Acura TSX 2004 User Manual

NO: Go to step 19.
19. Monitor the OBD STATUS for DTC P2649 in the DTCs MENU with the HDS.
Does the screen indicate PASSED?
YES: Troubleshooting is complete.
NO: If the screen indicated FAILED, go to step 1 and recheck. If the screen indicates NOT
COMPLETED, go to step 17 and recheck.
20. 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 ).
21. Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS.
Are any Temporary DTCs or DTCs indicated?
YES: If DTC P2647 is indicated, check for poor connections or loose terminals at the VTEC
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 ).
VTC OIL CONTROL SOLENOID VALVE REMOVAL/TEST/INSTALLATION
1. Disconnect the VTC oil control solenoid valve connector (A).
2004 Acura TSX
2004 ENGINE PERFORMANCE VTEC/VTC - TSX
Wednesday, March 12, 2008 2:17:58 AM Page 36

Acura TSX 2004 Specifications

General

Brand	Acura
Model	TSX 2004
Category	Automobile
Language	English