Scheme 226
Scheme 227
Scheme 228
Scheme 229
Scheme 230
Scheme 231
- Turn the ignition switch ON (II).
- Clear the DTC with the HDS.
- Start the engine. Hold the engine speed at 3,000 RPM without load (in Park or neutral) until the radiator fan comes on, then let it idle.
- Do the VTC TEST in the INSPECTION MENU with the HDS.
- Check for Temporary DTCs or DTCs with the HDS. Is DTC P0010 indicated? YES - Go to step 6. NO - Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the VTC oil control solenoid valve and the ECM/PCM.
- Turn the ignition switch OFF.
- Disconnect the VTC oil control solenoid valve 2P connector.
- Measure resistance between VTC oil control solenoid valve 2P connector terminals No. 1 and No. 2. Is there 6.75-8.25 ohms at room temperature? YES - Go to step 9. NO - Go to step 15 .
- Check for continuity between VTC oil control solenoid valve 2P connector terminal No. 1 and body ground. Is there continuity? YES - Go to step 10. NO - Repair open in the wire between the VTC oil control solenoid valve and G101, then go to step 16 .
- Jump the SCS line with the HDS.
- Disconnect ECM/PCM connector B (24P).
- Check for continuity between ECM/PCM connector terminal B1 and body ground. Is there continuity? YES - Repair short in the wire between the ECM/PCM (B1) and the VTC oil control solenoid valve, then go to step 16 . NO - Go to step 13.
- Connect VTC oil control solenoid valve 2P connector terminal No. 2 to body ground with a jumper wire.
- 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 .
- Replace the VTC oil control solenoid valve (see «VTC OIL CONTROL SOLENOID VALVE REMOVAL/TEST/INSTALLATION»(ref-219373-S03001614932006021400000) ).
- Reconnect all connectors.
- Turn the ignition switch ON (II).
- Reset the ECM/PCM with the HDS.
- Do the ECM/PCM idle learn procedure (see «ECM/PCM IDLE LEARN PROCEDURE»(ref-219374-S42320443812006021400000) ).
- Do the VTC TEST in the INSPECTION MENU with the HDS.
- Check for Temporary DTCs or DTCs with the HDS. 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's troubleshooting . NO - Go to step 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.
- 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»(ref-219370-S15199960282006021400000) ).
- Do the VTC TEST in the INSPECTION MENU with the HDS.
- Check for Temporary DTCs or DTCs with the HDS. 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's troubleshooting. NO - If the ECM/PCM was updated, troubleshooting is complete. If the ECM/PCM was substituted, replace the original ECM/PCM (see «ECM/PCM REPLACEMENT»(ref-219371-S37179676622006021400000) ).
Scheme 232
- Turn the ignition switch ON (II).
- Clear the DTC with the HDS.
- Start the engine.
- Watch the low oil pressure indicator with the engine running. Is the low oil pressure Indicator on? YES - Check the oil pressure (see «OIL PRESSURE TEST»(ref-219366-S32779369672006021400000) ), make any needed repairs, then go to step 15 . NO - Go to step 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 .
- Test-drive at a steady speed between 19-38 mph (30-60 km/h) for 10 minutes.
- 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.
- 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. Check for poor connections or loose terminals at the VTC oil control solenoid valve and the ECM/PCM. If the screen indicates NOT COMPLETED, go to step 5 . and recheck.
- Turn the ignition switch OFF.
- Remove the auto-tensioner (see «DRIVE BELT REPLACEMENT»(ref-219361-S01895169962006021400000) ).
- 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 .
- Test the VTC oil control solenoid valve (see «VTC OIL CONTROL SOLENOID VALVE REMOVAL/TEST/INSTALLATION»(ref-219373-S03001614932006021400000) ). 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»(ref-219373-S03001614932006021400000) ), then go to step 14 .
- Inspect the VTC actuator (see «VTC ACTUATOR INSPECTION»(ref-219364-S37148837872006021400000) ). Is the VTC actuator OK? YES - Go to step 14. NO - Replace the VTC actuator (see «VTC ACTUATOR, EXHAUST CAMSHAFT SPROCKET REMOVE»(ref-219364-S22834485982006021400000) ), then go to step 14.
- Turn the ignition switch ON (II).
- Reset the ECM/PCM with the HDS.
- Clear the CKP pattern with the HDS.
- Do the ECM/PCM idle learn procedure (see «ECM/PCM IDLE LEARN PROCEDURE»(ref-219374-S42320443812006021400000) ).
- Do the CKP pattern learn procedure (see «CKP PATTERN CLEAR/CKP PATTERN LEARN»(ref-219370-S22235184282006021400000) ).
- Do the VTC TEST in the INSPECTION MENU with the HDS.
- Check for Temporary DTCs or DTCs with the HDS. Are any Temporary DTCs or DTCs indicated? YES - If DTC P0011 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's troubleshooting. NO - Go to step 21.
- Monitor the OBD STATUS for DTC P0011 in the DTCs MENU with the HDS. Does the screen indicate PASSED? YES - Troubleshooting is complete. NO - If the screen indicates FAILED, check for poor connections or loose terminals at the VTC oil control solenoid valve and the ECM/PCM, then go to step 1 . If the screen indicates NOT COMPLETED, go to step 19 . and recheck.
Scheme 233
Scheme 234
Scheme 235
Scheme 236
Scheme 237
- Turn the ignition switch ON (II).
- Clear the DTC with the HDS.
- Start the engine.
- Check for Temporary DTCs or DTCs with the HDS. Is DTC P0340 indicated? YES - Go to step 5. NO - Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at CMP sensor A and the ECM/PCM.
- Turn the ignition switch OFF.
- Disconnect the CMP sensor A 3P connector.
- Turn the ignition switch ON (II).
- Measure voltage between CMP sensor A 3P connector terminal No. 3 and body ground. Is there battery voltage? YES - Go to step 9. NO - Repair open in the wire between the No. 4 ACG (10 A) fuse in the under-dash fuse/relay box and CMP sensor A, then go to step 18 .
- Measure voltage between CMP sensor A 3P connector terminal No. 1 and body ground. Is there about 5 V? YES - Go to step 10. NO - Go to step 11 .
- Measure voltage between CMP sensor A 3P connector terminals No. 2 and No. 3. Is there battery voltage? YES - Go to step 16 . NO - Repair open in the wire between CMP sensor A and G101, then go to step 18 .
- 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 18 . NO - Go to step 12.
- Turn the ignition switch OFF.
- Jump the SCS line with the HDS.
- Disconnect ECM/PCM connector A (31P).
- Check for continuity between ECM/PCM connector terminal A19 and body ground. Is there continuity? YES - Repair short in the wire between the ECM/PCM (A19) and CMP sensor A, then go to step 18 . NO - Go to step 24 .
- Turn the ignition switch OFF.
- Replace CMP sensor A (see «CMP SENSOR A REPLACEMENT»(ref-219373-S13788806462006021400000) ).
- Reconnect all connectors.
- Turn the ignition switch ON (II).
- Reset the ECM/PCM with the HDS.
- Do the ECM/PCM idle learn procedure (see «ECM/PCM IDLE LEARN PROCEDURE»(ref-219374-S42320443812006021400000) ).
- Start the engine.
- Check for Temporary DTCs or DTCs with the HDS. Are any Temporary DTCs or DTCs indicated? YES - If DTC P0340 is indicated, check for poor connections or loose terminals at CMP 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's troubleshooting. NO - Troubleshooting is complete.
- 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»(ref-219370-S15199960282006021400000) ).
- Check for Temporary DTCs or DTCs with the HDS. Are any Temporary DTCs or DTCs indicated? YES - If DTC P0340 is indicated, check for poor connections or loose terminals at CMP 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's troubleshooting. NO - If the ECM/PCM was updated, troubleshooting is complete. If the ECM/PCM was substituted, replace the original ECM/PCM (see «ECM/PCM REPLACEMENT»(ref-219371-S37179676622006021400000) ).