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Need help with parasitic draw off the IOD sense fuses

 
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Old 04 Sep 2016, 11:21 am
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Default Need help with parasitic draw off the IOD sense fuses

On a 2006 model i have a parasitic drain off the #7&8 fuses - IOD sense 1&2 @ 2.82 amps. What do those fuses run ? I could use a wiring diagram too if possible.
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Old 04 Sep 2016, 12:28 pm
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Default Re: Need help with parasitic draw off the IOD sense fuses

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Originally Posted by billyjoebob007 View Post
On a 2006 model i have a parasitic drain off the #7&8 fuses - IOD sense 1&2 @ 2.82 amps. What do those fuses run ? I could use a wiring diagram too if possible.
Are you sure you are getting a drain on both #7 & #8 fuses? If so do you have a TIPM?

You might want to double check the ignition module to see if its working properly or leaving some of the components on when you turn the key off.
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Last edited by ptcruisersteve; 04 Sep 2016 at 01:46 pm.
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Old 04 Sep 2016, 06:09 pm
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Default Re: Need help with parasitic draw off the IOD sense fuses

Quote:
Originally Posted by ptcruisersteve View Post
Are you sure you are getting a drain on both #7 & #8 fuses? If so do you have a TIPM?

You might want to double check the ignition module to see if its working properly or leaving some of the components on when you turn the key off.
YA cause soon as i pull those two fuses up the amps drop to .23 . No i do not have a tipm. Wish i had the service manual. I used to have access to ebsohosts auto reference center but have lost access to that.

Thats a possibility , the car was/is having issue with the ignition like car not shutting off when you goto shut the car off and pull the key out. Still working on that:
2006, Security screw size for ignition assembly to column ?

Also on that is that when the car is off the wipers and turn signals still work, i thought that those would be no power to those if car off and not running.

Last edited by billyjoebob007; 04 Sep 2016 at 06:12 pm.
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Old 04 Sep 2016, 06:18 pm
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Default Re: Need help with parasitic draw off the IOD sense fuses

This might help

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Old 05 Sep 2016, 08:02 am
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Default Re: Need help with parasitic draw off the IOD sense fuses

Soooo, what is a tipm and what runs off those 2 iod sense fuses ? ??
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Old 06 Sep 2016, 01:48 am
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Default Re: Need help with parasitic draw off the IOD sense fuses

Hi, I pasting some info from the service manual .

Description and Operation

IOD FUSE
All vehicles are equipped with an Ignition-Off Draw (IOD) fuse that is disconnected within the Power Distribution Center (PDC) when the vehicle is shipped from the factory Dealer personnel are to reconnect the IOD fuse in the PDC as part of the preparation procedures performed just prior to new vehicle delivery.

The term ignition-off draw identifies a normal condition where power is being drained from the battery with the ignition switch in the Off position. The IOD fuse feeds the memory and sleep mode functions for some of the electronic modules in the vehicle as well as various other accessories that require battery current when the ignition switch is in the Off position, including the clock. The only reason the IOD fuse is disconnected is to reduce the normal IOD of the vehicle electrical system during new vehicle transportation and pre-delivery storage to reduce battery depletion, while still allowing vehicle operation so that the vehicle can be loaded, unloaded and moved as needed by both vehicle transportation company and dealer personnel.

The IOD fuse is disconnected from PDC fuse cavity 18 when the vehicle is shipped from the assembly plant. Dealer personnel must reconnect the IOD fuse when the vehicle is being prepared for delivery in order to restore full electrical system operation. Once the vehicle is prepared for delivery, the IOD function of this fuse becomes transparent and the fuse that has been assigned the IOD designation becomes only another Fused B(+) circuit fuse. The IOD fuse serves no useful purpose to the dealer technician in the service or diagnosis of any vehicle system or condition, other than the same purpose as that of any other standard circuit protection device.

The IOD fuse can be used by the vehicle owner as a convenient means of reducing battery depletion when a vehicle is to be stored for periods not to exceed about thirty days. However, it must be remembered that disconnecting the IOD fuse will not eliminate IOD, but only reduce this normal condition. If a vehicle will be stored for more than about thirty days, the battery negative cable should be disconnected to eliminate normal IOD; and, the battery should be tested and recharged at regular intervals during the vehicle storage period to prevent the battery from becoming discharged or damaged. Refer to Battery for the location of additional service information covering the battery.

IOD FUSE

REMOVAL

NOTE: When removing or installing the IOD fuse, it is important that the ignition switch be in the OFF position. Failure to place the ignition switch in the OFF position can cause the radio display to become scrambled when the IOD fuse is installed. Removing and installing the IOD fuse again with the ignition switch in the OFF position will usually correct the scrambled radio display condition.

Turn the ignition switch to the OFF position.
Remove the cover from the Power Distribution Center (PDC) .
Remove fuse 18 from the PDC.
INSTALLATION
Insert fuse 18 into the Power Distribution Center (PDC).
Install the cover to the PDC.



I only have access to 03 turbo information but I suggest get a subscription to alldatadiy for your model year to get the diagrams and info you require.
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Old 06 Sep 2016, 07:54 am
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Default Re: Need help with parasitic draw off the IOD sense fuses

TIPM=Totally Integrated Power Module. Basically, ALL electrical functions of the car are run through this module. They're very sensitive to voltage drops, so you have to make sure your battery and cables are always in tip top shape. Sometime between the 05 and 06 models, Chrysler switched to this set up. Some of the early manufactured 06's don't have the TIPM, but I'm not sure of the cut off date. I'm sure someone here will know this.
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Old 06 Sep 2016, 09:08 am
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Default Re: Need help with parasitic draw off the IOD sense fuses

The PT Cruiser has a part called a Totally Integrated Power Module (TIPM) which is a combination fuse block and control module (computer) for the electrical system. It is sensitive to voltage spikes and susceptible to internal corrosion.

This is what the TIPM looks like.
2006 IntegratedPowerModule.jpg
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Old 06 Sep 2016, 08:28 pm
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Default Re: Need help with parasitic draw off the IOD sense fuses

Ok, thanks guys

Still trying to figure out what why and how would the 2 iod sense fuses be sucking 2.8 amps of juice draining the battery.
I re did the test for parasitic draw yesterday and with multimeter set at 10 amps probe 1 to neg post on batt and probe 2 to neg batt cable terminal but this time amp draw was around 1.62 amps but wildly fluctuating say to .82 then to .23 then back upwards to 1.42 and what not. When i pulled up the 2 iod sense fuses amp draw went to a steady .41 . Same in my inital test when it was reading 2.82 until i pulled those 2 fuses .
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Old 07 Sep 2016, 08:52 am
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Default Re: Need help with parasitic draw off the IOD sense fuses

Check to see if the fuses below get their power feed from fuse #7 & #8 by pulling each fuse one at a time. You might be able to narrow down where the draw is coming from.

Fuse #6 & 17 gets their power feed from Fuse #7
Fuse #14, #20 & #21 gets their power feed from Fuse #8
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