Acura TSX / Honda Accord CL. Manual — part 633

Fig. 5: Connecting VTC Oil Control Solenoid Valve 2P Connector Terminal No. 2 To Body Ground
With A Jumper Wire

14. Check for continuity between ECM/PCM connector terminal B1 and body ground.

Is there continuity?

YES: Go to step 23 .

NO: Repair open in the wire between the ECM/PCM (B1) and the VTC oil control solenoid
valve, then go to step 16 .

2004 Acura TSX

2004 ENGINE PERFORMANCE VTEC/VTC - TSX

Fig. 6: Checking For Continuity Between ECM/PCM Connector Terminal B1 & Body
Ground

15. Replace the VTC oil control solenoid valve (see VTC OIL CONTROL SOLENOID VALVE

REMOVAL/TEST/INSTALLATION ).

16. Reconnect all connectors.

17. Turn the ignition switch ON (II).

18. Reset the ECM/PCM with the HDS.

19. Do the ECM/PCM idle learn procedure (see ECM/PCM IDLE LEARN PROCEDURE ).

20. Do the VTC TEST in the INSPECTION MENU with the HDS.

21. Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS.

2004 Acura TSX

2004 ENGINE PERFORMANCE VTEC/VTC - TSX

Are any Temporary DTCs or DTCs indicated?

YES: If DTC P0010 is indicated, check for poor connections or loose terminals at the VTC
oil control solenoid valve and the ECM/PCM, then go to step 1 . If any other Temporary
DTCs or DTCs are indicated, go to the indicated DTC troubleshooting.

NO: Go to step 22.

22. Monitor the OBD STATUS for DTC P0010 in the DTCs MENU with the HDS.

Does the screen indicate PASSED?

YES: Troubleshooting is complete.

NO: If the screen indicates FAILED, go to step 1 and recheck. If the screen indicates NOT
COMPLETED, go to step 20 and recheck.

23. Update the ECM/PCM if it does not have the latest software, or substitute a known-good ECM/PCM (see

ECM/PCM UPDATING AND SUBSTITUTION FOR TESTING ).

24. Do the VTC TEST in the INSPECTION MENU with the HDS.

25. Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS.

Are any Temporary DTCs or DTCs indicated?

YES: If DTC P0010 indicated, check for poor connections or loose terminals at the VTC oil
control solenoid valve and the ECM/PCM, then go to step 1 . If any other Temporary DTCs
or DTCs are indicated, go to the indicated DTC troubleshooting.

NO: If the ECM/PCM was updated, troubleshooting is complete. If the ECM/PCM was
substituted, replace the original ECM/PCM (see HOW TO REMOVE THE ECM/PCM
FOR TESTING ).

DTC P0011: VTC SYSTEM MALFUNCTION

1. Turn the ignition switch ON (II).

2. Clear the DTC with the HDS.

3. Start the engine.

4. Watch the low oil pressure light with the engine running.

Is the low oil pressure light on?

YES: Check the oil pressure (see OIL PRESSURE TEST ), then go to step 15 .

NO: Go to step 5.

5. Do the VTC TEST in the INSPECTION MENU with the HDS.

Is the result OK?

YES: Go to step 6.

NO: Go to step 9 .

6. Test-drive at a steady speed between 19-38 MPH (30-60 km/h) for 10 minutes.

7. Check the VTC STATUS in the DATA LIST with the HDS.

Does it indicate ON?

YES: Go to step 8.

NO: Go to step 6 and recheck.

2004 Acura TSX

2004 ENGINE PERFORMANCE VTEC/VTC - TSX

8. Monitor the OBD STATUS for DTC P0011 in the DTCs MENU with the HDS.

Does the screen indicate FAILED?

YES: Go to step 9.

NO: If the screen indicates PASSED, intermittent failure, system is OK at this time. If the
screen indicates NOT COMPLETED, go to step 5 and recheck.

9. Turn the ignition switch OFF.

10. Remove the power steering pump and the autotensioner (see DRIVE BELT AUTO-TENSIONER ).

11. Remove the VTC strainer (A), and check it for clogging.

Is the strainer OK?

YES: Go to step 12.

NO: Clean the VTC strainer, replace the engine oil filter and the engine oil, then go to step
14 .

Fig. 7: Removing The VTC Strainer & Checking It For Clogging

2004 Acura TSX

2004 ENGINE PERFORMANCE VTEC/VTC - TSX