CONNECTOR
GND (BLK)
CABLE REEL 20P CONNECTOR
SRS components are located in this area. Review the
SRS component locations (see page 24-11) and the
precautions and procedures (see page 24-13) before
doing repair or service.
1. Remove the steering wheel (see page 17-6).
2. Check for continuity between cable reel subharness 20P connector terminals No. 7 and No. 17 when
pressing the paddle shifter (downshift switch)
and when the switch is released.
Go to step 5.
Go to step 3.
3. Disconnect the paddle shifter (downshift switch) connector. 4. Check for continuity between the paddle shifter
(downshift switch) connector terminals when
pressing the switch and when the switch is
released.
Replace the steering switch harness
(see page 17-7).
Replace the paddle shifter (downshift
switch) (see page 14-277).
5. Remove the cable reel (see page 24-200).
6. Check for continuity between cable reel 20P connector terminal No. 6 and body ground.
Go to step 7.
Repair open in the wire between cable reel
20P connector terminal No. 6 and body ground
(G504), or repair poor body ground (G504).
(cont’d)
Wire side of female terminals Terminal side of male terminals
Wire side of female terminals
Is t her e cont i nui t y w hen pr essi ng t he pad d l e shi f t er ( d ow nshi f t sw i t ch) and no cont i nui t yw hen t he sw i t ch r el eased ? Is there continuity when pressing the switch and
no continuity when the switch released?
Is there continuity?
08/08/21 14:50:00 61SNR030_140_0275
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DYNOMITE -2009-

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14-276A/T Gear Position Indicator
Paddle Shifter + (Upshift Switch) Replacement
A
B C
D
SRS components are located in this area. Review the
SRS component locations (see page 24-11) and the
precautions and procedures (see page 24-13) before
doing repair or service.1. Remove the steering wheel (see page 17-6).
2. Remove the paddle shifter (upshift switch) and the paddle shifter (downshift switch) connectors
from the connector holder, and disconnect the
connectors.
3. Remove the screws (A) securing the paddle shifter (upshift switch) and the paddle shifter
(downshift switch).
4. Remove the screws (B) securing the steering wheel rear cover (C), then remove the steering wheel rear
cover.
5. Remove the paddle shifter (upshift switch) (D) from the rear cover.
6. Install a new paddle shifter (upshift switch) in the steering wheel rear cover.
7. Install the steering wheel rear cover, and secure the rear cover with the screws.
8. Secure the paddle shifter (upshift switch) and the paddle shifter (downshift switch) with the screws. 9. Connect the paddle shifter (upshift switch) and
the paddle shifter (downshift switch) connector,
and install the connectors in the connector holder.
10. Install the steering wheel (see page 17-8).
08/08/21 14:50:02 61SNR030_140_0278
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DYNOMITE -2009-

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14-277
Paddle Shifter - (Downshift Switch) Replacement
A
B C
D
SRS components are located in this area. Review the
SRS component locations (see page 24-11) and the
precautions and procedures (see page 24-13) before
doing repair or service.
1. Remove the steering wheel (see page 17-6).
2. Remove the paddle shifter (upshift switch) and the paddle shifter (downshift switch) connectors
from the connector holder, and disconnect the
connectors.
3. Remove the screws (A) securing the paddle shifter (upshift switch) and the paddle shifter
(downshift switch).
4. Remove the screws (B) securing the steering wheel rear cover (C), then remove the steering wheel rear
cover.
5. Remove the paddle shifter (downshift switch) (D) from the rear cover.
6. Install a new paddle shifter (downshift switch) in the steering wheel rear cover.
7. Install the steering wheel rear cover, and secure the rear cover with the screws. 8. Secure the paddle shifter (upshift switch) and the
paddle shifter (downshift switch) with the screws.
9. Connect the paddle shifter (upshift switch) and the paddle shifter (downshift switch) connector,
and install the connectors in the connector holder.
10. Install the steering wheel (see page 17-8).
08/08/21 14:50:02 61SNR030_140_0279
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Steering
Steering
EPS (Electrical Power Steering) Components
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Special Tools
. 17-2
Component Location Index . 17-3
Steering Wheel Rotational Play Check . 17-4
Power Assist Check . 17-4
Steering Linkage and Gearbox Inspection . 17-5
Steering Wheel Removal . 17-6
Steering Wheel Disassembly/Reassembly . 17-7
Steering Wheel Installation . 17-8
Column Cover Removal and Installation . 17-9
Steering Column Removal and Installation . 17-10
Steering Column Inspection . 17-14
Steering Lock Replacement . 17-14
Rack Guide Adjustment . 17-15
Tie-rod End Ball Joint Boot Replacement . 17-16
Gearbox Mount Cushion Replacement . 17-17
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Component Location Index
. 17-18
General Troubleshooting Information . 17-19
Memorizing the Torque Sensor Neutral Position . 17-22
DTC Troubleshooting Index . 17-23
Symptom Troubleshooting Index . 17-25
System Description . 17-26
Circuit Diagram . 17-30
DTC Troubleshooting . 17-33
Symptom Troubleshooting . 17-60
EPS Motor Removal and Installation . 17-63
Steering Gearbox Removal and Installation . 17-65
Rack End Removal and Installation . 17-79
Rack Guide Removal/Installation . 17-83
EPS Control Unit Removal/Installation . 17-84
08/08/21 14:53:09 61SNR030_170_0002
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17-3
Component Location Index
DRIVER’S AIRBAG
POWER STEERING GEARBOX STEERING COLUMN
STEERING WHEELReplacement,
page 24-188
Rack Guide Adjustment, page 17-15
Tie-rod End Ball Joint Boot Replacement, page 17-16
Gearbox Mount Cushion Replacement, page 17-17
EPS Component, page 17-18 Column Cover Removal and Installation,
page 17-9
Removal and Installation, page 17-10
Inspection, page 17-14
Steering Lock Replacement, page 17-14 Removal, page 17-6
Disassembly/ Reassembly,
page 17-7
Installation, page 17-8
08/08/21 14:53:12 61SNR030_170_0004
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Rotational play: 0 10 mm (0 0.39 in.)
17-417-4 Steering
Steering Wheel Rotational Play
Check
Power Assist Check
1. Turn the front wheels to the straight ahead position.
2. Measure how far you can turn the steering wheel
left and right without moving the front wheels.
 If the play is within the limit, the steering gearbox and steering linkage are OK.
 If the play exceeds the limit, adjust the rack guide (see page 17-15). If the play is still excessive after
rack guide adjustment, inspect the steering
linkage and steering gearbox (see page 17-5). NOTE: This test should be done with original equipment
tires and wheels at the correct tire pressure.
1. Start the engine, and let it idle.
2. Attach a commercially available spring scale to the steering wheel. With the engine idling and the
vehicle on a clean, dry floor, pull the scale as
shown, and read it as soon as the tires begin to turn.
3. Ifthescalereadsnomorethan34N(3.5kgf,7.7lbf), the power assist is OK. If it reads more, check these
items:
 Steering linkage (see page 17-5)
 Rack guide adjustment (see page 17-15)
 EPS system (see page 17-19)
08/08/21 14:53:13 61SNR030_170_0005
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