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Anyone know how much crap I ha ve to remove to get to the RH bank cam phaser? Check engine light is on, and my Innova OBD tells me it's the RH bank cam profile sensor. Might be a real issue although the car runs fine, or it might be the sensor? I opened the hood and saw a bunch of black plastic junk in the way and I'm sure knowing the correct order to remove things would be a good thing.
To just get to the solenoid or the sensor, it's just a case of removing the wiring in front (at least on the RH bank), and it's certainly worth testing these first, generally by swapping with the LH bank sensors/solenoids and seeing if the code moves across. I think out of the sensors/solenoids the most likely thing to fail are the solenoids. However, if neither are the issue then to get to the phaser is a lot more work. You have to remove the timing chains, which means removing the front timing cover, which requires removal of the crank pulley (special tools ahoy), plus all the injectors on that bank (usually needs an injector puller) because you also need to remove the cam cover, and then locking the cams to remove the tensioners and the chains. Definitely a very involved job.
Do you have a supercharged engine or normally aspirated?
Since I have everything apart doing the cooling hoses/pipes it was a good time to check the cam solenoids. Unfortunately for me, both check out OK. 6-ohms each and both activate with 5v (I used a power supply and started low). My OBD says "open on bank 2" so I'm still hoping it's electrical rather than physical. Anyone know if there's any cam position feedback to the electronics? If not then it has to be electrical since the electronics won't know if the CAM profile has physically changed.
Since I have everything apart doing the cooling hoses/pipes it was a good time to check the cam solenoids. Unfortunately for me, both check out OK. 6-ohms each and both activate with 5v (I used a power supply and started low). My OBD says "open on bank 2" so I'm still hoping it's electrical rather than physical. Anyone know if there's any cam position feedback to the electronics? If not then it has to be electrical since the electronics won't know if the CAM profile has physically changed.
Yes, "open" is a good error to have as it implies it's electrical rather than mechanical - specifically, it implies it's seeing an open circuit (broken wire or broken sensor/solenoid) as opposed to a resistance it's expecting to see.
The NA engine has solenoids as well as cam position sensors:
You will need to check each sensor plus the wiring.
What's the full error you're getting from the OBD?
Last edited by davetibbs; Aug 24, 2020 at 03:31 PM.
I ohmed out all of the wiring from the ECU (trial and error probing!) to both bank2 solenoids and both position sensors. All OK. The solenoids seem to function fine, the only unknown is the cam position sensors. I guess when I get all the hoses behind the radiator out of the way I will swap left and right bank cam position sensors and see what happens.
I guess i have until next August when the smog is due to fix this, and it's strange, the car runs perfectly. No issues at all.
That seems like a fairly generic description of code, so maybe not necessarily an open circuit on the wiring. I'd be looking to get more information - I have an Autel reader which will pull all the extended manufacturer codes as well as view the Live Data of cam positions etc, which is fairly necessary when solving an issue like this with the timing.
That said - swapping the cam position sensors over to the other bank to see if the code moves is absolutely worth it to rule out a sensor issue: if you do need a new camshaft sensor, the Beck/Arnley sensors at RockAuto were stamped as FoMoCo when I ordered them.
I don't have a lot of experience with my OBD scanner, but it is capable of live data, not sure it pulls all the Jag specific codes though. It should since it was a lot more expensive than the generic Chicom OBDs. Guess I should spend some time with the manual.
I ohmed out all of the wiring from the ECU (trial and error probing!) to both bank2 solenoids and both position sensors. All OK. The solenoids seem to function fine, the only unknown is the cam position sensors. I guess when I get all the hoses behind the radiator out of the way I will swap left and right bank cam position sensors and see what happens.
I guess i have until next August when the smog is due to fix this, and it's strange, the car runs perfectly. No issues at all.
reading this error message, having a N/A engine, I would assume a problem with the camshaft profile switching solenoids
located on the backside of the engine. Did you already checked them ?
Ulrich,
No, I did not. I saw them mentioned on the wiring diagram but did not know what - or where - they were! Thanks for the information, I will try to locate them and check them out. Might be easier to get to them once I've got the last screw out of the rear coolant crossover pipe which I am trying to remove.
I wonder why these are NA only?
I only have the 2010XFR Manual which doesn't include this picture or any information on this solenoid.
cam phasers?
