i30 Owners Club

GOT PROBLEMS OR ISSUES? => DIESEL => Topic started by: wolfman66 on September 09, 2017, 11:43:17

Title: Hyundai i30 2012 diesel blovs fuse to ecu 4?
Post by: wolfman66 on September 09, 2017, 11:43:17: Hallo yesterday my car stop at the road.And problem was the fuse for ecu 4.And I replaces the 20 amp fuse,then the motor start again..
My question is what it is ECU 4?
Title: Re: Hyundai i30 2012 diesel blovs fuse to ecu 4?
Post by: tw2005 on September 09, 2017, 12:00:32: Quote from: wolfman66 on September 09, 2017, 11:43:17
Hallo yesterday my car stop at the road.And problem was the fuse for ecu 4.And I replaces the 20 amp fuse,then the motor start again..
My question is what it is ECU 4?

Believe it or not it's a 20Amp fuse to the ECU. Signal goes to the main relay, latches then power is applied to the ECU via the 20amp fuse.

Same relay also supplies power elsewhere as well via other fuses
Title: Re: Hyundai i30 2012 diesel blovs fuse to ecu 4?
Post by: CraigB on September 09, 2017, 12:04:29: I'm not 100% sure I understand what you're asking :undecided:

Are you asking what is ECU for? ECU is the Engine Control Unit...the cars brain :wink:
Title: Re: Hyundai i30 2012 diesel blovs fuse to ecu 4?
Post by: wolfman66 on September 10, 2017, 08:18:58: Theres is 4 fuse in row which is say ecu 1,2,3 and 4..But I wonder what is ecu 4 goes to for an application in the car?..I why did the fuse popping,is that groundproblem or bad connection with some connetor?
Title: Re: Hyundai i30 2012 diesel blovs fuse to ecu 4?
Post by: CraigB on September 10, 2017, 08:39:27: They're not very descriptive of what they are actually for, my model has engine icon pictures rather than ECU text on 11 fuses, couldn't say which one does what :Dunno: