light ACURA CSX 2006 Service Repair Manual


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18-54 TPMS
Tire Pressure Sensor Location (cont’d)
TPMS tool J-48714
TPMS tool J-48714
5. Turn on the TPMS tool by pressing the green selectbutton. Press the green select button until the
proper light sequence is illuminated as per the tool
user’s manual.
6. Follow the prompts on the HDS to activate the tire pressure sensors using the TPMS tool.
NOTE: See the HDS Help menu for specific
instructions. 7. Check the HDS screen, and note the active sensor
reception order of tire pressure sensor 1, 2, 3, 4.
NOTE: If the sensor does not respond to the TPMS tool, make sure the tool was turned on properly. Refer
to the HDS.
 If the tool start mode is OK, then rotate the tire 1/4 turn and retry.
 If the sensor still does not respond after one full rotation of the tire, then check for DTC 32, 34, 36,
and38withtheHDS.
8. Turn the ignition switch to LOCK (0).
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) Component Inspections:Component Procedure Also check for
Brake pedal sinks/fades when braking
Brake System Test
19-4 Conventional Brake Components
Brake System Inspection and Test
Inspect the brake system components listed. Repair or replace any parts that are leaking or damaged.










Master Cylinder Look for damage or signs of fluid leakage at:
Reservoir tank, subreservoir or master
cylinder body.
Lines, reservoir tank hose and grommets,
and their joints.
Between master cylinder and booster. Bulging seal at reservoir cap. This is a
sign of fluid contamination.
Brake Hoses Look for damage or signs of fluid leakage at: Line joints and banjo bolt connections.
Hoses and lines, also inspect for twisting or
damage. Bulging, twisted, or bent lines.
Caliper Look for damage or signs of fluid leakage at: Piston seal.
Banjo bolt connections.
Bleed screw. Seized or sticking caliper pins.
ABS or VSA
Modulator-control
Unit Look for damage or signs of fluid leakage at:
Line joints.
Modulator-control unit.
1. Set the parking brake, and start the engine, then turn off the A/C. Allow the engine to warm up to normal operating temperature (radiator fan comes on twice).
2. Attach a 50 mm (2 in.) piece of masking tape along the bottom of the steering wheel, and draw a horizontal reference mark across it.
3. With the transmission in neutral (M/T) or P or N (A/T), press and hold the brake pedal lightly (about the same pressure needed to keep an A/T-equipped vehicle from creeping), then release the parking brake.
4. While still holding the brake pedal, hook the end of the tape measure behind the brake pedal, then pull the tape up to the steering wheel. Note the measurement between the brake pedal and the reference mark on the steering
wheel.
5. Apply steady pressure to the brake pedal for 3 minutes.
6. Watch the tape measure.  If the measurement increases 10 mm (0.39 in.) or less, the master cylinder is OK.
 If the measurement increases more than 10 mm (0.39 in.), replace the master cylinder.
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Pedal Height
Standard pedal height (with carpet removed): M/T: 153 mm (6.02 in.)
A/T: 158 mm (6.22 in.) Brake Pedal Position Switch Clearance
19-6Conventional Brake Components
Brake Pedal and Brake Pedal Position Switch Adjustment
A
B
B C
90 ° A
15 N·m
(1.5 kgf·m,
11 lbf·ft)B
Lower
the pedal Raise
the pedal
A
B
0.7 mm (0.028 in.)
1. Turn the brake pedal position switch (A) counterclockwise, and pull it back until it is no
longer touching the brake pedal.
2. Pull back the carpet, and find the cutout in the insulation. Measure the pedal height (B) at the
middle of the left side center of the pedal pad (C) to
the floor without the insulation. 3. Loosen the pushrod locknut (A), and screw the
pushrod (B) in or out with pliers until the standard
pedal height from the floor is reached. After
adjustment, tighten the locknut firmly. Do not
adjust the pedal height with the pushrod pressed.
4. Lift up on the brake pedal by hand. Push in the brake pedal position switch until its plunger is fully
pressed (threaded end (A) touching the pad (B) on
the pedal arm). Turn the switch 45 ° clockwise to
lock it. The gap between the brake pedal position
switch and the pad is automatically adjusted to
0.7mm(0.028in.)bylockingtheswitch.Makesure
the brake lights go off when the pedal is released.
5. Check the brake pedal free play.
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Adjustment
19-8Conventional Brake Components
Parking Brake Inspection and Adjustment (cont’d)
A
A
B
1. Remove the center console panel (see page 20-92).
2. Release the parking brake lever fully.
3. Loosen the parking brake adjusting nut (A).
4. Raise the rear of the vehicle, and support it with safety stands in the proper locations (see page
1-11).
5. Remove the rear wheels. 6. Make sure the lever (A) on the rear brake caliper
contacts the stop pin (B).
NOTE: The lever will only contact the stop pin when
the parking brake adjusting nut is loosened.
7. Clean the mating surfaces between the brake disc and the inside of the wheel, then install the rear
wheels.
8. Pull the parking brake lever 1 click.
9. Tighten the parking brake adjusting nut until the parking brakes drag slightly when the rear wheels
are turned.
10. Release the parking brake lever fully, and check that the parking brakes do not drag when the rear
wheels are turned. Readjust if necessary.
11. Make sure the parking brake lever is within the specified number of clicks (8 to 10 clicks).
12. Install the center console panel (see page 20-92).
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Functional Test
Leak Test
19-26 Conventional Brake Components
Brake Booster Test
A
1. With the ignition switch in LOCK (0), press the
brake pedal several times to deplete the vacuum
reservoir, then press the brake pedal hard, and hold
it for 15 seconds. If the brake pedal sinks, either the
master cylinder is bypassing internally, or the
brake system is leaking. Inspect the brake hoses
and lines (see page 19-37).
2. Start the engine with the brake pedal pressed. If the brake pedal sinks slightly, the vacuum booster is
operating normally. If the brake pedal height does
not vary, do the brake system test (see page 19-4).
1. Press the brake pedal with the engine running, then stop the engine. The brake pedal height should not
vary while pressed for 30 seconds.
 If the pedal height rises, go to step 6.
 If it does not rise, go to step 2.
2. Start the engine and let it idle for 30 seconds. Turn the ignition switch to LOCK (0), and wait
30 seconds. Press the brake pedal s everal times
using normal pressure. When the pedal is first
pressed, it should be low. On consecutive
applications, the pedal height should gradually rise.
Does the pedal rise on each consecutive
application?
 If it rises the booster is OK.
 If it does not rise, go to step 3. 3. Disconnect the brake booster vacuum hose (A) at
the booster. The check valve is built into the hose.
NOTE: If the check valve is faulty, replace the brake
booster vacuum hose/check valve as an assembly.
4. Start the engine, and let it idle. There should be vacuum available.
 If no vacuum is available, the check valve is not working properly. Replace the brake booster
vacuum hose and check valve, and retest.
 Ifthereisvacuum,gotostep5.
5. With the ignition switch in LOCK (0), reconnect the vacuum hose to the brake booster.
6. Start the engine, and then pinch the brake booster vacuum hose between the check valve and the
booster.
7. Turn the ignition switch to LOCK (0), and wait 30 seconds. Press the brake pedal several times
using normal pressure. When the pedal is first
pressed, it should be low. On consecutive
applications, the pedal height should gradually rise.
 If the pedal position does not vary inspect the seal between the master cylinder and booster. If
the seal is OK, replace the brake booster.
 If the pedal position varies, replace the brake booster vacuum hose/check valve as an
assembly.
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EBD Features
19-60ABS Components
System Description (cont’d)
REAR WHEEL
BRAKE PRESSURE
With EBD under HEAVY LOAD
at REAR WHEELS
With EBD under LIGHT LOAD
at REAR WHEELS
Without EBD
FRONT WHEEL BRAKE PRESSURE
The electronic brake distribution (EBD) feature helps control vehicle braking by adjusting the rear brake force in
accordance with the rear wheel load before the ABS operates. Based on the wheel speed sensor signals, the control
unit uses the modulator to control the rear brakes individually. When the rear wheel speed is less than the front wheel
speed, the ABS modulator-control unit retains the current rear brake fluid pressure by closing the inlet valve in the
modulator. As the rear wheel speed increases, and approaches the front wheel speed, the ABS modulator-control unit
increases the rear brake fluid pressure by momentarily opening the inlet valve. This whole process is repeated very
rapidly. While this is happening, kickback may be felt at the brake pedal.
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EBD Features
TCS Features
19-110VSA System Components
System Description (cont’d)
REAR WHEEL
BRAKE PRESSURE
With EBD under HEAVY LOAD
at REAR WHEELS
With EBD under LIGHT LOAD
at REAR WHEELS
Without EBD
FRONT WHEEL BRAKE PRESSURE
ANTI-POWER of BRAKE FORCE
TOTAL TRACTION DRIVING POWER
TOTAL TRACTION
BRAKE FORCE
SLIPPERY ROAD SURFACE
NORMAL ROAD SURFACE
The electronic brake distribution (EBD) feature helps control vehicle braking by adjusting the rear brake force in
accordance with the rear wheel load before the ABS operates. Based on the wheel speed sensor signals, the control
unit uses the modulator to control the rear brakes individually. When the rear wheel speed is less than the front wheel
speed, the VSA modulator-control unit retains the current rear brake fluid pressure by closing the inlet valve in the
modulator. As the rear wheel speed increases, and approaches the front wheel speed, the VSA modulator-control unit
increases the rear brake fluid pressure by momentarily opening the inlet valve. This whole process is repeated very
rapidly. While this is happening, kickback may be felt at the brake pedal.
When a drive wheel loses traction on a slippery road surface and starts to spin, the VSA modulator-control unit applies
brake pressure to the spinning wheel, and sends an engine torque control request to the ECM/PCM to slow the
spinning wheel and keep traction.
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19-168VSA System Components
Steering Angle Sensor Replacement
A
B
C
NOTE: Do not damage or drop the combination switch as the steering angle sensor is sensitive to shock and vibration.
1. With the wheels in the straight-ahead position and the steering wheel centered, remove the steering wheel (see page 17-6).
2. Remove the steering column covers (see page 17-9) and the cable reel (see page 24-200).
3. Remove the combination switch assembly (see step 11 on page 17-11).
4. Remove the combination light switch (A) and the wiper/washer switch (B) from the combination switch body assembly (C).
5. Install the combination switch body assembly in the r everse order of removal.
NOTE:  Do not remove the steering angle sensor from the combination switch body.
 When installing the cable reel, set the turn signal canceling sleeve position so that the arrow points straight up (see page 24-201).
 When installing the combination switch, tighten the m ounting screws to the specified torque and sequence
shown (see page 17-12).
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20-3
Doors
Component Location Index - Front Door
DOOR GLASS OUTER
WEATHERSTRIP
DOOR ROOF OUTER TRIM
DOOR CENTER OUTER TRIM
DOORHINGEDOOR
CHECKER
HINGE
DOOR GLASS
INNER WEATHERSTRIP
SPEAKER
DOOR PANEL
POWER WINDOW
SWITCH
POWER WINDOW SWITCH Passenger’s side
POWER WINDOW
SWITCH PANEL ARMREST
DOOR WEATHERSTRIP
PLASTIC COVER
COURTESY LIGHTCOURTESY LIGHT
SUBHARNESS
POWER WINDOW
SWITCH PANEL
POWER MIRROR
SWITCH
(cont’d)
Replacement, page 20-15
Position Adjustment,page 20-29
Removal/Installation, page 20-7
Replacement, page 20-16
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20-8
Doors
Front Door Panel Removal/Installation (cont’d)
Fastener Locations
A
D
E
F G
A
:Clip,6
B:Clip,1 C
BB B BCB
B
B
A
C
C
A
C
B
A B
C
D
F
EG
F
6. Remove the door panel (A) with as little bending as
possible to avoid creasing or breaking it.
–1 Start at the bottom edge of the door panel, release the clips (B, C) that are just above the
marks (D) on the edge of the panel with a
commercially available trim pad remover.
–2 Detach the upper clips.
–3 Starting at the rear, pull the door panel upward.
NOTE: The inner handle cable (E) and the latch
cable (F) are connected to the inner handle (G).
Do not pull the door panel up too far, or these
cables will be damaged.
7. While holding the door panel (A) away from the door remove the inner handle (B) from the door
panel by releasing the hooks (C). 8. Remove the door panel (A) while pu
lling the inner
handle (B) out through the hole in the door panel,
and disconnect the courtesy light subharness
connector (C).
9. If necessary, disconnect the inner handle cable (A) and the latch cable (B) from the inner handle (C),
then remove the handle.
–1 Detach the inner handle cable fastener (D), then disconnect the inner handle cable from
the cable fastener (E).
–2 Detach the latch cable fastener (F) with a flat- tip screwdriver, then disconnect the latch cable
from the cable fastener (G).
NOTE: If the cable fasteners are damaged or
stress-whitened, replace them with new ones.
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