Power steering, radio and instrument lights went out - Toyota Yaris Forums

voscreature · 01-15-2017, 02:38 PM

Hi,

I suddenly lost the electrical power steering, radio and instrument lights on a 2010 Urban Cruiser (all three went out simultaneously). Since the Urban Cruiser is an odd-ball here in my country (Sweden), I take the opportunity to post this here, since I get the impression that the Yaris and Urban Cruiser is very similar in the design.

I will start more thorough troubleshooting tomorrow, but I have searched and read lots of cases with similar symptoms, but without any real conclusions about what the problems really has been. IG1 relay, harness issues, ground issues etc etc. are of course mentioned. The cars seems to run perfect except for the loss of PS, Radio and instrument cluster lights.

If someone has any good leads, tips, wiring diagrams etc. that could be of help, I would greatly appreciate this.

Thanks,

Martin
Sweden

voscreature · 01-18-2017, 01:31 PM

Problem solved. This car has start/stop feature and are as such equipped with a boost voltage converter that feeds radio, combination meter and EPS control unit. The boost converter was defective, once replaced all is back to normal. 30minutes work. $50 at junk yard. Case closed.

01-15-2017, 02:38 PM	#1
voscreature Drives: 2010 Urban Cruiser Join Date: Jan 2017 Location: Sweden Posts: 2	Power steering, radio and instrument lights went out Hi, I suddenly lost the electrical power steering, radio and instrument lights on a 2010 Urban Cruiser (all three went out simultaneously). Since the Urban Cruiser is an odd-ball here in my country (Sweden), I take the opportunity to post this here, since I get the impression that the Yaris and Urban Cruiser is very similar in the design. I will start more thorough troubleshooting tomorrow, but I have searched and read lots of cases with similar symptoms, but without any real conclusions about what the problems really has been. IG1 relay, harness issues, ground issues etc etc. are of course mentioned. The cars seems to run perfect except for the loss of PS, Radio and instrument cluster lights. If someone has any good leads, tips, wiring diagrams etc. that could be of help, I would greatly appreciate this. Thanks, Martin Sweden

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01-18-2017, 01:31 PM	#2
voscreature Drives: 2010 Urban Cruiser Join Date: Jan 2017 Location: Sweden Posts: 2	Problem solved. This car has start/stop feature and are as such equipped with a boost voltage converter that feeds radio, combination meter and EPS control unit. The boost converter was defective, once replaced all is back to normal. 30minutes work. $50 at junk yard. Case closed.