Battery Disconect
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Battery Disconect
Hello, all. First, if I disconect the battery in an '03 Stype 3 liter must I have some sort of code to make the radio function again. Next, Auto Zone tells me I need a mass flow sensor to get rid of my check engine light and if I replace it and that is the problem will the check engine light go out on its own or do I need to disconnect the battery to reset the ECM? Thanks, Don
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Don, you will have to reset the radio stations and clock thats it, and reset the EPB, both simple enough.
What are the codes that say your MAF is bad? Also you may be able to clean the MAF sensor first before replacement.
The code will clear itself or you can borrow a torx driver from the Zone and replace the sensor in their parking lot and use their scanner to clear it. Takes only a minute or so to swap out the sensor.
What are the codes that say your MAF is bad? Also you may be able to clean the MAF sensor first before replacement.
The code will clear itself or you can borrow a torx driver from the Zone and replace the sensor in their parking lot and use their scanner to clear it. Takes only a minute or so to swap out the sensor.
Last edited by joycesjag; 03-18-2011 at 09:25 PM.
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Ruh roh! sorry for posting the lie above...and thanks to Achy and Urop for fixing me.
Really! Because I'm condsidering replacing the wife's battery in the 05 due to age, no problems just think it may be time..(can't remember ever having disconnected it, thus far)
Anyone know if the code can be read from WDS?
Again, sorry for bad info....maybe only the X300...but I could SWEAR I read somewhere authoritative that NA Mkt cars didn't use radio codes...
Really! Because I'm condsidering replacing the wife's battery in the 05 due to age, no problems just think it may be time..(can't remember ever having disconnected it, thus far)
Anyone know if the code can be read from WDS?
Again, sorry for bad info....maybe only the X300...but I could SWEAR I read somewhere authoritative that NA Mkt cars didn't use radio codes...
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aholbro1 (03-19-2011)
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Codes
Just got back from Auto Zone and this time two fault codes appeared:
P1111 and P1647
When the guy tried to look them up he could find nothing for an 03 S Type 3 liter. He also said he could not turn of the check engine light. He said that usually indicates Intake temp sensor issues.
Any Thoughts? Thanks, Don
P1111 and P1647
When the guy tried to look them up he could find nothing for an 03 S Type 3 liter. He also said he could not turn of the check engine light. He said that usually indicates Intake temp sensor issues.
Any Thoughts? Thanks, Don
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P1111 just means that certain components have passed a series of tests. If you clear codes, it changes to P1000 until the test passs again. It's automatic so don't worry about it.
P1647 means Linear O2 Sensor Control Chip, Bank 2. Bank 2 is on your right as you look at the engine.
Now, before you throw parts at this, Jag recommends that you check the wiring for shorts to ground or shorts to power. This the upper O2 sensor. Check fuses too.
P1647 means Linear O2 Sensor Control Chip, Bank 2. Bank 2 is on your right as you look at the engine.
Now, before you throw parts at this, Jag recommends that you check the wiring for shorts to ground or shorts to power. This the upper O2 sensor. Check fuses too.
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Don R (03-19-2011)
#13
The U.S. cars will not need a radio code if the radio head unit is set to US. The head unit can be set to various markets (ie Europe, Austrailia, Japan, US etc.)
If you change the country setting you will need to reset the memory station presets.
There are different frequencies for different markets.
bob gauff
If you change the country setting you will need to reset the memory station presets.
There are different frequencies for different markets.
bob gauff
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aholbro1 (03-19-2011)
#14
Glendaormike, thanks, while I was waiting for a reply I looked up the codes and found p1647. thanks for also telling me which bank is which. It looks like there are two oxegen sensors on each side and it looks like the problem is with the second sensor (farthest from the front on the driver's side (American) Is that right? I think I may be getting to understand how to use this forum, finally. Don
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This is what the Jag JITS says about it. Check wiring loom plugs, wiring, grounds. I think that you are most likely to have a wiring problem. A lot of this requires a digital multimeter. You probaly don't have an ECM failure. That is last on the list. This reads better in the JITS. Search for "JITS" for more info on that. It will be the first O2 sensor. 2/1 means bank 2 sensor 1.
The"HO2" means heated O2 sensor. I don't know how old it is, but if the wiring checks that may be your bad guy.
ECM Failure
The"HO2" means heated O2 sensor. I don't know how old it is, but if the wiring checks that may be your bad guy.
P1647 EMS
EOBD
ECM HO2 Sensor control
malfunction –
bank 2 upstream (2/1)
Drive vehicle for 10 minutes 2 N ECM Default:
– HO2S 2/1 control circuit
inhibited
— HO2 Sensor 2/1 heater failure
HO2 Sensor 2/1 sensing circuit:
short circuit to ground, short circuit to
high voltage, open circuit, high resistance
EOBD
ECM HO2 Sensor control
malfunction –
bank 2 upstream (2/1)
Drive vehicle for 10 minutes 2 N ECM Default:
– HO2S 2/1 control circuit
inhibited
— HO2 Sensor 2/1 heater failure
HO2 Sensor 2/1 sensing circuit:
short circuit to ground, short circuit to
high voltage, open circuit, high resistance
ECM Failure
Last edited by Glendoramike; 03-19-2011 at 02:16 PM.
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Do this:
Go to your local auto parts store and get the book called HAYNES TECHBOOK OBD-II & ELECTRONIC ENGINE MANAGEMENT SYSTEMS. It tells you what things are and how they work. It also gives you tests that you can run. A whole lot of the engine controls now are made by outside vendors like Denso. You will find their stuff on a lot of different brands of cars. The big differences among the cars is stuff like this HO2 sensor has three wires and that one has four. The difference there is how it is grounded.
GOOD LUCK
Go to your local auto parts store and get the book called HAYNES TECHBOOK OBD-II & ELECTRONIC ENGINE MANAGEMENT SYSTEMS. It tells you what things are and how they work. It also gives you tests that you can run. A whole lot of the engine controls now are made by outside vendors like Denso. You will find their stuff on a lot of different brands of cars. The big differences among the cars is stuff like this HO2 sensor has three wires and that one has four. The difference there is how it is grounded.
GOOD LUCK
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