2006 ACURA CSX Service Repair Manual

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Page 729 of 2893

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11-400EVAP System
DTC Troubleshooting (cont’d)
19. Turn the ignition switch to ON (II).
20. Reset the ECM/PCM with the HDS.
21. Do the ECM

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11-400EVAP System
DTC Troubleshooting (cont’d)
19. Turn the ignition switch to ON (II).
20. Reset the ECM/PCM with the HDS.
21. Do the ECM/PCM idle learn procedure (see page
11-310).
22. Select EVAP CVS ON in the INSPECTION MENU with the HDS.
23. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at the EVAP canister vent shut valve and
theECM/PCM,thengotostep1.
Go to step 24.
24. Monitor the OBD STATUS for DTC P0498 in the DTCs MENU with the HDS.
Troubleshooting is complete. If any other
Temporary DTCs or DTCs were indicated in step 23,
go to the indicated DTC’s troubleshooting.
If the screen indicates FAILED, check for poor
connections or loose terminals at the EVAP canister
vent shut valve and the ECM/PCM, then go to step
1. If the screen indicates NOT COMPLETED, go to
step 22. 25. Reconnect all connectors.
26. Update the ECM/PCM if it does not have the latest
software (see page 11-227), or substitute a known-
good ECM/PCM (see page 11-7).
27. Select EVAP CVS ON in the INSPECTION MENU with the HDS.
28. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at the EVAP canister vent shut valve and
the ECM/PCM. If the ECM/PCM was updated,
substitute a known-good ECM/PCM (see page 11-7),
then go to step 27. If the ECM/PCM was substituted,
go to step 1.
Go to step 29.
29. Monitor the OBD STATUS for DTC P0498 in the DTCs MENU with the HDS.
If the ECM/PCM was updated,
troubleshooting is complete. If the ECM/PCM was
substituted, replace the original ECM/PCM
(see page 11-228). If any other Temporary DTCs or
DTCs were indicated in step 28, go to the indicated
DTC’s troubleshooting.
If the screen indicates FAILED, check for poor
connections or loose terminals at the EVAP canister
vent shut valve and the ECM/PCM. If the ECM/PCM
was updated, substitute a known-good ECM/PCM
(see page 11-7), then go to step 27. If the ECM/PCM
was substituted, go to step 1. If the screen indicates
NOT COMPLETED, go to step 27.
Is DT C P0498 ind icated ?
Does t he scr een i nd i cat e PASSE D? Is DT C P0498 ind icated ?
Does t he scr een i nd i cat e PASSE D?
08/08/21 14:33:24 61SNR030_110_0400
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Page 730 of 2893

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DTC P0499:
YES
NO
YES
NO YES
NO
11-401
EVAP Canister Vent Shut Valve
Circuit High Voltage
NOTE: Before you troubleshoot, reco

Page 731 of 2893

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DTC P1454:
DTC P2422:
YES
NO
YES
NO YES
NO
11-402EVAP System
DTC Troubleshooting (cont’d)
A
FTP Sensor Rang

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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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Page 732 of 2893

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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 f

Page 733 of 2893

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DTC P145C:
11-40411-404 EVAP System
DTC Troubleshooting (cont’d)
28. Monitor the OBD STATUS for DTC P1454 in the
DTCs MENU with the

Page 734 of 2893

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Special Tools Required
YES
NO
YES
NO YES
NO
K20Z3 engine
11-405
Fuel Cap Warning Message System Trou

Page 735 of 2893

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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

Page 736 of 2893

ACURA CSX 2006 Service Repair Manual

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11-407
EVAP Canister Replacement
A
22 N·m
(2.2 kgf·m, 16 lbf·ft) A A
B
C
AA
D
9.8 N·m
(1.0 kgf·m,
7.2 lbf·ft)
1. Raise the vehicl

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