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02 − − − − − − − − − − YES NO YES NO YES NO YES NO YES NO 11-252 VTEC DTC Troubleshooting (cont’d) PCM CONNECTOR B (44P) VTPSW 13. Check the VTEC oil pressure. Replace the rocker arm oil pressure switch (VTEC oil pressure switch) (see page 11-261), then Go to step 14. 14. Check the engine oil pressure (see page 8-6). Replace the rocker arm oil control solenoid (VTEC solenoid valve) (see page 11-261), then go to Repair the cause of the low oil pressure, and replace the rocker arm oil control solenoid (VTEC 15. Turn the ignition switch OFF. 16. Jump the SCS line with the HDS. 17. Disconnect PCM connector B (44P). 18. Check for continuity between PCM connector terminal B23 and body ground. Repair short in the wire between the PCM (B23) and the rocker arm oil pressure switch (VTEC Go to step 26. 19. Reconnect all connectors. 20. Turn the ignition switch ON (II). 21. Reset the PCM with the HDS. 22. Do the PCM idle learn procedure (see page 11-273). 23. Do the VTEC TEST in the INSPECTION MENU with the HDS. 24. Check for Temporary DTCs or DTCs with the HDS. Check for poor connections or loose terminals at the rocker arm oil pressure switch Go to step 25. 25. Monitor the OBD STATUS for DTC P2646 in the DTCs MENU with the HDS. Troubleshooting is complete. If any other Temporary DTCs or DTCs were indicated in step 24, If the screen indicates FAILED, check for poor connections or loose terminals at the rocker arm oil Terminal side of female terminals Does the oil pr essur e incr ease to at least 392 kPa Is the engine oil pr essur e OK ? Is ther e continuity? Is DT C P2646 indicated? Does the scr een indicate PASSED? 2 |