Acura CSX. Instruction — page 175

YES

NO

YES

NO

YES

NO

11-368

EGR System

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 r esult OK ?

Is DT C P2413 indicated?

Does the scr een indicate PASSED?

08/08/21 14:32:26 61SNR030_110_0368

YES

NO

YES

NO

11-369

51. Turn the ignition switch to LOCK (0).

52. Reconnect all connectors.

53. 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).

54. Do the EGR TEST in the INSPECTION MENU with

the HDS.

55. 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 go to step 54. If the
ECM/PCM was substituted, go to step 1.

Go to step 56.

56. Monitor the OBD STATUS for DTC P2413 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 55, 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. If the ECM/PCM was updated,
substitute a known-good ECM/PCM (see page 11-7),
then go to step 54. If the ECM/PCM was substituted,
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 54.

Is DT Cs P2413 indicated?

Does the scr een indicate PASSED?

08/08/21 14:32:26 61SNR030_110_0369

01

SNR9AEAA20323525401KBAT00

11-370

EGR System

EGR Valve Replacement

A

B

C

D

F

E

22 N·m
(2.2 kgf·m,
16 lbf·ft)

1. Remove the air cleaner (see page 11-345).

2. Relieve the fuel pressure (see page 11-322).

3. Remove the fuel line (A). Disconnect the hose (B).

4. Disconnect CMP sensor A connector (C).

5. Remove the EGR valve 6P connector (D).

6. Remove the EGR valve (E).

7. Install the parts in the reverse order of removal

with a new gasket (F).

08/08/21 14:32:27 61SNR030_110_0370

*01

SNR9A00A20360300000DAAT00

11-371

PCV System

Component Location Index

PCV VALVE
Inspection (K20Z2 engine), page 11-372
Inspection (K20Z3 engine), page 11-372
Replacement, page 11-373

* : This illustration shows K20Z2 engine.

08/08/21 14:32:28 61SNR030_110_0371

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