2006 ACURA CSX clutch


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Stall Speed rpm:
Specification: 2,150 rpm
Service Limit: 2,000 2,300 rpm Problem Probable causes
14-210
Automatic Transmission
Stall Speed Test
A
1. Make sure the transmission fluid is filled to the
proper level (see page 14-231).
2. Apply the parking brake, and block all four wheels.
3. Connect the HDS to the DLC (A) located under the driver’s side of the dashboard.
4. Turn the ignition switch to ON (II), and go to the A/T Data List. Make sure the HDS communicates with
the PCM. If it does not, go to the DLC circuit
troubleshooting (see page 11- 204).
5. Make sure the A/C switch is OFF.
6. Start the engine, and warm it up to normal operating temperature (the radiator fan comes on).
7. Shift to D while pressing the brake pedal firmly, then fully press the accelerator pedal for
6 to 8 seconds, and note the engine speed. Do not
move the shift lever or remove your foot off the
brake pedal while raising the engine speed.
8. Allow 2 minutes for cooling, then repeat the test in SandR.
NOTE: Do not test the stall speed for more than 10 seconds at a time.
 The stall speed tests should be used for diagnostic purposes only.
 Stall speed test results should be the same with the shift lever in D, S, and R.
 Do not test the stall speed with the A/T oil pressure gauges installed. 9. If the stall speeds are out of the service limit, the
problems and probable causes are listed in the
table.







Stall speed rpm high
in D, S, and R
ATF pump output
low
Clogged ATF strainer
Regulator valve stuck
Slipping clutch
Stall speed rpm high
in R Slippage of 4th clutch
Stall speed rpm low
in D, S, and R Engine output low
Engine throttle valve
closed
Torque converter
one-way clutch
slipping
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Pressure Fluid Pressure
Standard Service Limit
14-212Automatic Transmission
Pressure Test (cont’d)
B
C
12. Connect the A/T oil pressure gauge to the 1st clutch pressure inspection port (B).
13. Remove the intake air duct (see page 11-348) and the air cleaner assembly (see page 11-345).
14. Remove the harness cover from its bracket, and connect the A/T oil pressure gauge to the 2nd
clutch pressure inspection port (C). Then
temporarily install the air cleaner assembly and the
intake air duct. 15. Start the engine, and shift to S.
16. Shift to 1st gear by pressing the paddle shifter
(downshift switch) if needed, and measure the 1st
clutch pressure at the 1st clutch pressure
inspection port (B) while holding the engine speed
at 2,000 rpm.
17. Upshift to 2nd gear by pressing the paddle shifter (upshift switch), and measure the 2nd clutch
pressure at the 2nd clutch pressure inspection port
(C) while holding the engine speed at 2,000 rpm.
1st clutch
(B)
2nd clutch
(C) 890 970 kPa
(9.1 9.9 kgf/cm ,
130 140 psi)
840 kPa
(8.6 kgf/cm ,
120 psi)
18. Turn the engine off, remove the air cleaner assembly (see page 11-345) and the intake air duct
(see page 11-348), then disconnect the A/T oil
pressure gauge from the 1st and 2nd clutch
pressure inspection ports.
19. Install the sealing bolts to the 1st and 2nd clutch pressure inspection ports with new sealing
washers, and tighten the bolts to 18 N·m (1.8 kgf·m,
13 lbf·ft). Do not reuse the old sealing washers.
20. Install the air cleaner assembly (see page 11-345) and the intake air duct (see page 11-348).
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Pressure Fluid Pressure
Standard
Service Limit
14-213
D
E
F
21. Connect the A/T oil pressure gauge to the 3rdclutch pressure inspection port (D) and the 5th
clutch pressure inspection port (E).
22. Connect the A/T oil pressure gauge to the 4th clutch pressure inspection port (F). 23. Start the engine, and shift to S.
24. Upshift to 3rd gear by pressing the paddle shifter
(upshift switch), and measure the 3rd clutch
pressure at the 3rd clutch pressure inspection port
(D) while holding the engine speed at 2,000 rpm.
25. Upshift to 4th gear, and measure the 4th clutch pressure at the 4th clutch pressure inspection port
(F) while holding the engine speed at 2,000 rpm.
26. Upshift to 5th gear, and measure the 5th clutch pressure at the 5th clutch pressure inspection port
(E) while holding the engine speed at 2,000 rpm.
890 970 kPa
(9.1 9.9 kgf/cm ,
130 140 psi) 840 kPa
(8.6 kgf/cm ,
120 psi)
(cont’d)
3rdclutch(D)
4thclutch(F)
5thclutch(E)22
08/08/21 14:46:43 61SNR030_140_0215
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Pressure Fluid Pressure
Standard Service Limit Problem Probable causes
14-214Automatic Transmission
Pressure Test (cont’d)
27. Bring the engine back to an idle, then apply the
brake pedal to stop the wheels from rotating.
28. Shift to R, then release the brake pedal. Measure the 4th clutch pressure at the 4th clutch pressure
inspection port (F) while holding the engine speed
at 2,000 rpm.
4th clutch
(F) in R 890 970 kPa
(9.1 9.9 kgf/cm ,
130 140 psi) 840 kPa
(8.6 kgf/cm ,
120 psi)
29. Turn the engine off, then disconnect the A/T oil pressure gauge from the 3rd, 4th, and 5th clutch
pressure inspection ports.
30. Install the sealing bolts in the 3rd, 4th, and 5th clutch pressure inspection ports with new sealing
washers, and tighten the bolts to 18 N·m (1.8 kgf·m,
13 lbf·ft). Do not reuse the old sealing washers. 31. If the pressures are out of the service limit, the
problems and probable causes are listed in the
table.


















No or low line
pressure
Torque converter
ATF pump
Regulator valve
Torque converter
check valve
Clogged ATF strainer
No or low 1st clutch
pressure 1st clutch
O-rings
No or low 2nd clutch
pressure 2nd clutch
O-rings
No or low 3rd clutch
pressure 3rd clutch
O-rings
No or low 4th clutch
pressure 4th clutch
O-rings
No or low 5th clutch
pressure 5th clutch
O-rings
No or low 4th clutch
pressure in R Servo valve
4th clutch
O-rings
32. Install the splash shield.
33. Check the ATF level (see page 14-231).
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08/08/21 14:46:43 61SNR030_140_0216
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Standard: 3 10
14-219
A/T Clutch Pressure Control Solenoid Valve A Test
A
A
1. Connect the HDS to the DLC (A) located under the
driver’s side of the dashboard.
2. 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).
3. Select Clutch Pressure Control (Linear) Solenoid Valve A in the Miscellaneous Test Menu with the
HDS.
4. Test A/T clutch pressure control solenoid valve A with the HDS.
 If the valve tests OK, the test is complete. Disconnect the HDS.
 If the valve does not test OK, follow the instructions on the HDS.
 If the valve does not test OK, and the HDS does not determine the cause, go to step 5.
5. Remove the intake air duct (see page 11-348) and the air cleaner assembly (see page 11-345). 6. Disconnect the A/T clutch pressure control solenoid
valve A connector (A).
7. Measure the resistance between A/T clutch pressure control solenoid valve A connector
terminals No. 1 and No. 2.
 If the resistance is within the standard, go to step 8.
 If the resistance is out of standard, replace A/T clutch pressure control solenoid valve A
(see page 14-221).
8. Connect a jumper wire from the negative battery terminal to solenoid valve A connector terminal
No. 2, and connect another jumper wire from the
positive battery terminal to connector terminal
No. 1.
 If a clicking sound is heard, the valve is OK, and the test is complete, go to step 18.
 If no clicking sound is heard, go to step 9.
(cont’d)
08/08/21 14:46:46 61SNR030_140_0221
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14-220Automatic Transmission
A/T Clutch Pressure Control Solenoid Valve A Test (cont’d)
A
C B
6x1.0mm
12 N·m
(1.2 kgf·m, 8.7 lbf·ft)
E
D
9. Remove the mounting bolts and A/T clutch
pressure control solenoid valve A.
10. Remove the ATF pipe (B), the ATF joint pipes (C), the O-rings (D), and the gasket (E).
11. Check the fluid passage of the solenoid valve for contamination. 12. Connect a jumper wire from the negative battery
terminal to A/T clutch pressure control solenoid
valve A connector terminal No. 2, and connect
another jumper wire from the positive battery
terminal to connector terminal No. 1. Make sure
A/T clutch pressure control solenoid valve A moves.
13. Disconnect one of the jumper wires, and check valve movement at the fluid passage in the valve
body mounting surface. If the valve binds or moves
sluggishly, or if the solenoid valve does not operate,
replace A/T clutch pressure control solenoid
valve A.
14. Clean the mounting surfaces and the fluid passages of the A/T clutch pressure control solenoid valve
body and the transmission housing.
15. Install a new gasket on the transmission housing, and install the ATF pipe and the ATF joint pipes.
NOTE: Be sure to install a new gasket with the blue
side toward the transmission housing.
16. Install new O-rings over the ATF joint pipes.
17. Install A/T clutch pressure control solenoid valve A.
18. Check the connectors for rust, dirt, or oil, clean or repair if necessary, then connect the connectors
securely.
19. Install the air cleaner assembly (see page 11-345) and the intake air duct (see page 11-348).
Replace.
Replace.
08/08/21 14:46:46 61SNR030_140_0222
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14-221
A/T Clutch Pressure Control Solenoid Valve A Replacement
A
C B
6x1.0mm
12 N·m
(1.2 kgf·m, 8.7 lbf·ft)
E
D
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 valve A connector.
3. Remove the mounting bolts and A/T clutch pressure control solenoid valve A.
4. Remove the ATF pipe (B), the ATF joint pipes (C), the O-rings (D), and the gasket (E). 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 pipe and 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 a new A/T clutch pressure control solenoid valve A.
9. Check the connector for rust, dirt, or oil, and 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.
08/08/21 14:46:47 61SNR030_140_0223
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Standard: 3 10
14-222
Automatic Transmission
A/T Clutch Pressure Control Solenoid Valve B Test
A
A
1. Connect the HDS to the DLC (A) located under thedriver’s side of the dashboard.
2. 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).
3. Select Clutch Pressure Control (Linear) Solenoid Valve B in the Miscellaneous Test Menu with the
HDS.
4. Test A/T clutch pressure control solenoid valve B with the HDS.
 If the valve tests OK, the test is complete. Disconnect the HDS.
 If the valve does not test OK, follow the instructions on the HDS.
 If the valve does not test OK, and the HDS does not determine the cause, go to step 5.
5. Remove the intake air duct (see page 11-348) and the air cleaner assembly (see page 11-345). 6. Disconnect the A/T clutch pressure control solenoid
valve B connector (A).
7. Measure the resistance between A/T clutch pressure control solenoid valve B connector
terminals No. 1 and No. 2.
 If the resistance is within the standard, go to step 8.
 If the resistance is out of standard, replace A/T clutch pressure control solenoid valve B
(see page 14-226).
8. Connect a jumper wire from the negative battery terminal to solenoid valve B connector terminal
No. 2, and connect another jumper wire from the
positive battery terminal to connector terminal
No. 1.
 If a clicking sound is heard, the valve is OK, and the test is complete, go to step 18.
 If no clicking sound is heard, go to step 9.
08/08/21 14:46:47 61SNR030_140_0224
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