Sorry for reviving this thread. I just found out I had the exact same issue with the same wires being chewed straight off on my 2013 4runner. I've replaced the wiring harness before due to a similar issue elsewhere on the vehicle and would like to avoid that pricey option.
Were you able to just...
Hi guys, last wednesday my 2013 4runner was working just fine. After it was parked for a couple of days the engine doesn't seem to want to start. When I turn the keys, the engine sounds normal wanting to start but it just keeps going. The engines will not start. I've tried changing the battery...