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Hide thumbs Also See for TSX 2004:
- Owner's manual (1 page) ,
- Removal and installation (77 pages) ,
- Service bulletin (6 pages)
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- Contents
- Table of Contents
- Troubleshooting
- Bookmarks
Table of Contents
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Component Location Unit
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Troubleshooting
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DTC P0010: VTC Oil Control Solenoid Valve Malfunction
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VTC Oil Control Solenoid Valve 2P Connector
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ECM/PCM Connector B (24P)
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DTC P0011: VTC System Malfunction
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DTC P0340: CMP Sensor a no Signal
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CMP Sensor a 3P Connector
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ECM/PCM Connector a (31P)
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DTC P0341: CMP Sensor and CKP Sensor Incorrect Phase Detected
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DTC P0344: CMP Sensor a Intermittent Interruption
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DTC P2646: Oil Pressure Switch Circuit Low Voltage
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DTC P2647: VTEC Oil Pressure Switch Circuit High Voltage
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VTEC Oil Pressure Switch 2P Connector
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DTC P2648: VTEC Solenoid Valve Circuit Low Voltage
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VTEC Solenoid Valve 2P Connector
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DTC P2649: VTEC Solenoid Valve Circuit High Voltage
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VTC Oil Control Solenoid Valve Removal/Test/Installation
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VTEC Solenoid Valve Inspection
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CMP Sensor Replacement
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Removal and Installation
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VTEC Solenoid Valve Removal/Installation
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Removing VTEC Solenoid Valve
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Removing VTEC Oil Pressure Switch
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- 1 Component Location Unit
- 2 Troubleshooting
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COMPONENT LOCATION INDEX
Fig. 1: Locating VTEC/VTC Components
DTC TROUBLESHOOTING
DTC TROUBLESHOOTING INDEX
DTC
DTC P0010
DTC P0011
Wednesday, March 12, 2008 2:18:21 AM
Wednesday, March 12, 2008 2:17:57 AM
2004 Acura TSX
2004 Acura TSX
2004 ENGINE PERFORMANCE VTEC/VTC - TSX
2004 ENGINE PERFORMANCE VTEC/VTC - TSX
2004 ENGINE PERFORMANCE
VTEC/VTC - TSX
Page 1
Page 1
VTC Oil Control Solenoid Valve Malfunction
VTC System Malfunction
Description
Table ofContents
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Table of Contents
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Summary of Contents for Acura TSX 2004
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Page 1: Component Location Index
2004 Acura TSX 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX COMPONENT LOCATION INDEX Fig. 1: Locating VTEC/VTC Components DTC TROUBLESHOOTING DTC TROUBLESHOOTING INDEX Description DTC P0010... - Page 2 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX DTC P0340 CMP Sensor A No Signal DTC P0341 CMP Sensor & CKP Sensor Incorrect Phase Detected DTC P0344 CMP Sensor A Intermittent Interruption DTC P2646 Oil Pressure Switch Circuit Low Voltage...
- Page 3 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Fig. 2: Measuring Resistance Between VTC Oil Control Solenoid Valve 2P Connector Terminals No. 1 & No. 2 9. Check for continuity between VTC oil control solenoid valve terminal No. 1 and body ground.
- Page 4 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Fig. 3: Checking For Continuity Between VTC Oil Control Solenoid Valve Terminal No. 1 & Body Ground 10. Jump the SCS line with the HDS. 11. Disconnect ECM/PCM connector B (24P).
- Page 5 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Fig. 4: Checking For Continuity Between ECM/PCM Connector Terminal B1 & Body Ground 13. Connect VTC oil control solenoid valve 2P connector terminal No. 2 to body ground with a jumper wire.
- Page 6 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX 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.
- Page 7 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.
- Page 8 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.
- Page 9 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.
- Page 10 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX 12. Test the VTC oil control solenoid valve (see VTC OIL CONTROL SOLENOID VALVE REMOVAL/TEST/INSTALLATION ). Is the VTC oil control solenoid valve OK? YES: Go to step 13. NO: Replace the VTC oil control solenoid valve (see VTC OIL CONTROL SOLENOID VALVE REMOVAL/TEST/INSTALLATION ), then go to step 14 .
- Page 11 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX terminals at CMP Sensor A and the ECM/PCM. 5. Turn the ignition switch OFF. 6. Disconnect the CMP Sensor A 3P connector. 7. Turn the ignition switch ON (II). 8. Measure voltage between CMP Sensor A 3P connector terminal No. 3 and body ground.
- Page 12 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Fig. 8: Measuring Voltage Between CMP Sensor A 3P Connector Terminal No. 3 & Body Ground 9. Measure voltage between CMP Sensor A 3P connector terminal No. 1 and body ground.
- Page 13 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Fig. 9: Measuring Voltage Between CMP Sensor A 3P Connector Terminal No. 1 & Body Ground 10. Measure voltage between CMP Sensor A 3P connector terminals No. 2 and No. 3.
- Page 14 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Fig. 10: Measuring Voltage Between CMP Sensor A 3P Connector Terminals No. 2 & No. 3 11. Measure voltage between ECM/PCM connector terminal A19 and body ground. Is there about 5 V? YES: Repair open in the wire between the ECM/PCM (A19) and CMP Sensor A, then go to step 19 .
- Page 15 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Fig. 11: Measuring Voltage Between ECM/PCM Connector Terminal A19 & Body Ground 12. Turn the ignition switch OFF. 13. Jump the SCS line with the HDS. 14. Disconnect ECM/PCM connector A (31P).
- Page 16 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Fig. 12: Checking For Continuity Between ECM/PCM Connector Terminal A19 & Body Ground 16. Turn the ignition switch OFF. 17. Replace CMP Sensor A (see CMP SENSOR A REPLACEMENT ). 18. Turn the ignition switch ON (II).
- Page 17 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Sensor A 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: Troubleshooting is complete. 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 ).
- Page 18 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Is the VTC oil control solenoid valve OK? YES: Go to step 11. NO: Replace the VTC oil control solenoid valve (see VTC OIL CONTROL SOLENOID VALVE REMOVAL/TEST/INSTALLATION ), then go to step 14 .
- Page 19 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Engine speed Vehicle speed 2. Clear the DTC with the HDS. 3. Start engine, and let it idle for 10 seconds. 4. Check the CMP NOISE A COUNT in the DATA LIST with the HDS.
- Page 20 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX NO: Troubleshooting is complete. DTC P2646: OIL PRESSURE SWITCH CIRCUIT LOW VOLTAGE Special Tools Required: Pressure gauge adapter 07NAJ-P07010A A/T low pressure gauge w/panel 07406-0070300 A/T pressure hose 07406-0020201 A/T pressure hose, 2,210 mm 07MAJ-PY4011A...
- Page 21 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Fig. 13: Removing The VTEC Oil Pressure Switch & Installing The Special Tools & Installing The VTEC Oil Pressure Switch To The Oil Pressure Gauge Adapter 11. Turn the ignition switch ON (II).
- Page 22 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Is there continuity? YES: Repair short in the wire between the ECM/PCM (B11) and the VTEC oil pressure switch, then go to step 19. NO: Go to step 27 . Fig. 14: Checking For Continuity Between ECM/PCM Connector Terminal B11 & Body Ground 19.
- Page 23 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX 21. Turn the ignition switch ON (II). 22. Reset the ECM/PCM with the HDS. 23. Do the ECM/PCM idle learn procedure (see ECM/PCM IDLE LEARN PROCEDURE ). 24. Do the VTEC TEST in the INSPECTION MENU with the HDS.
- Page 24 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX 5. Check the result of step 4. Does the test result indicate one of the following failures? VTEC Switch Failure VTEC Switch Open VTEC Switch SIG Line Open VTEC Switch GND Line Open YES: Go to step 6.
- Page 25 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Fig. 15: Checking For Continuity Between VTEC Oil Pressure Switch Terminals No. 1 & No. 9. Turn the ignition switch ON (II). 10. Measure voltage between VTEC oil pressure switch terminal No. 1 and body ground.
- Page 26 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Fig. 16: Measuring Voltage Between VTEC Oil Pressure Switch Terminal No. 1 & Body Ground 11. Measure voltage between ECM/PCM connector terminal B11 and body ground. Is there battery voltage? YES: Repair open in the wire between the ECM/PCM (B11) and the VTEC oil pressure switch, then go to step 12.
- Page 27 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Fig. 17: Measuring Voltage Between ECM/PCM Connector Terminal B11 & Body Ground 12. Turn the ignition switch OFF. 13. Reconnect the VTEC oil pressure switch 2P connector. 14. Turn the ignition switch ON (II).
- Page 28 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX DTCs are indicated, go to the indicated DTC troubleshooting. NO: Go to step 18. 18. Monitor the OBD STATUS for DTC P2647 in the DTCs MENU with the HDS. Does the screen indicate PASSED? YES: Troubleshooting is complete.
- Page 29 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Fig. 18: Measuring Resistance Between VTEC Solenoid Valve 2P Connector Terminals No. 1 & No. 2 7. Jump the SCS line with the HDS. 8. Disconnect ECM/PCM connector B (24P). 9. Check for continuity between ECM/PCM connector terminal B6 and body ground.
- Page 30 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Fig. 19: Checking For Continuity Between ECM/PCM Connector Terminal B6 & Body Ground 10. Replace the VTEC solenoid valve (see VTEC SOLENOID VALVE REMOVAL/INSTALLATION ). 11. Reconnect all connectors. 12. Turn the ignition switch ON (II).
- Page 31 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX are indicated, go to the indicated DTC troubleshooting. NO: Go to step 17. 17. Monitor the OBD STATUS for DTC P2648 in the DTCs MENU with the HDS. Does the screen indicate PASSED? YES: Troubleshooting is complete.
- Page 32 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Fig. 20: Measuring Resistance Between VTEC Solenoid Valve 2P Connector Terminals No. 1 & No. 2 8. Check for continuity between VTEC solenoid valve terminal No. 2 and body ground. Is there continuity? YES: Go to step 9.
- Page 33 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Fig. 21: Checking For Continuity Between VTEC Solenoid Valve Terminal No. 2 & Body Ground 9. Jump the SCS line with the HDS. 10. Disconnect ECM/PCM connector B (24P). 11. Connect VTEC solenoid valve 2P connector terminal No. 1 to body ground with a jumper wire.
- Page 34 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Fig. 22: Connecting VTEC Solenoid Valve 2P Connector Terminal No. 1 To Body Ground With A Jumper Wire 12. Check for continuity between ECM/PCM connector terminal B6 and body ground. Is there continuity? YES: Go to step 20 .
- Page 35 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Fig. 23: Checking For Continuity Between ECM/PCM Connector Terminal B6 & Body Ground 13. Replace the VTEC solenoid valve (see VTEC SOLENOID VALVE REMOVAL/INSTALLATION ). 14. Reconnect all connectors. 15. Turn the ignition switch ON (II).
- Page 36 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX 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.
- Page 37 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Fig. 24: Disconnecting The VTC Oil Control Solenoid Valve Connector 2. Remove the bolt (B) and VTC oil control solenoid valve (C). 3. Check the VTC oil control solenoid valve for sticking and the solenoid valve filter for clogging. If the valve is stuck or clogged, replace the VTC oil control solenoid valve.
- Page 38 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Fig. 25: Checking Clearance Between The Port & The Valve 5. Connect the battery positive terminal to VTC oil control solenoid valve 2P connector terminal No. 2. Wednesday, March 12, 2008 2:17:58 AM...
- Page 39 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Fig. 26: Connecting Battery To VTC Oil Control Solenoid Valve 2P Connector 6. Connect the battery negative terminal to VTC oil control solenoid valve 2P connector terminal No. 1. Clearance (A) should be at least 1.2 mm (1/16 in.). If the valve does not open, replace it, then go to step...
- Page 40 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Fig. 27: Checking VTC Oil Control Solenoid Valve Clearance 7. Remove the VTC valve O-ring (A). Wednesday, March 12, 2008 2:17:58 AM Page 40...
- Page 41 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Fig. 28: Installing VTC Oil Control Solenoid Valve 8. Coat a new O-ring with engine oil, then install it. 9. Clean and dry the mating surface of the valve. 10. Install the valve.
- Page 42 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Fig. 29: Measuring Resistance Between VTEC Solenoid Valve Connector Terminals No. 1 & No. 2 4. If the resistance is within specifications, check the solenoid valve filter (A) for clogging. If it is clogged, replace the solenoid valve filter, the engine oil filter, and the engine oil.
- Page 43 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Wednesday, March 12, 2008 2:17:58 AM Page 43...
- Page 44 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Fig. 30: Replacing The Solenoid Valve Filter REMOVAL & INSTALLATION CMP SENSOR A REPLACEMENT 1. Remove the air cleaner (see AIR CLEANER REMOVAL/INSTALLATION ). 2. Disconnect the CMP sensor A connector (A).
- Page 45 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX VTEC SOLENOID VALVE REMOVAL/INSTALLATION 1. Disconnect the VTEC solenoid valve connector (A) and the VTEC oil pressure switch connector (B). Wednesday, March 12, 2008 2:17:58 AM Page 45...
- Page 46 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Wednesday, March 12, 2008 2:17:58 AM Page 46...
- Page 47 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX Fig. 32: Removing VTEC Solenoid Valve 2. Remove the bolts (C). 3. Remove the VTEC solenoid valve (D). 4. Install the valve in the reverse order of removal with a new solenoid valve filter (E).
- Page 48 2004 Acura TSX 2004 ENGINE PERFORMANCE VTEC/VTC - TSX 3. Remove the VTEC oil pressure switch (B). 4. Install the switch in the reverse order of removal with a new O-ring (C). Wednesday, March 12, 2008 2:17:58 AM Page 48...