2006 ACURA CSX reset

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YES
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NO
YES
NO
11-362EGR System
DTC Troubleshooting (cont’d)
ECM/PCM CONNECTOR B (44P)
EGR VALVE 6P CONNECTOR
SG2 (GRN/BLK)
SG2 (GRN/BLK)
7. Turn the ignition switch to LOCK (0).
8. Jump the SCS line with the HDS.
9. Disconnect ECM/PCM connector B (44P).
10. Check for continuity between EGR valve 6P connector terminal No. 2 and ECM/PCM connector
terminal B33.
Go to step 18.
Repair open in the wire between the ECM/
PCM (B33) and the EGR valve, then go to step 13. 11. Turn the ignition switch to LOCK (0).
12. Replace the EGR valve (see page 11-370).
13. Reconnect all connectors.
14. Turn the ignition switch to ON (II).
15. Reset the ECM/PCM with the HDS.
16. Do the ECM/PCM idle learn procedure (see page
11-310).
17. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at the EGR valve and the ECM/PCM, then
go to step 1.
Troubleshooting is complete. If any other
Temporary DTCs or DTCs are indicated, go to the
indicated DTC’s troubleshooting.
18. Reconnect all connectors.
19. 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).
20. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at the EGR valve and the ECM/PCM. If the
ECM/PCM was updated, substitute a known-good
ECM/PCM (see page 11-7), then recheck. If the
ECM/PCM was substituted, go to step 1.
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 are indicated,
go to the indicated DTC’s troubleshooting.
Wire side of female terminals
Terminal side of female terminals
Is there continuity? Is DT C P0406 ind icated ?
Is DT C P0406 ind icated ?
08/08/21 14:32:24 61SNR030_110_0362
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DYNOMITE -2009-

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11-368EGR System
DTC Troubleshooting (cont’d)
33. Turn the ignition switch to LOCK (0).
34. Remove the EGR valve (see page 11-370).
35. Remove the EGR plate (see page 9-2), and clean the
intake manifold EGR port with throttle plate and
induction cleaner. Also, clean the passage inside
the EGR valve with throttle plate and induction
cleaner.
36. Install the EGR valve (see page 11-370).
37. Reconnect all connectors.
38. Turn the ignition switch to ON (II).
39. Reset the ECM/PCM with the HDS.
40. Do the ECM/PCM idle learn procedure (see page 11-310).
41. Do the EGR TEST in the INSPECTION MENU with the HDS.
Go to step 49.
Go to step 42. 42. Turn the ignition switch to LOCK (0).
43. Replace the EGR valve (see page 11-370).
44. Reconnect all connectors.
45. Turn the ignition switch to ON (II).
46. Reset the ECM/PCM with the HDS.
47. Do the ECM/PCM idle learn procedure (see page
11-310).
48. Do the EGR TEST in the INSPECTION MENU with the HDS.
49. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at the EGR valve and the ECM/PCM, then
go to step 1.
Go to step 50.
50. Monitor the OBD STATUS for DTC P2413 in the DTCs MENU with the HDS.
Troubleshooting is complete. If any other
Temporary DTCs or DTCs were indicated in step 49,
go to the indicated DTC’s troubleshooting.
If the screen indicates FAILED, check for poor
connections or loose terminals at the EGR valve
and the ECM/PCM, then go to step 1. If the screen
indicates EXECUTING, keep idling until a result
comes on. If the screen indicates OUT OF
CONDITION, go to step 47.
Is the result OK ? Is DTC P2413 indicated?
Does t he scr een i nd i cat e PASSE D?
08/08/21 14:32:26 61SNR030_110_0368
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DYNOMITE -2009-


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11-377
ECM/PCM CONNECTOR B (44P)
EVAP CANISTER PURGE VALVE
2P CONNECTOR
PCS (YEL/BLU) PCS (YEL/BLU)
EVAP CANISTER PURGE VALVE
2P CONNECTOR
21. Check for continuity between ECM/PCM connector
terminal B3 and EVAP canister purge valve 2P
connector terminal No. 2.
Go to step 22.
Repair open in the wire between the EVAP
canister purge valve and the ECM/PCM (B3), then
go to step 24. 22. At the valve side, measure the resistance between
EVAP canister purge valve 2P connector terminals
No. 1 and No. 2.
Go to step 30.
Go to step 23.
23. Replace the EVAP canister purge valve (see page 11-409).
24. Reconnect all connectors.
25. Turn the ignition switch to ON (II).
26. Reset the ECM/PCM with the HDS.
27. Do the ECM/PCM idle learn procedure (see page 11-310).
(cont’d)
Wire side of
female terminals
Terminal side of female terminals Terminal side of male terminals
Is there continuity?
Is t her e about 25 at r oom t emper at ur e?
08/08/21 14:32:33 61SNR030_110_0377
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DYNOMITE -2009-

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DTC P0451:
YES
NO
YES
NO YES
NO
11-379
FTP Sensor Circuit Range/
Performance Problem
NOTE:
 Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general
troubleshooting information (see page 11-3).
 If DTC P2422 is stored at the same time as DTC P0451, troubleshoot DTC P2422 first, then recheck for DTC
P0451.
1. Turn the ignition switch to ON (II).
2. Clear the DTC with the HDS.
3. Start the engine, and let it idle for 1 minute.
4. Monitor the OBD STATUS for DTC P0451 in the DTCs MENU with the HDS.
Go to step 5.
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 and the ECM/PCM. If the screen indicates
NOT COMPLETED, keep idling until a result comes
on.
5. Turn the ignition switch to LOCK (0).
6. Replace the FTP sensor (see page 11-408).
7. Turn the ignition switch to ON (II).
8. Reset the ECM/PCM with the HDS.
9. Do the ECM/PCM idle learn procedure (see page 11-310).
10. Start the engine, then let it idle for 1 minute.
11. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at the FTP sensor and the ECM/PCM, then
go to step 1.
Go to step 12. 12. Monitor the OBD STATUS for DTC P0451 in the
DTCs MENU with the HDS.
Troubleshooting is complete. If any other
Temporary DTCs or DTCs were indicated in step 11,
go to the indicated DTC’s troubleshooting.
If the screen indicates FAILED, check for poor
connections or loose terminals at the FTP sensor
and the ECM/PCM, then go to step 1. If the screen
indicates NOT COMPLETED, keep idling until a
result comes on.
Does t he scr een i nd i cat e F AILE D?
Is DTC P0451 indicated? Does t he scr een i nd i cat e PASSE D?
08/08/21 14:32:33 61SNR030_110_0379
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DYNOMITE -2009-

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11-382EVAP System
DTC Troubleshooting (cont’d)
24. Turn the ignition switch to LOCK (0).
25. Replace the FTP sensor (see page 11-408).
26. Reconnect all connectors.
27. Turn the ignition switch to ON (II).
28. Reset the ECM/PCM with the HDS.
29. Do the ECM/PCM idle learn procedure (see page
11-310).
30. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at the FTP sensor and the ECM/PCM, then
go to step 1.
Go to step 31.
31. Monitor the OBD STATUS for DTC P0452 in the DTCs MENU with the HDS.
Troubleshooting is complete. If any other
Temporary DTCs or DTCs were indicated in step 30,
go to the indicated DTC’s troubleshooting.
If the screen indicates FAILED, check for poor
connections or loose terminals at the FTP sensor
and the ECM/PCM, then go to step 1. If the screen
indicates NOT COMPLETED, keep idling until a
result comes on. 32. Reconnect all connectors.
33. 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).
34. Start the engine, and let it idle.
35. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at the FTP sensor and the ECM/PCM. If
the ECM/PCM was updated, substitute a known-
good ECM/PCM (see page 11-7), then go to step 34.
If the ECM/PCM was substituted, go to step 1.
Go to step 36.
36. Monitor the OBD STATUS for DTC P0452 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 35, go to the indicated
DTC’s troubleshooting.
If the screen indicates FAILED, check for poor
connections or loose terminals at the FTP sensor
and the ECM/PCM. If the ECM/PCM was updated,
substitute a known-good ECM/PCM (see page 11-7),
then go to step 34. If the ECM/PCM was substituted,
go to step 1. If the screen indicates NOT
COMPLETED, keep idling until a result comes on.
Is DTC P0452 indicated?
Does t he scr een i nd i cat e PASSE D? Is DTC P0452 indicated?
Does t he scr een i nd i cat e PASSE D?
08/08/21 14:32:35 61SNR030_110_0382
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DYNOMITE -2009-

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11-385
26. Turn the ignition switch to LOCK (0).
27. Replace the FTP sensor (see page 11-408).
28. Reconnect all connectors.
29. Turn the ignition switch to ON (II).
30. Reset the ECM/PCM with the HDS.
31. Do the ECM/PCM idle learn procedure (see page
11-310).
32. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at the FTP sensor and the ECM/PCM, then
go to step 1.
Go to step 33.
33. Monitor the OBD STATUS for DTC P0453 in the DTCs MENU with the HDS.
Troubleshooting is complete. If any other
Temporary DTCs or DTCs were indicated in step 32,
go to the indicated DTC’s troubleshooting.
If the screen indicates FAILED, check for poor
connections or loose terminals at the FTP sensor
and the ECM/PCM, then go to step 1. If the screen
indicates NOT COMPLETED, keep idling until a
result comes on. 34. Reconnect all connectors.
35. 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).
36. Start the engine, and let it idle.
37. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at the FTP sensor and the ECM/PCM. If
the ECM/PCM was updated, substitute a known-
good ECM/PCM (see page 11-7), then go to step 36.
If the ECM/PCM was substituted, go to step 1.
Go to step 38.
38. Monitor the OBD STATUS for DTC P0453 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 37, go to the indicated
DTC’s troubleshooting.
If the screen indicates FAILED, check for poor
connections or loose terminals at the FTP sensor
and the ECM/PCM. If the ECM/PCM was updated,
substitute a known-good ECM/PCM (see page 11-7),
then go to step 36. If the ECM/PCM was substituted,
go to step 1. If the screen indicates NOT
COMPLETED, keep idling until a result comes on.
Is DTC P0453 indicated?
Does t he scr een i nd i cat e PASSE D? Is DTC P0453 indicated?
Does t he scr een i nd i cat e PASSE D?
08/08/21 14:32:36 61SNR030_110_0385
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11-389
A
B
C
23. Reconnect the vacuum hose (engine side) (A) to theEVAP canister purge valve (B) and disconnect the
vacuum hose (EVAP canister side) (C) from the
EVAP canister purge valve, then connect a vacuum
pump/gauge 0 30 in.Hg, to the vacuum hose as
shown.
24. Select EVAP CVS ON in the INSPECTION MENU with the HDS.
25. Apply vacuum to the EVAP system until the FTP reads 1.90 V ( 0.59 in.Hg, 15.1 mmHg).
NOTE: Be careful not to exceed the vacuum. If you
do, the FTP sensor can be damaged.
26. Monitor the FTP SENSOR in the DATA LIST for 1 minute with the HDS.
Replace the EVAP canister vent shut valve
(see page 11-409), then go to step 29.
Go to step 27.
27. Select EVAP CVS OFF in the INSPECTION MENU. 28. Check these parts for looseness or damage:
 Fuel fill pipe
 Fuel vapor return pipe
Check the fuel tank unit base gasket
(see page 11-335), and check the fuel tank, then go
to step 29.
Repair or replace the damaged parts, then go
to step 29.
29. Reconnect all hoses and connectors.
30. Turn the ignition switch to ON (II).
31. Reset the ECM/PCM with the HDS.
32. Do the ECM/PCM idle learn procedure (see page 11-310).
33. Do the EVAP FUNCTION TEST in the INSPECTION MENU with the HDS.
Troubleshooting is complete. If any other
Temporary DTCs or DTCs are indicated, go to the
indicated DTC’s troubleshooting.
Check for poor connections or loose terminals
at the FTP sensor, the EVAP canister purge valve,
the EVAP canister vent shut valve, and the ECM/
PCM, then go to step 1.
*: This illustration shows K20Z2 engine.
Does the voltage increase more than 0.2 V ( 2.5 mmH g, 0.1 i n.H g)? Ar e t he par t s OK ?
Is the result OK ?
08/08/21 14:32:38 61SNR030_110_0389
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DYNOMITE -2009-

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DTC P0496:
11-39111-391
12. Turn the ignition switch to LOCK (0).
13. Replace the EVAP canister vent shut valve
(see page 11-409).
14. Turn the ignition switch to ON (II).
15. Reset the ECM/PCM with the HDS.
16. Do the ECM/PCM idle learn procedure (see page 11-310).
17. 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, the EVAP canister vent shut
valve, and the ECM/PCM, then go to step 1.
18. Reinstall the EVAP canister vent shut valve.
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. 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, the EVAP canister vent shut
valve, and the ECM/PCM, then go to step 1. 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. Do the EVAP FUNCTION TEST in the INSPECTION MENU with the HDS.
Intermittent failure, the system is OK at this
time. Check for poor connections or loose terminals
at the FTP sensor, the EVAP canister purge valve,
the EVAP canister vent shut valve, and the ECM/
PCM.
Go to step 4.
4. Turn the ignition switch to LOCK (0).
5. Replace the EVAP canister purge valve (see page 11-409).
6. Turn the ignition switch to ON (II).
7. Reset the ECM/PCM with the HDS.
8. Do the ECM/PCM idle learn procedure (see page 11-310).
9. 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, the EVAP canister purge valve,
the EVAP canister vent shut valve, and the ECM/
PCM, then go to step 1.EVAP System High Purge Flow
Detected
Is the result OK ?
Is the result OK ? Is the result OK ?
Is the result OK ?
08/08/21 14:33:20 61SNR030_110_0391
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