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Old 12-23-2016, 03:58 PM
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Compass not working after heater core replacement

2014 JKU with 430 radio/gps. I replaced the heater core due to no heat on drivers side. After completing the repair everything was good except the compass. 2 lines are being displayed where the compass direction is. I verified the wires at the radio and instrument cluster. Any suggestions from anybody? Thanks.

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Old 12-23-2016, 04:02 PM
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correction 2012 JKU Rubicon

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Old 12-23-2016, 04:20 PM   #3
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have you tried going into the evic and initiating a calibration then doing the circles?
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Old 12-23-2016, 04:37 PM
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Originally Posted by XmentalX View Post
have you tried going into the evic and initiating a calibration then doing the circles?
I thought the same thing. I navigated through all the menus in the evic and could not find compass calibration.
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Old 12-23-2016, 04:41 PM
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This is the compass display
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Old 12-24-2016, 12:05 AM   #6
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The calibration procedure is specified in your owner's manual (different than the owner's guide). It does not involve going into the evic to initiate it. Basically, press and hold the RESET button on the steering wheel to initiate it. You should also make sure it is set to the correct Compass Variance before calibration.

Here is a summary. The complete procedure can be found in your owner's manual.

Quote:
Manual Compass Calibration

If the compass appears erratic, inaccurate or abnormal,
you may wish to calibrate the compass. Prior to calibrating
the compass, make sure the proper zone is selected.

1. Start the engine and leave the transmission in the
PARK position.

2. Press and hold the RESET button (for approximately
10 seconds) until the current variance zone number is
displayed.

3. Release the RESET button, then press and hold again
for approximately 10 seconds, until the direction is
displayed, with the CAL indicator on continuously in
the display.

4. To complete the compass calibration, drive the vehicle
in one or more complete 360–degree circles, under
5 mph (8 km/h) in an area free from power lines and
large metallic objects, until the CAL indicator turns
off. The compass will now function normally.
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Old 12-24-2016, 05:00 AM   #7
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The navigation system provides the compass direction, so the calibration menu isn't available on those with nav. It uses sat signals instead and must be driven to provide a reading. Have you driven it since the repair?
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Old 12-24-2016, 07:12 AM
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The navigation system provides the compass direction, so the calibration menu isn't available on those with nav. It uses sat signals instead and must be driven to provide a reading. Have you driven it since the repair?
I drive about 100 miles.
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Old 12-24-2016, 07:22 AM   #9
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Is the Navigation working and showing your proper location while driving?
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Old 12-24-2016, 08:08 AM
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Is the Navigation working and showing your proper location while driving?
Yes. I also drove in circles also see if that would help.
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Old 12-24-2016, 10:30 AM   #11
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I'm at a loss then. Maybe try pulling battery terminal to reset. for some reason the evic isn't receiving the info or it's not communicating with each other.
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Old 12-28-2016, 11:40 PM   #12
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Quote:
Originally Posted by maniac9097 View Post
This is the compass display
Mine looks exactly like that also after my stereo install. I tried driving in circles, looked like a dork driving around and around in the high school parking lot down the road, lol. I even went the other way in case it mattered

Quote:
Originally Posted by RoadiJeff View Post
The calibration procedure is specified in your owner's manual (different than the owner's guide). It does not involve going into the evic to initiate it. Basically, press and hold the RESET button on the steering wheel to initiate it. You should also make sure it is set to the correct Compass Variance before calibration.

Here is a summary. The complete procedure can be found in your owner's manual.


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I didn't see these instructions, I will try this and see if it helps. Thank you!

Lisa
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Old 01-13-2017, 05:41 PM
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I took the JK to the dealership. They said the compass module needed to be replaced. I thought JK's with navigation radio's did not have compass modules. The compass display was given its direction from the navigation radio. After the module was replaced all is working fine.
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Old 01-13-2017, 07:36 PM   #14
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they are for sure separate when I first got my JK it wasnt calibrated but the GPS compass was spot on

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