check transmission fluid ACURA CSX 2006 Service Manual PDF

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14-226Automatic Transmission
A/T Clutch Pressure Control Solenoid Valve B and C Replacement
A
D
BC
A
6x1.0mm
12 N·m (1.2 kgf·m, 8.7 lbf·ft) F
E
1. Remove the intake air duct (see page 11-348) and the air cleaner assembly (see page 11-345).
2. Disconnect the A/T clutch pressure control solenoid valves B and C connectors.
3. Remove the mounting bolts, the harness clamp brackets (A), and A/T clutch pressure control
solenoid valves B and C.
4. Remove the ATF joint pipes (D), the O-rings (E), and the gasket (F). 5. Clean the mounting surface and the fluid passage
of the transmission housing.
6. Install a new gasket on the transmission housing, and install the ATF joint pipes.
NOTE: Be sure to install a new gasket with the blue
side toward the transmission housing.
7. Install new O-rings over the ATF joint pipes.
8. Install new A/T clutch pressure control solenoid valves B and C, and harness clamp brackets.
9. Check the connectors for rust, dirt, or oil, clean or repair if necessary, then connect it securely.
10. Install the air cleaner assembly (see page 11-345) and the intake air duct (see page 11-348).
Replace.
Replace.
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14-22814-228 Automatic Transmission
2nd Clutch Transmission Fluid
Pressure Switch Replacement
3rd Clutch Transmission Fluid
Pressure Switch Replacement
A
B
A
20 N·m (2.0 kgf·m, 14 lbf·ft) B
B
20 N·m
(2.0 kgf·m, 14 lbf·ft)
A C
1. Remove the intake air duct (see page 11-348) and
the air cleaner assembly (see page 11-345).
2. Remove the harness cover (A) from its bracket (B).
3. Disconnect the 2nd clutch transmission fluid pressure switch connector, and remove the 2nd
clutch transmission fluid pressure switch (A).
4. Install a new 2nd clutch transmission fluid pressure switch with a new sealing washer (B), and tighten
the metal part of the switch, not the plastic part.
5. Check the connector for rust, dirt, or oil, clean or repair if necessary, then connect the connector
securely.
6. Install the harness cover on its bracket.
7. Install the air cleaner assembly (see page 11-345) and the intake air duct (see page 11-348). 1. Do the battery removal procedure (see page 22-69).
2. Remove the intake air duct (see page 11-348) and
the air cleaner assembly (see page 11-345).
3. Remove the battery tray, the battery base, and the resonator.
4. Disconnect the 3rd clutch transmission fluid pressure switch connector (A), then remove the 3rd
clutch transmission fluid pressure switch (B) with
the sealing washer (C).
5. Install a new 3rd clutch transmission fluid pressure switch with a new sealing washer, and tighten the
metal part of the switch, not the plastic part.
6. Check the connector for rust, dirt, or oil, clean or repair if necessary, then connect the connector
securely.
7. Install the battery tray, the battery base, and the resonator.
8. Install the air cleaner assembly (see page 11-345) and the intake air duct (see page 11-348).
9. Do the battery installation procedure (see page 22-69).
Replace.
Replace.
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14-231
ATF Level Check
A
A
B
ATF
NOTE: Keep all foreign particles out of the transmission. 1. Park the vehicle on the level ground.
2. Warm up the engine to normal operating temperature (the radiator fan comes on), and turn
the engine off. Do not allow the engine to warm up
more than two cycles of the cooling fan.
NOTE: Check the ATF level within 60 90 seconds
after turning the engine off. Higher ATF level may
be indicated if the radiator fan comes on twice or
more.
3. Remove the ATF dipstick (yellow loop) (A), and wipe it with a clean cloth.
4. Insert the dipstick into the transmission.
5. Remove the dipstick and check the ATF level. It should be between the upper mark (A) and the
lower mark (B). 6. If the ATF level is below the lower mark, check for
fluid leaks at the transmission, the hoses, and the
line joints. If a problem is found, fix it before f illing
the transmission with ATF.
NOTE: If the vehicle is driven when the ATF level is
below the lower mark, one or more of these
symptoms may occur:  The transmission damage.
 The vehicle may not move in any gear.
 The vehicle may accelerates poorly, and flares when starting off in D, S, and R.
 Vibration when the engine is idling.
7. If the ATF level is above the upper mark, drain the
ATF to proper level (see step 3 on page 14-232).
NOTE: If the vehicle is driven when the ATF level is
above the upper mark, the vehicle may creep
forward while in N, or have problems shifting.
8. If necessary, fill the transmission with ATF through the dipstick hole to bring the fluid level to midway
between the upper mark and the lower mark of the
dipstick. Do not fill the fluid above the upper mark.
Always use genuine Acura ATF-Z1 automatic
transmission fluid (ATF). Using a non-Acura ATF
can affect shift quality.
9. Insert the dipstick back into the transmission with the letters ‘‘ATF’’ pointing toward the front of the
vehicle.
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Automatic Transmission Fluid Capacity:
2.9 L (3.1 US qt) at change
6.5 L (6.9 US qt) at overhaul
14-232 Automatic Transmission
ATF Replacement
A
18 x 1.5 mm
49 N·m
(5.0 kgf·m,
36 lbf·ft)
B
ATF
A
NOTE: Keep all foreign particles out of the transmission. 1. Park the vehicle on the level ground.
2. Warm up the engine to normal operating temperature (the radiator fan comes on), and turn
the engine off.
3. Remove the drain plug (A), and drain the automatic transmission fluid (ATF).
4. Reinstall the drain plug with a new sealing washer (B).
5. Refill the transmission with ATF into the dipstick hole to bring the fluid level between the upper
mark and the lower mark of the dipstick. Always
use Acura ATF-Z1 automatic transmission fluid
(ATF). Using a non-Acura ATF can affect shift
quality.
6. Check that the ATF level is between the upper mark
and the lower mark of the dipstick.
7. Insert the dipstick back into the transmission with the letters ‘‘ATF’’ pointing toward the front of the
vehicle. 8. If the maintenance minder required to replace the
ATF, reset the maintenance minder (see page 3-4),
and this procedure is complete. If the maintenance
minder did not require you to replace the ATF, go
to step 9.
9. Connect the HDS to the DLC (A) located under the driver’s side of the dashboard.
10. Turn the ignition switch to ON (II). Make sure the HDS communicates with the PCM. If it does not, go
to the DLC circuit troubleshooting (see page
11-204).
11. Select BODY ELECTRICAL with the HDS.
12. Select ADJUSTMENT in the GAUGES MENU with the HDS.
13. Select RESET in the MAINTENANCE MINDER MENU with the HDS.
14. Select RESETTING THE ATF with the HDS.
NOTE: If you changed the engine oil at the same
time with the ATF, select RESETTING THE ENGINE
OIL LIFE AND ATF with the HDS instead.
Replace.
08/08/21 14:46:53 61SNR030_140_0234
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16-416-4 Driveline/Axle
Driveshaft Inspection
Driveshaft Removal
F
D B
C
A
E A
B
1. Check the inboard boot (A) and the outboard boot (B) on the driveshaft (C) for cracks, damage, leaking
grease, and loose boot bands (D). If any damage is
found, replace the boot and the boot bands.
2. Check the driveshaft for cracks and damage. If any damage is found, replace the driveshaft.
3. Check the inboard joint (E) and the outboard joint (F) for cracks and damage. If any damage is found,
replace the inboard joint or the outboard joint as an
assembly.
4. Hold the inboard joint and turn the front wheel by hand, then make sure the joint is not excessively
loose. If necessary, replace the inboard joint or the
outboard joint as an assembly. 1. Raise the vehicle on a lift.
2. Remove the front wheels.
3. Pry up the locking tab (A) on the spindle nut (B),
then remove the nut.
4. Drain the transmission fluid, then reinstall the drain plug with a new sealing washer:
 5-speed manual transmission (see page 13-5)
 6-speed manual transmission (see page 13-82)
 Automatic transmission (see page 14-232)
5. Remove the nuts and the bolt, then separate the lower arm using a prybar.
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16-22Driveline/Axle
Driveshaft Installation (cont’d)
B
A
K20Z2 engine model:
22x1.5mm
181 N·m
(18.5 kgf·m, 134 lbf·ft)
K20Z3 engine model:
24x1.5mm
245 N·m
(25.0 kgf·m, 180 lbf·ft)
9. Apply small amount of engine oil to the seating surface of new spindle nut (A).
10. Install the spindle nut, then tighten it. After tightening, use a drift to stake the spindle nut
shoulder (B) against the driveshaft.
11. Clean the mating surfaces of the brake disc and the wheel, then install the front wheels.
12. Turn the front wheel by hand, and make sure there is no interference between the driveshaft and
surrounding parts. 13. Refill the transmission with the recommended
transmission fluid:
 5-speed manual transmission (see page 13-5)
 6-speed manual transmission (see page 13-82)
 Automatic transmission (see page 14-232)
14. Lower the vehicle on the lift.
15. Check the wheel alignment, and adjust it if necessary (see page 18-5).
16. Test-drive the vehicle.
Replace.
Replace.
08/08/21 14:51:45 61SNR030_160_0022
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16-28Driveline/Axle
Intermediate Shaft Installation (cont’d)
A
10x1.25mm
39N·m(4.0kgf·m,29lbf·ft)
B
10x1.25mm
39 N·m
(4.0 kgf·m,
29 lbf·ft)
8x1.25mm
22 N·m
(2.2 kgf·m,
16 lbf·ft)
4. Install the flange bolt (A) and two shoulder bolts (B).
5. Install the heat shield, and tighten and three bolts.
6. Install the right driveshaft (see page 16-20).
7. Refill the transmission with the recommended transmission fluid:
 5-speed manual transmission (see page 13-5)
 6-speed manual transmission (see page 13-82)
 Automatic transmission (see page 14-232)
8. Check the wheel alignment, and adjust it if necessary (see page 18-5).
9. Test-drive the vehicle.
08/08/21 14:51:48 61SNR030_160_0028
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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.
08/08/21 15:00:49 61SNR030_190_0004
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GroundComponent or Circuit Grounded
22-64Ground Distribution
Ground to Components Index
G1 Battery
G2 Engine
G3 Transmission housing
G101 A/T clutch pressure control solenoid valves A, B, C (A/T), CKP sensor, CMP sensor A, CMP sensor B, Data link connector (DLC), ECM/PCM (LG1), ECM/PCM (LG2), ECM/PCM (PG1), ECM/PCM (PG2), ECM/PCM (PGMETCS), EGR valve (K20Z2 engine), Ignition
coils, Immobilizer-keyless control unit, Rocker arm oil control solenoid, Rocker arm oil pressure switch, Transmission range
switch (A/T), VTC oil control solenoid valve
Shielding between the ECM/PCM and Knock sensor (KS) has wire.
Shielding between the ECM/PCM and Secondary HO2S (Sensor 2) has wire.
G201 Right fog light , Right front parking light, Right front side marker light, Right front turn signal light, Right headlight (high/low beams), Right HID unit , Windshield washer motor, Windshield wiper motor
G202 ABS modulator-control unit , VSA modulator-control unit
G301 A/C condenser fan motor, Blower motor relay, ELD, Left fog light , Left front parking light, Left front side marker light, Left front turn signal light, Left headlight (high/low beams), Left HID unit , Radiator fan motor (via fan control relay)
G401 Brake fluid level switch, Clutch interlock switch (M/T), Clutch pedal position switch (M/T), Hood switch, MICU (PG), Power transistor, Washer fluid level switch (G401 connects to G601 via under-dash fuse/relay box)
G402 EPS control unit
G403 Torque sensor
G501 Dash lights brightness controller and odometer select/reset switch, Driver’s door key cylinder switch, Driver’s door lock knob switch, HandsFreeLink control unit , MICU (SG), VSA OFF switch
G502 Data link connector (DLC), Front accessory power socket, Glove box light, Right power mirror defogger, Right side turn signal light
G503 Accessory power socket relays (front and console), Driver’s door lock switch, Gauge control module (tach), Left power mirror defogger, Left side turn signal light, Moonroof control unit/motor, Power mirror switch light, Power mirror switch, Power
window master switch (main switch), Power window master switch, Vanity mirror lights (driver’s and front passenger’s)
G504 Cable reel (steering wheel switches ground), Climate control unit, Front passenger’s door lock knob switch, Front passenger’s door lock switch, Gauge control module (speedo), Gauge control module (tach), Ignition key switch, Navigation unit , TPMS
control unit
G505 Audio unit , Navigation unit
G506 Memory erase signal (MES) connector, SRS unit (2 wires)
G601 A/T gear position console panel light/Park-pin switch (A/T), Console accessory power socket , Fuel pump, MICU (PG), Seat heater relays (driver’s and front passenger’s), Seat heater switches (driver’s and front passenger’s), Seat heaters (driver’s and
front passenger’s), Stereo amplifier (G601 connects to G401 via under-dash fuse/relay box)
Shielding between the left side impact sensor (FIRST) and rear safing sensor has wire.
Shielding between the SRS unit and left side impact sensor (FIRST) has wire.
G602 Driver’s seat belt buckle switch, Front passenger’s seat belt buckle switch, Left rear door lock knob switch, MICU (SG), MICU service check connector, ODS unit, Right rear door lock knob switch, Yaw rate-lateral acceleration sensor
Shielding between the right side impact sensor (FIRST) and right side impact sensor (SECOND) have wires.
Shielding between the SRS unit and right side impact sensor (FIRST) has wire.
G603 Noise condenser Shielding between the rear safing sensor and left side impact sensor (SECOND) has wire.
G701 High mount brake light, Left back-up light, Left inner taillight, Left rear side marker light, Left rear turn signal light, Left taillight/ brake light, License plate lights, Right back-up light, Right inner taillight, Right rear side marker light, Right rear turn signal light,
Right taillight/brake light, Trunk lid release actuator/Trunk lid latch switch
G801 Rear window defogger ( )
1: ’06-07 Touring and Premium models
2: ’07 TYPE S and ’08-09 models
3: ’08-09 models
4: TYPE S and ’08 premium and ’09 models
5: With HID
6: Without navigation system
7: With navigation system
8: ’09 model with navigation system
9: ’06-08 models, and ’09 model without navigation system
10: TYPE S model
4
512 4
5
82 3
7
3
67
9
10
2
08/08/21 14:24:03 61SNR030_220_0066
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