Dtc p1349 & p1354
11-02-18, 04:31 AM
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Dtc p1349 & p1354
Hi I have a LS430 Europe 2001, I have error code P1349 & P1354, I can reset it but few kilometers after engine light re appear... I replaced OCV when I test VVT-i with tech stream it seems OK ... I don't know what can I do for fix it ?
11-12-18, 05:20 AM
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Have you done any recent work to the car? Those codes can be caused by timing being off by one tooth, or usually dirty vvt actuator solenoids (or defective ones). Luckily there are easy things to check. Verify you have clean and full engine oil and the right viscosity, because the vvt sprocket and vvt solenoids are controlled by oil pressure and it needs to be right. Dirty oil will plug the screens and passages for these systems with sludge. Then use an ohm meter on the camshaft actuator solenoids and make sure they are not open or some ridiculous resistance. Somewhere around 14-18 ohms I think is normal. If they are good, pull the top cover and check your timing. Simply place the crank at tdc and look to see if the cam sprockets line up too.
11-12-18, 01:18 PM
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History : I bought my LS430 on april 2016On July due to poor history I decided to replaced timing belt …by TOYOTAOne Year after august 2017 engine light apear & CHECK VSC & VSC OFFWith OBD/USB Tools & tech stream (made in china) I investiguated …I found P1354 P1346 P1351 P349, After searchs 1 possible common point :Timing Belt shifted !After discussion they controled it for free… because they controled & discovered 1 thoot shifted both side bank 1 & bank2So they fixed it & said you have again P1349 & P1354 but your car is too old we don't have any information & impossible do discuss with this CPUSo i continued to investigate by myself (I'm not a specialist)I replaced OCV & tested it by Tech-Stream OK I cleaned conectors of many sensors & measure Ohmeter (cold 18°C)VVT LH = 1108 OhmVVT RH = 1102 OhmCame Shaft = 1117 OhmCranck Shaft = 2095 OhmOCV RH = 7,3 OhmOCV LH = 7,3 OhmWhat do you think ?I also hear dirty Oil --> maby next step will be to change oil & filterLast was on december 2017 at 187 658 Kms with CASTROL 5W30Today it have 197 000Kms the level is OKI also hear : clean OCV filter but on LS430 access it's not easy isn't it ?
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