dashboard ACURA CSX 2006 Service User Guide




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With the HDS
11-322 Fuel Supply System
Fuel Pressure Relieving
A
A
A
Before disconnecting fuel lines or hoses, relieve
pressure from the system by disabling the fuel pump
and then disconnecting the fuel tube/quick connect
fitting in the engine compartment. 1. Turn the ignition switch to LOCK (0).
2. Connect the HDS to the data link connector (DLC) (A) located under the driver’s side of the dashboard.
3. Turn the ignition switch to ON (II).
4. Make sure the HDS communicates with the ECM/ PCM. If it doesn’t, go to the DLC circuit
troubleshooting (see page 11- 204).
5. Turn the ignition switch to LOCK (0).
6. Remove the fuel fill cap to relieve the pressure in the fuel tank.
7. Turn the ignition switch to ON (II).
8. From the INSPECTION MENU of the HDS, select Fuel Pump OFF, then start the engine, and let it idle
until it stalls.
NOTE: Do not allow the engine to idle above 1,000 rpm or the ECM/PCM will continue to operate the fuel
pump.
 A DTC or a Temporary DTC may be set during this procedure. Check for DTCs, and clear them
as needed (see page 11-4). 9. Turn the ignition switch to LOCK (0).
10. Do the battery terminal disconnection procedure (see page 22-68).
11. Remove the quick-connect fitting cover (A).
12. Check the fuel quick-connect fitting for dirt, and clean it if needed.
13. Place a rag or shop towel over the quick-connect fitting (A).
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Carbon Accumulation Check Throttle Position Learning Check
11-343
Throttle Body Test
A A
NOTE: If the malfunction indicator lamp (MIL) has been
reported on, check for diagnostic trouble code (DTCs).
1. Connect the HDS to the data link connector (DLC) (A) located under the driver’s side of the dashboard.
2. Turn the ignition switch to ON (II).
3. Make sure the HDS communicates with the ECM/ PCM. If it doesn’t, go to the DLC circuit
troubleshooting (see page 11- 204).
4. Start the engine. Hold the engine speed at 3,000 rpm without load (A/T in P or N, M/T in
neutral) until the radiator fan comes on, then let it
idle.
5. Check the REL TP SENSOR in the DATA LIST with the HDS. The reading should be below 2.46 deg. If it
is not, clean the throttle body (see page 11- 344).NOTE: If the malfunction indicator lamp (MIL) has been
reported on, check for diagnostic trouble code (DTCs).
1. Connect the HDS to the data link connector (DLC) (A) located under the driver’s side of the dashboard.
2. Turn the ignition switch to ON (II).
3. Make sure the HDS communicates with the ECM/ PCM. If it doesn’t, go to the DLC circuit
troubleshooting (see page 11-204).
4. Select the INSPECTION MENU with the HDS.
5. Do the TP POSITION CHECK in the ETCS TEST. If needed, clean the throttle body (see page 11-344).
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12-11
Clutch Master Cylinder Replacement
C BA A
B
A
C B
NOTE:
 Use fender covers to avoid damaging painted surfaces.
 Do not spill brake fluid on the vehicle; it may damage the paint or plastic. If brake fluid does contact the
paint or plastic, wash it off immediately with water.
1. Remove the brake fluid from the clutch master cylinder reservoir with a syringe or other suitable
device.
2. Do the battery removal procedure (see page 22-69).
3. Remove the driver’s dashboard undercover (see page 20-103).
4. Remove the air cleaner assembly (see page 11-345).
5. Remove the battery base.
6. Pry out the lock pin (A), and pull the clevis pin (B) out of the clevis. Remove the master cylinder
mounting nuts (C). 7. Remove the cowl cover and the under-cowl panel
(see page 20-163).
8. Remove the clutch line bracket (A).
9. Remove the clutch line from the clamps (B).
10. Remove the clutch master cylinder (A) with the clutch line (B) and the reservoir hose (C).
(cont’d)
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12-13
B
A
6x1.0mm
9.8 N·m
(1.0 kgf·m, 7.2 lbf·ft) B
A B
A
13 N·m
(1.3 kgf·m,
9.4 lbf·ft) A
13 N·m
(1.3 kgf·m,
9.4 lbf·ft)
C
17. Install the clutch master cylinder (A) with a newclutch master cylinder seal (B).
18. Install the clutch line to the clamps (A).
19. Install the clutch line bracket (B).
20. Install the cowl cover and the under-cowl panel (see page 20-163). 21. Install the master cylinder mounting nuts (A).
22. Apply multipurpose grease to the clevis pin (B) and
the mating surface of the clevis and the pedal. Slide
the clevis pin into the clevis, then install a lock pin
(C).
23. Do the clutch hydraulic system bleeding (see page 12-7).
24. Adjust the clutch pedal, the clutch pedal position switch, and the clutch interlock switch (see page
12-8).
25. Install the battery base.
26. Install the air cleaner assembly (see page 11-345).
27. Install the driver’s dashboard undercover (see page 20-103).
28. Do the battery installation procedure (see page 22-69).
29. Check the clutch operation, and check for leaks.
30. Test-drive the vehicle.
Replace.
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How to Check for DTCs with the Honda
Diagnostic System (HDS)Symptom Troubleshooting Versus DTC
Troubleshooting
14-3
General Troubleshooting Information
A
B
A
When the powertrain control module (PCM) senses an
abnormality in the input or output system, the D
indicator (A) in the gauge control module (tach) (B) will
usually blink.
When the Honda diagnostic system (HDS) is connected
to the data link connector (DLC) (A) located under the
driver’s side of the dashboard and the SCS mode is
selected, it will indicate the diagnostic trouble code
(DTC) when the ignition switch is turned to ON (II) and
the appropriate menu is selected. If the D indicator or the malfunction indicator lamp
(MIL) has been reported on, or if a driveability problem
is suspected, follow this procedure:
1. Connect the HDS to the DLC. (See the HDS user’s manual for specific instructions.)
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 A/T system, and observe the DTC in the DTCs MENU on the HDS screen.
4. Record the freeze data and the on-board snapshots for all fuel and emissions DTCs and A/T DTCs.
5. If there is a fuel and emissions DTC, first check the fuel and emissions system as indicated by the DTC.
6. Clear the DTC and data.
7. Drive the vehicle for several minutes under the
same conditions as those indicated by the freeze
data, and then recheck for a DTC. If the A/T DTC
returns, go to the indicated DTC’s troubleshooting.
If the DTC does not return, there was an
intermittent problem within the circuit. Make sure
all pins and terminals in the circuit are tight.
Some symptoms will not trigger DTCs or cause the D
indicator to blink. If the MIL was reported ON or the D
indicator has been blinking, check for DTCs. If the
vehicle has an abnormal symptom, and there are no
DTCs stored, do the symptom troubleshooting. Check
the list of probable cause(s) for the symptom, in the
sequence listed, until you find the problem.
(cont’d)
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How to Check for DTCs with the SCS Mode
(retrieving the flash codes)
14-4Automatic Transmission
General Troubleshooting Information (cont’d)
A
B
AOFF
Short blinks (five)
OFF
ON
ON
5=15
Example: DTC P0717 (15) Short blinks (five)
Example: DTC P0705 (5)
10
Long blink (one)
NOTE: The preferred method is to use the HDS to
retrieve the DTCs.
When the PCM senses an abnormality in the input or
output system, the D indicator (A) in the gauge control
module (tach) (B) will usually blink.
When the D indicator has been reported on, connect the
HDS to the DLC (A) located under the driver’s side of the
dashboard. Turn the ignition switch to ON (II), select
SCS mode, then the D indicator will indicate (flash) the
DTC. If the D indicator and the MIL come on at the same time,
or if a driveability problem is suspected, follow this
procedure:
1. Connect the HDS to the DLC. (See the HDS user’s manual for specific instructions.)
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 SCS mode, then observe the D indicator in the gauge control module (tach). Codes 1 through 9
are indicated by individual short blinks. Codes 10
and above are indicated by a series of long and
short blinks. One long blink equals 10 short blinks.
Add the long and short blinks together to determine
the code.
4. Record all fuel and emissions DTCs and A/T DTCs.
5. If there is a fuel and emissions DTC, first check the fuel and emissions system as indicated by the DTC.
6. Clear the DTC and the data.
7. Drive the vehicle for several minutes under the
same conditions as those indicated by the freeze
data, and then recheck for DTCs. If the A/T DTC
returns, go to the indicated DTC’s troubleshooting.
If the DTC does not return, there was an
intermittent problem within the circuit. Make sure
all pins and terminals in the circuit are tight.
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Clear A/T DTCs Procedure
OBD StatusHow to End a Troubleshooting Session
(required after any troubleshooting)
Failure Reproduction Technique
14-6Automatic Transmission
General Troubleshooting Information (cont’d)
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).
3. Make sure the HDS communicates with the PCM. If it does not, go to the DLC circuit troubleshooting
(see page 11-204).
4. Clear the DTC(s) on the HDS screen.
The OBD status shows the current system status of
each DTC and all of the parameters. This function is
used to see if the technician’s repair was successfully
completed. The results of diagnostic tests for the DTC
are displayed as:  PASSED: The on-board diagnosis is successfully completed.
 FAILED: The on-board diagnosis has finished but failed.
 NOT COMPLETED: The on-board diagnosis was running but is out of the enable conditions of the DTC. NOTE: Reset the PCM with the HDS while the engine is
stopped.
1. Turn the ignition switch to LOCK (0).
2. Turn the ignition switch to ON (II), and wait for 30 seconds.
3. Turn the ignition switch to LOCK (0), and disconnect the HDS from the DLC.
4. Do the PCM idle learn procedure (see page 11-310).
5. Start the engine with the shift lever in P or N, and warm it up to normal operating temperature (the
radiator fan comes on).
6. To verify that the problem is repaired, test-drive the vehicle for several minutes at speeds over 50 km/h
(31 mph) or under the same conditions as those
indicated by the freeze data.
Make sure to follow these points while the vehicle is
raised on a lift for the test-drive.  Disable the VSA by pressing the VSA OFF switch.
 VSA DTC’s may come on when test-driving on a lift. If the VSA DTC(s) come on, clear the DTC(s) with the
HDS.
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14-208Automatic Transmission
Road Test
A
1. Apply the parking brake, and block both rear
wheels.
2. Start the engine, and warm it up to normal operating temperature (the radiator fan comes on).
3. Shift to D while pressing the brake pedal. Press the accelerator pedal, and release it suddenly. The
engine should not stall.
4. Repeat step 3 in all shift lever positions.
5. Connect the HDS to the DLC (A) located under the driver’s side of the dashboard.
6. 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).7. Prepare the HDS to take a HIGH SPEED SNAPSHOT
(refer to the HDS user guide for more details if
needed):
 Select High Speed icon.
 Select these parameters: – Vehicle Speed
– Output Shaft (Countershaft) Speed (rpm)
– Input Shaft (Mainshaft) Speed (rpm)
– Engine Speed
– APP Sensor A (V)
– ATF Temp Sensor (V)
– Battery Voltage
– Shift Control
– Brake Switch
 Set the Trigger Type to Parameter.
 Adjust the Parameter setting to APP Sensor A above 1.2 V.
 Set the recording time to 60 seconds.
 Set the Trigger point to 30 seconds.
8. Find a suitable level road. When you are ready to do the test, press OK on the HDS.
9. Monitor the HDS and accelerate quickly until the APP Sensor A reads 1.3 V. Maintain a steady
throttle until the transmission shifts to 5th gear,
then slow the vehicle and come to a stop.
10. Save the snapshot if the entire event was recorded or increase the recording time setting as necessary
and repeat step 9.
11. Adjust the Parameter setting to 2.4 V. Retest-drive the vehicle. While monitoring the HDS, accelerate
quickly until the APP Sensor A reads 2.5 V.
Maintain a steady throttle until the transmission
shifts to 5th gear (or reasonable speed), then slow
the vehicle and come to a stop.
12. Save the snapshot if the entire event was recorded or increase the recording time setting as necessary
and repeat step 11.
13. Accelerate quickly until the accelerator pedal is to the floor. Maintain a steady pedal until the
transmission shifts to 3rd gear, then slow to a stop,
and save the snapshot.
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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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Special Tools Required
Pressure Fluid PressureStandard Service Limit
14-211
Pressure Test
A
A/T OIL PRESSURE
GAUGE SET
07406-0020401
A/TPRESSUREHOSE,
2,210 mm
07MAJ-PY4011A
(3 required) A/T PRESSURE
HOSE ADAPTER
07MAJ-PY40120
(3 required)
A
 A/T oil pressure gauge set 07406-0020401
 A/T pressure hose, 2,210 mm 07MAJ-PY4011A
 A/T pressure hose adapter 07MAJ-PY40120
NOTE:
 Disable the VSA by pressing the VSA OFF switch (if equipped).
 VSA DTC(s) may come on during the pressure test. If the VSA(s) come on, clear the DTC(s) with the HDS.
1. Make sure the transmission fluid is filled to the proper level (see page 14-231).
2. Raise the vehicle on a lift, or apply the parking brake, block rear wheels, and raise the front of the
vehicle. Make sure it is securely supported.
3. Remove the splash shield.
4. Allow the front wheels to rotate freely.
5. Connect the HDS to the DLC (A) located under the driver’s side of the dashboard.
6. 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). 7. Connect the A/T oil pressure gauge to the line
pressure inspection port (A). Do not allow dust or
other foreign particles to enter the ports while
connecting the gauges.
8. Start the engine, and warm it up to normal operating temperature (the radiator fan comes on).
9. Measure the line pressure at the line pressure inspection port with the shift lever in P or N while
holding the engine speed at 2,000 rpm.
NOTE: Higher pressure may be indicated if
measurements are made in shift lever position
other than P or N.
Line 900 960 kPa (9.2 9.8 kgf/cm ,
130 140 psi) 850 kPa
(8.7 kgf/cm ,
120 psi)
10. Turn the engine off, then disconnect the A/T oil pressure gauge from the line pressure inspection
port.
11. Install the sealing bolt to the line pressure inspection port with a new sealing washer, and
tighten the bolt to 18 N·m (1.8 kgf·m, 13 lbf·ft). Do
not reuse the old sealing washer.
(cont’d)
22
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