Engine cannot start after being flooded

NAWAZKHADAROO

MEMBER
2016 TOYOTA PRIUS C
1.5L
4 CYL
AUTOMATIC
11,000 MILES

The car was flooded. Change hybrid control unit and airbag control unit. When the start/stop button is pressed all lights on dashboard go off. Yet it cannot start.

Sunday, August 4th, 2019 AT 12:12 AM

3 Replies

KEN L

MASTER CERTIFIED MECHANIC
47,536 POSTS

Hello,

Did the water get inside the car when it was flooded? We need to scan the car for codes and do a CAN scan as well to see whats going on. There are two guides to help us fix the car:

https://youtu.be/InIlnsjOVFA

and

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

You can get a CAN scanner for about $140.00 on Amazon.

Please run down these guides and report back.

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Monday, August 5th, 2019 AT 1:37 PM

NAWAZKHADAROO

MEMBER
5 POSTS

We did a scan after the hybrid vehicle control unit was changed. Also changed the hybrid battery and the electrical batteries. The error the diagnosis is giving ''Immobilizer malfunction'' so how to bypass this issue?

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Tuesday, August 6th, 2019 AT 10:06 AM

KEN L

MASTER CERTIFIED MECHANIC
47,536 POSTS

You cannot bypass the immobilizer, it sounds like you have a ID issue that must be reprogrammed the CAN scan will tell us for sure. We should check the fuses (ECU B2, IG2 2 and meter) for power that run the system. here the wiring diagrams so you can see the way the system works and the fuse locations as well, this guide will help check for power:

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

and

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

Check out the diagrams (below). Please let us know what you find.

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