▲ 1 r/4Runner
Need to reset system - battery disconnect help
Have a check engine light and Trac off warning light. I’ve seen that this is often caused by a faulty gas cap, which I’ve replaced. But the lights are still on. Before taking it into the shop, I was going to try to do a reset of the system by disconnecting the battery (as I’ve found online). BUT I’m not sure which side is negative - no clear + or - sign. Can someone confirm which one is negative? (I think positive is on the left and negative on the right.)
See photos.
u/DripDrop777 — 12 hours ago