Gen 2 Prius Technical Discussion

Come discuss the technical ins and outs of the 2nd Generation 2004-2009 Toyota Prius and the Hybrid Synergy Drive System.

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  1. landspeed

    Landspeed's HV battery + ECU teardown, analysis, experiment, upgrade thread

    landspeed, Feb 20, 2019 ... 2 3
    Replies:
    59
    Views:
    29,067
    Rami Boul
    Rami Boul
    Feb 3, 2025
  2. tkc100

    LED Load Resistor?

    tkc100, Feb 2, 2025
    Replies:
    2
    Views:
    903
    dolj
    dolj
    Feb 3, 2025
  3. David Hoult

    Diagrams of rear suspension. Need to replace all bushings

    David Hoult, Jan 31, 2025
    Replies:
    6
    Views:
    1,370
    Tombukt2
    Tombukt2
    Feb 2, 2025
  4. ColoradoCrow

    Up late. Need help ASAP. Battery cell closest toECU. Neg or POS?

    ColoradoCrow, Jan 29, 2025
    Replies:
    1
    Views:
    775
    Hayslayer
    Hayslayer
    Jan 30, 2025
  5. timthecyclist25

    Just replaced my brake actuator now have C1345 & C1368

    timthecyclist25, Dec 9, 2018
    Replies:
    14
    Views:
    40,446
    djimbuser
    djimbuser
    Jan 29, 2025
  6. uk_diag

    Help Needed: Customer Dispute After Key Programming for 2005 Prius

    uk_diag, Jan 18, 2025
    Replies:
    15
    Views:
    1,664
    cyberpriusII
    cyberpriusII
    Jan 29, 2025
  7. StillKedar

    Prius gen 2 Death triangle randomly appears

    StillKedar, Jan 22, 2025
    Replies:
    7
    Views:
    1,511
    Brian1954
    Brian1954
    Jan 27, 2025
  8. S Keith

    How to test HV battery state of health on your Gen 2 (answer)

    S Keith, Mar 14, 2016 ... 3 4 5
    Replies:
    99
    Views:
    64,834
    ToyotaCoyotta
    ToyotaCoyotta
    Jan 27, 2025
  9. Bill J

    Parasitic 12 volt Battery After LCD Repair

    Bill J, Jan 26, 2025
    Replies:
    1
    Views:
    636
    bisco
    bisco
    Jan 26, 2025
  10. retirednongeek

    DrPrius Test Results

    retirednongeek, Jan 17, 2025
    Replies:
    4
    Views:
    1,239
    mr_guy_mann
    mr_guy_mann
    Jan 25, 2025
  11. pasadena_commut

    How exactly does a blown head gasket clean pistons?

    pasadena_commut, Jan 25, 2025
    Replies:
    10
    Views:
    1,328
    mr_guy_mann
    mr_guy_mann
    Jan 25, 2025
  12. pasadena_commut

    Refill ICE coolant loop through drain valve under thermos?

    pasadena_commut, Jan 18, 2025
    Replies:
    6
    Views:
    1,008
    Tombukt2
    Tombukt2
    Jan 21, 2025
  13. RadarWatch

    Brake System Issues (ABS, BRAKE, VSC)

    RadarWatch, Nov 8, 2021 ... 2
    Replies:
    29
    Views:
    18,336
    dolj
    dolj
    Jan 19, 2025
  14. uk_diag

    Toyota Prius 2005 all keys lost (EU)

    uk_diag, Jan 10, 2025
    Replies:
    6
    Views:
    1,316
    uk_diag
    uk_diag
    Jan 18, 2025
  15. knettle3

    mini vci question

    knettle3, Mar 8, 2017
    Replies:
    8
    Views:
    3,306
    mr_guy_mann
    mr_guy_mann
    Jan 17, 2025
  16. e9coupe

    Brake fluid level slowly going down after actuator replacement

    e9coupe, Jan 13, 2025
    Replies:
    4
    Views:
    1,076
    Tombukt2
    Tombukt2
    Jan 15, 2025
  17. Tombukt2

    Gen 2 no or little heat

    Tombukt2, Jan 8, 2025
    Replies:
    15
    Views:
    1,398
    Tombukt2
    Tombukt2
    Jan 14, 2025
  18. priusunum

    charging procedure for 12 volt battery

    priusunum, Dec 30, 2006 ... 2
    Replies:
    25
    Views:
    22,829
    johnHRP
    johnHRP
    Jan 14, 2025
  19. pasadena_commut

    FYI: battery charger tests with V vs. t and I vs. t plots

    pasadena_commut, Jan 12, 2025
    Replies:
    2
    Views:
    917
    pasadena_commut
    pasadena_commut
    Jan 12, 2025
  20. Loanshark

    Transaxle fluid... to change or not

    Loanshark, Jul 7, 2016
    Replies:
    11
    Views:
    4,558
    ETC(SS)
    ETC(SS)
    Jan 11, 2025
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Page 12 of 343