engine ACURA CSX 2006 Service Repair Manual

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YES
NO YES
NO
YES
NO
11-397
A
07JAZ-001000B A B
15. Connect the vacuum pump/gauge, 0 30 in.Hg, to
the vacuum hose (A) as shown.
16. Start the engine, and let it idle. Go to step 17.
Check for a blockage at the EVAP purge line
between the throttle body and the EVAP canister
purge valve, then go to step 25.
17. Turn the ignition switch to LOCK (0).
18. Remove the FTP sensor with its connector connected (see page 11- 408).
19. Connect a T-fitting (A) between the vacuum pump/ gauge, 0 30 in.Hg and connect the vacuum pump
and the FTP sensor (B) as shown. 20. Turn the ignition switch to ON (II).
21. Check and record the FTP SENSOR reading in the
DATA LIST with the HDS.
22. Slowly apply about 1.3 kPa (10 mmHg, 0.4 in.Hg) of vacuum to the hose.
23. ChecktheFTPSENSORintheDATALISTwiththe HDS.
Check for debris or blockage at the EVAP
canister port, then go to step 25.
Go to step 24.
24. Replace the FTP sensor (see page 11-408).
25. Reconnect all hoses.
26. Turn the ignition switch to ON (II).
27. Reset the ECM with the HDS.
28. Do the ECM idle learn procedure (see page 11-310).
29. Do the EVAP FUNCTION TEST in the INSPECTION MENU with the HDS.
Troubleshooting is complete.
Check for poor connections or loose terminals
at the FTP sensor and the ECM, then go to step 1.
Is ther e v acuum? Does t he v al ue change?
Is the result OK ?
08/08/21 14:33:23 61SNR030_110_0397
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DTC P1454:
DTC P2422:
YES
NO
YES
NO YES
NO
11-402EVAP System
DTC Troubleshooting (cont’d)
A
FTP Sensor Range/Performance
Problem
EVAP Canister Vent Shut Valve
Stuck Closed Malfunction
NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot, and review the general
troubleshooting information (see page 11-3).
1. Turn the ignition switch to ON (II).
2. Clear the DTC with the HDS.
3. Turn the ignition switch to LOCK (0).
4. Remove the fuel fill cap, and wait 1 minute.
5. ChecktheFTPSENSORintheDATALISTwiththe HDS.
Go to step 6.
Go to step 17.
6. Install the fuel fill cap.
7. Clear the DTC with the HDS.
8. Start the engine, and let it idle without load (A/T in P or N, M/T in neutral) until the radiator fan comes
on.
9. Monitor the OBD STATUS for DTC P1454 in the DTCs MENU with the HDS.
Go to step 10.
If the screen indicates PASSED, intermittent
failure, the system is OK at this time. Check for
poor connections or loose terminals at the FTP
sensor, the EVAP canister vent shut valve, and the
ECM/PCM. Also check for a blockage in the vent
hoses and the drain joint. If the screen indicates
NOT COMPLETED, keep idling until a result comes
on. 10. Clear the DTC with the HDS.
11. Turn the ignition switch to LOCK (0).
12. Remove the EVAP canister vent shut valve from the
EVAP canister (see page 11-409).
13. Connect the 2P connector to the EVAP canister vent shut valve.
14. Turn the ignition switch to ON (II).
15. Select EVAP CVS ON in the INSPECTION MENU with the HDS.
16. Check the EVAP canister vent shut valve (A) operation.
Check for a blockage in the EVAP canister,
the vent hoses, and the drain joint, then install the
EVAP canister vent shut valve, and go to step 23.
Replace the EVAP canister vent shut valve
(see page 11-409), then go to step 23.
Is i t bet w een 0.67 and 0.67 k Pa ( 5 and 5 mmH g, 0.2 and 0.2 i n.H g), or 2.4 and 2.6 V ?
Does t he scr een i nd i cat e F AILE D? Does t he v al v e oper at e?
08/08/21 14:33:24 61SNR030_110_0402
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YES
NO YES
NO
YES
NO
11-403
A
B
A
17. Disconnect the air tube (A) from the FTP sensor (B).
18. ChecktheFTPSENSORintheDATALISTwiththeHDS.
Check for a blockage in the FTP sensor air
tube or the vent, then go to step 23.
Go to step 19.
19. Turn the ignition switch to LOCK (0).
20. Remove the FTP sensor (A) from the EVAP canister with its connector connected (see page 11-408). 21. Turn the ignition switch to ON (II).
22. ChecktheFTPSENSORintheDATALISTwiththe
HDS.
Check for debris or clogging at the EVAP
canister and the FTP sensor port, then go to
step 23.
Replace the FTP sensor (see page 11-408),
then go to step 23.
23. Turn the ignition switch to ON (II).
24. Reset the ECM/PCM with the HDS.
25. Do the ECM/PCM idle learn procedure (see page 11-310).
26. Start the engine, and let it idle without load (A/T in P or N, M/T in neutral) until the radiator fan comes
on.
27. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at the FTP sensor, the EVAP canister vent
shut valve, and the ECM/PCM, then go to step 1.
Go to step 28.
(cont’d)
Is i t bet w een 0.67 and 0.67 k Pa ( 5 and5 mmH g, 0.2 and 0.2 i n.H g), or 2.4 and 2.6 V ? Is i t bet w een 0.67 k Pa and 0.67 k Pa ( 5 and
5 mmH g, 0.2 and 0.2 i n.H g), or 2.4 and 2.6 V ?
Is DT C P1454 and/ or P2422 indicated?
08/08/21 14:33:25 61SNR030_110_0403
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Special Tools Required
YES
NO
YES
NO YES
NO
K20Z3 engine
11-405
Fuel Cap Warning Message System Troubleshooting
AB
C A
B
C 07JAZ-001000B
 Vacuum/pressure gauge, 0 4 in.Hg 07JAZ-001000B
 Vacuum pump/gauge, 0 30 in.Hg, Snap-on YA4000A
or equivalent, commercially available
Do this procedure if the fuel cap warning message
comes on frequently, or if the message does not go off
after the fuel fill cap is tightened and the vehicle is
driven several days.
1. Check the fuel fill cap (the cap must say TIGHTEN TO CLICK). It should turn 1/4 after it’s tight, then it
clicks.
Go to step 2.
Replace or tighten the cap, then go to step 13.
2. Check the fuel fill cap seal (A) and the fuel fill pipe mating surface (B). Verify that the fuel fill cap tether
cord (C) is not caught under the cap.
Replace the fuel fill cap or the fuel fill pipe,
then go to step 13.
Go to step 3. 3. Reinstall and tighten the fuel fill cap.
4. Clear the DTC with the HDS.
5. Start the engine. Hold the engine speed at
3,000 rpm without load (in neutral) until the
radiator fan comes on, then let it idle for 1 minute.
6. Test drive at 72 km/h (45 mph) for 1 minute or more.
Go to step 7.
Intermittent failure, the system is OK at this
time.
7. Turn the ignition switch to LOCK (0).
8. Disconnect the vacuum hose (A) from the EVAP canister purge valve (B) in the engine compartment,
and connect a T-fitting (C) between the vacuum
gauge and the vacuum pump/gauge 0 30 in.Hg,
and the EVAP canister purge valve as shown.
(cont’d)
Is the correct f uel f ill cap installed and properlytightened?
Is the f uel f ill cap seal missing or damaged, is thef uel f i l l pi pe d amaged , or i s t he t et her cor d caughtund er the cap? Does f uel cap w ar ni ng message come on?
08/08/21 14:33:26 61SNR030_110_0405
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YES
NO
YES
NO
11-406 EVAP System
Fuel Cap Warning Message System Troubleshooting (cont’d)
9. Turn the ignition switch to ON (II).
10. Apply about 2 kPa (15 mmHg, 0.6 in.Hg) of vacuum to the hose.
11. Select the EVAP PCS ON in the INSPECTION MENU with the HDS.
Check for a blockage at the EVAP canister
purge line between EVAP canister purge valve and
the EVAP canister, then go to step 12.
Replace the EVAP canister purge valve
(see page 11-409), then go to step 12.
12. Reconnect all hoses.
13. Turn the ignition switch to ON (II).
14. Reset the ECM with the HDS.
15. Do the ECM idle learn procedure (see page 11-310).
16. Start the engine. Hold the engine speed at 3,000 rpm without load (in neutral) until the
radiator fan comes on, then let it idle for 1 minute.
17. Test drive at 72 km/h (45 mph) for 1 minute or more.
Go to step 1 and recheck.
Troubleshooting is complete.
Does t he v acuum r el ease i mmed i at el y ?
Does t he f uel cap message come on?
08/08/21 14:33:26 61SNR030_110_0406
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11-40911-409
EVAP Canister Vent Shut Valve
Replacement EVAP Canister Purge Valve
Replacement
A
B
C
AB
C
D
E D
1. Remove the EVAP canister (see page 11-407).
2. Remove the cap (A).
3. Remove the EVAP canister vent shut valve (B).
4. Install the parts in the reverse order of removal
with new O-rings (C) and new cap.
NOTE: Do not coat the O-ring with oil. 1. Remove the engine cover (see step 1 on page 9-3).
2. Remove the air cleaner (see page 11-345).
3. Relieve the fuel pressure (see page 11-322).
4. Remove the fuel line (A).
5. Disconnect the EVAP canister purge valve 2P
connector (B).
6. Remove the bolts (C) and the hoses (D), then remove the EVAP canister purge valve (E).
7. Install the parts in the reverse order of removal.
* : This illustration shows K20Z2 engine.
08/08/21 14:33:28 61SNR030_110_0409
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F Clutch Pedal Height:
Except Type S model: 159.3 mm (6.27 in.)
Type S model: 161.3 mm (6.35 in.)
G Clutch Pedal Stroke: 130 140 mm (5.12 5.51 in.)
12-8Clutch
Clutch Pedal, Clutch Pedal Position Switch, and Clutch Interlock Switch
Adjustment
B
A F
G
A
D E
B
C
NOTE:  For a cruise control problem, check the clutch pedal position switch (see page 4-50).
 For an engine cranking problem, check the clutch interlock switch (see page 4-8).
 The clutch is self-adjusting to compensate for wear.
 If there is no clearance between the master cylinder piston and the pushrod, the release bearing will be
held against the diaphragm spring, which can result
in clutch slippage or other clutch problems.
1. Lift up the carpet (A). At the insulator cutout, measure pedal height from the right side of the
pedal pad (B). 2. Loosen the clutch pedal position switch locknut (A),
and back off the clutch pedal position switch (B)
until it no longer touches the clutch pedal (C).
3. Loosen the clutch pushrod locknut (D), and turn the pushrod (E) in or out to get the specified height (F)
and stroke (G) at the clutch pedal. If adjusting the
pushrod causes the clutch pedal to contact the
clutch pedal position switch, back off the switch
further.
08/08/21 14:42:30 61SNR030_120_0010
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12-9
A
18 N·m
(1.8 kgf·m,
13 lbf·ft) C
9.8 N·m
(1.0 kgf·m,
7.2 lbf·ft)
B A
9.8 N·m
(1.0 kgf·m,
7.2 lbf·ft)
B
912mm
(0.35 0.47 in.)
4. Tighten the clutch pushrod locknut (A).
5. With the clutch pedal released, turn in the clutch pedal position switch (B) until it contacts the clutch
pedal.
6. Turn in the clutch pedal position switch an additional 3/4 to 1 turn. Make sure the clutch pedal
height did not change.
7. While holding the clutch pedal position switch, tighten the locknut (C). 8. Loosen the clutch interlock switch locknut (A).
9. Fully press the clutch pedal to the floor, then
release the clutch pedal 9 12 mm (0.35 0.47 in.)
and hold it there.
10. Adjust the position of the clutch interlock switch (B), so the engine starts with the clutch pedal in this
position.
11. While holding the clutch interlock switch, tighten the locknut.
12. Check the clutch operation.
13. Connect the clutch pedal position switch connector and the clutch interlock switch connector, then
check the cruise control and the engine starting.
08/08/21 14:42:30 61SNR030_120_0011
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Special Tools Required
Pressure Plate Inspection and Removal
Standard (New): 0.6 mm (0.02 in.) max.
Service Limit: 0.8 mm (0.03 in.)
Engine Side
12-19
Clutch Replacement
A
07JAF-PM7011A
C
07936-3710100 B
07ZAF-PR8A100 DC
07936-3710100
A
07LAB-PV00100B
07ZAF-PR8A100
D E
A
 Clutch alignment disc 07JAF-PM7011A
 Ring gear holder 07LAB-PV00100
 Clutch alignment shaft 07ZAF-PR8A100
 Bearing remover shaft 07936-KC10500
 Slide hammer 07741-0010201
 Bearing driver attachment, 22 x 24 mm 07746-0010800
 Driver handle, 15 x 135L 07749-0010000
 Remover handle 07936-37101001. Remove the transmission; 5-speed model (see page 13-7), 6-speed model (see page 13-84).
2. Check the evenness of the height of the diaphragm spring fingers using the clutch alignment disc (A),
the clutch alignment shaft (B), the remover handle
(C), and a feeler gauge (D). If the height is more
than the service limit, replace the pressure plate. 3. Install the ring gear holder (A), the clutch alignment
shaft (B), and the remover handle (C).
4. To prevent warping, loosen the pressure plate mounting bolts (D) in a cri sscross pattern in several
steps, then remove the pressure plate (E).
5. Inspect the fingers of the diaphragm spring (A) for wear at the release bearing contact area.
(cont’d)
08/08/21 14:42:50 61SNR030_120_0021
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Crankshaft Pilot Bushing Inspection Crankshaft Pilot Bushing Replacement
12-22Clutch
Clutch Replacement (cont’d)
A
07LAB-PV00100
B
K20Z2enginemodel:
12x1.0mm
103 N·m
(10.5kgf·m,76lbf·ft)
K20Z3enginemodel:
122 N·m
(12.5kgf·m,90lbf·ft) B
07936-KC10500C
07741-0010201
A
C
07746-0010800
B
07749-0010000
2.4 2.6 mm (0.09 0.10 in.)
A
18. Install the flywheel on the crankshaft, and install
the mounting bolts finger-tight.
19. Install the ring gear holder (A), then torque the flywheel mounting bolts (B) in a cri sscross pattern
in several steps.
20. Inspect the crankshaft pilot bushing for wear and damage.
21. Inspect the inside surface of the crankshaft pilot bushing with your finger. If the crankshaft pilot
bushing is not smooth, replace it; then go to step
22. 22. Remove the crankshaft pilot bushing (A) using the
bearing remover shaft (B) and the slide hammer (C).
23. Install a new crankshaft pilot bushing (A) into the crankshaft using the 15 x 135L driver handle (B)
and the 22 x 24 mm bearing driver attachment (C).
08/08/21 14:42:53 61SNR030_120_0024
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