IMA/emissions Error - unable to scan with OBDII adapter

Tiny
NKSLIDER
  • MEMBER
  • 2010 HONDA INSIGHT HYBRID
  • 1.3L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
Hi, my vehicle runs and drives fine with some issues: remote keyless entry and power lock switches no longer work. I have resorted to turning off the ignition in gear to keep all the doors locked when parking because the doors all unlock if I don't, so I'd have to manually lock them all otherwise. The check IMA and check Emissions System lights come on in the dash display; there is no power to the stereo system, there does not seem to be any operationality of the traction battery and the meter on the display shows it as continuously depleted without the animation that usually shows up when the battery is charging or discharging with normal functionality. The climate controls and lighting all work fine. My OBDII adapter works fine (draws power and connects) in my other vehicle, but is not getting power in this one, engine on or off. I've checked all the fuses that I think could be causing the problem and they all seem good. I don't own a grid charger but have seen a number of forum posts indicating that an overnight charge on a grid charger might solve the problem. Any thoughts on what other diagnostics I can run on the car before resorting to a battery pack rebuild/replacement? Thanks!
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Sunday, April 3rd, 2022 AT 5:11 PM

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Tiny
JACOBANDNICKOLAS
  • EXPERT
Hi,

The first thing I need you to check is fuse 1 in the interior fuse panel. If you look at pics 3 and 4, it shows the location and the components it powers.

In addition to checking the fuse, it is important to check for power to and from the fuse. A fuse before it may have failed and there may be no power supply being provided.

Here is a link you may find helpful:

https://www.2carpros.com/articles/how-to-check-a-car-fuse

If the fuse is good and has power, go to the data link connector where you plug in the scanner. Pin 16 should have 12v at all times. I need you to confirm that. If there is power, check pin 4 for continuity to ground. See pics 1 and 2 below) Here is a link you may find helpful:

https://www.2carpros.com/articles/how-to-check-wiring

Let me know what you find or if you have other questions.

Take care,

Joe

See pics below.
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Monday, April 4th, 2022 AT 7:19 PM

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