*** Restricting New Posts to SD Premium Members ONLY *** (09 May 2025)

Just made a new account? Can't post? Click above.

Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!

No crank, no start 2020 forester

  • SWautotech21
  • SWautotech21's Avatar Topic Author
  • Offline
  • New Member
  • New Member
More
2 years 9 months ago #59390 by SWautotech21
No crank, no start 2020 forester was created by SWautotech21
Got a question for you guys see if I can get some direction, 2020 subaru forester. No crank no start, connected scan tool no com to ecm, tcm, abs or immobilizer. Checked for voltage drop to MAF sensor found has 5 volt ref. I'm wanting to lean towards checking grounds but wanting to see if I can get help on direction to go towards thanks.

Please Log in or Create an account to join the conversation.

More
2 years 9 months ago #59392 by Cheryl
Replied by Cheryl on topic No crank, no start 2020 forester
Might want to check the j/b b635 says left side of engine comp should have blue and red wires going to it could be rodent damage

Please Log in or Create an account to join the conversation.

More
2 years 9 months ago #59393 by Cheryl
Replied by Cheryl on topic No crank, no start 2020 forester
Looks like it’s near the underhood fuse box on the drivers side

Please Log in or Create an account to join the conversation.

  • SWautotech21
  • SWautotech21's Avatar Topic Author
  • Offline
  • New Member
  • New Member
More
2 years 9 months ago #59395 by SWautotech21
Replied by SWautotech21 on topic No crank, no start 2020 forester
Checked wiring in the fuse box, definitely has rodent damage but not at that part of the wiring. Maybe here's a little more info that could help so I noticed that vehicle powers up without key in the vehicle. Did notice that obviously fans are running at high speed due to issue. So when I look at the schematic I should have 12v at A53 correct?

Please Log in or Create an account to join the conversation.

More
2 years 9 months ago - 2 years 9 months ago #59396 by Cheryl
Replied by Cheryl on topic No crank, no start 2020 forester
Check the resistance between pins 6 and 14 at the data link connector. battery unhooked. Should read 60 ohms. Does it? Need to make sure the network isn’t open. Because unless all those modules went bad all at once or jump started backward. I’ll check the schematic again when I’m near all data again tomorrow
Last edit: 2 years 9 months ago by Cheryl.
The following user(s) said Thank You: chief eaglebear

Please Log in or Create an account to join the conversation.

Time to create page: 0.272 seconds