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Red triangle,vsc,engine,handbrake and abs lights are on

Discussion in 'Gen 2 Prius Main Forum' started by Fazrin, Dec 23, 2016.

  1. Fazrin

    Fazrin New Member

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    It's a 2006 with 18000kms. Change brake pads and then abs and vsc lights came on. Drove as it is then then red triangle came on. Now the car is not having power and moves very slow. Tried changing relays in the 12v fuse box and did a diagnosis by a 3rd party then the red triangle and engine light went off but abs,vsc and hand brakes lights were still on and the car was performing well but the hybrid battery wasn't charging above 4bars. Drove like 60kms and then engine and red triangle came on again. When I start then the engine comes on mad makes a jerk noise when I change the gear to D or R as if the engine is gonna fall off. When i did the diagnosis then the "open circuit in main relay 2" doesn't get cleared. Others get cleared. Please advise
     

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    #1 Fazrin, Dec 23, 2016
  2. bisco

    bisco cookie crumbler

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    welcome! you might need toyota tech stream diagnosis software. really only 18,000 kms?

    could be your 12 volt or hybrid battery.
     
    #2 bisco, Dec 23, 2016
  3. saltdiscus

    saltdiscus Member

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    #3 saltdiscus, Dec 23, 2016
  4. Fazrin

    Fazrin New Member

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    Sorry, it's 180000kms. Last year I replaced the hybrid battery so it's only 14months old. This happened only after replacing the brake pads
     
    #4 Fazrin, Dec 24, 2016
  5. bisco

    bisco cookie crumbler

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    might be worth checking the 12v before paying for diagnosis. is the replacement battery new oem, salvage or rebuilt?
    who changed the brake pads?
     
    #5 bisco, Dec 24, 2016
  6. Fazrin

    Fazrin New Member

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    I changed the abs relays yesterday so the ABS and handbrake light went off. But red triangle,VSC and engine light is on. But if take the 12v battery terminal out now connect then it goes of but after a while the engine,red triangle,vsc and yellow warning light comes on. I doubt it's the 12v battery
     
    #6 Fazrin, Dec 25, 2016
  7. bisco

    bisco cookie crumbler

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    that just resets the codes. you need to check the health. or not, it's just a wag.
     
    #7 bisco, Dec 25, 2016
  8. Fazrin

    Fazrin New Member

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    Okay, I am gonna put a new 12v battery tomorrow and see what happens. The handbrake is really weak, if put the handbrake on car moves very easily so could it be the reason?
     
    #8 Fazrin, Dec 26, 2016
  9. bisco

    bisco cookie crumbler

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    only if the hand brakes are dragging and causing a speed sensor problem. you might want to jack it up and rotate the wheels, but you should have the hand brake fixed anyway. don't buy a new 12v unless the old one is bad, or more then 6 years old.
     
    #9 bisco, Dec 26, 2016
  10. Fazrin

    Fazrin New Member

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    Okay let me check the handbrake. I do feel like it's dragging. Do you think that it could be the inverter coolant pump?
     
    #10 Fazrin, Dec 26, 2016
  11. bisco

    bisco cookie crumbler

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    sure, just open the cap and see if there is any movement with the car in ready.
     
    #11 bisco, Dec 26, 2016
  12. Fazrin

    Fazrin New Member

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    I fixed the handbrake today but the lights are on still. The 12v battery life is good. Could it be the inverter pump
     
    #12 Fazrin, Dec 27, 2016
  13. Fazrin

    Fazrin New Member

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    #13 Fazrin, Dec 27, 2016
  14. bisco

    bisco cookie crumbler

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    i think you need to get the codes read with mini vci and tech stream, or take it to a dealer.
     
    #14 bisco, Dec 27, 2016
  15. Fazrin

    Fazrin New Member

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    Please advise me on the following codes

    POA63
    POA78
    POA7A
    C1311
    C1313
     
    #15 Fazrin, Jan 8, 2017
  16. dolj

    dolj Senior Member

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    P0A63 = Drive Motor "A" Phase W Current
    P0A78 = Drive Motor "A" Inverter Performance
    P0A7A = Generator Inverter Performance
    C1311 = Open in Main Relay 1 Circuit
    C1313 = Open in Main Relay 2 Circuit

    It looks like you have some serious issues with this one.

    I would say you need to work through the diagnostic decision tree in the repair manual. In the US, you can get a 2 business-day subscription for US$15 at techinfo.toyota.com, but not sure if that is accessible to you in SA.
     
    #16 dolj, Jan 8, 2017
  17. Fazrin

    Fazrin New Member

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    All this happened after changing brake pads. Could it be a speed sensor or ABS doing this? Took it to toyota and try cleared the faults but it comes on again. The inverter is fine and also the 12v battery is fine. HV battery charges also
     
    #17 Fazrin, Jan 8, 2017
  18. RobH

    RobH Senior Member

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    A while back I had the same warning lights. I think I had left the parking brake set, and after several miles travel the drag triggered the lights. Releasing the parking brake got rid of several of the lights, but the triangle one persisted. Cycling the power a number of times (5?) cleared the triangle. Never pulled any codes, and the car has been working fine after several months. I'd say the brake pads are somehow dragging.
     
    #18 RobH, Jan 8, 2017
  19. Fazrin

    Fazrin New Member

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    Thwre was a problems with 12v battery(one cell was dead) so the inverter wasn't functioning properly and the car Engine will make a noise not as normal and if I accelerate then no power. There was a whole lot of codes. When I replaced the battery the codes got cleared except for P0A63. If I clear the faults then it gets cleared but as soon as I start the car and if I accelerate or put it into D or R then the car jerk and warning lights comes on.
    It wasn't in any accidents so do you think it's an inverter failure?
    Or have to clear the codes and reset by a Toyota Dealer with a toyota kit?
    Or transaxle problem?
    Or the sensor that monitors between the inverter and transaxle?
    Yeah the inverter coolant is below low in the can
     
    #19 Fazrin, Jan 25, 2017
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