DTC B2277: Detecting Vehicle Submersion: Procedure
WARNING: This page is about a different car, the 2012 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK FOR WATER DAMAGE
- Check the main body ECU (instrument panel junction block), peripheral components, and wire harnesses for traces of water.
OK
There are no traces of water.
NG → TAKE APPROPRIATE MEASURES AGAINST CAUSE OF WATER DAMAGE AND REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK)
OK: Go to next step
- Check the main body ECU (instrument panel junction block), peripheral components, and wire harnesses for traces of water.
- CHECK FOR DTC
- Clear the DTC. Refer to DTC CHECK / CLEAR .
- Turn the engine switch on (IG).
- After 330 seconds have elapsed, check if the trouble occurs again.
OK
DTC B2277 is not output.
NG → REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK)
OK → See step 3
- USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING