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Thread: Avanza Check Engine Light

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  1. #1
    Join Date
    Jul 2008
    Posts
    503

    Default Re: Avanza Check Engine Light

    mga sir,

    baka yung engine management module ang sira, may na basa kasi akong article tungkol dyan... hanggang nasa warranty period pa dapat kulitin yung kasa na gawin kasi nasa computer box yung module, dalawang klase daw yan umiilaw yung malfunction light or yung rpm d stable bigla siyang magdrop kala mo nag-auto yung aircon pero pag inobserbahan di naman...ang problema alam ng kasa yung ganyang problema, nahihirapan lng sila kumuha ng replacement parts kaya nag-papalusot sa explanation

  2. #2
    Join Date
    Apr 2008
    Posts
    231

    Default Re: Avanza Check Engine Light

    mga sir... i try nyo alisin yung connection sa battery for about 20mins. para mag reset yung computer box..dpa naman nangyari ito sa vanzy ko pero sa lancer ko e nangyari na itong ganito kaso...ayun nang mag reset di ko na ulit nakita na umilaw yung check engine light.

  3. #3
    Join Date
    Aug 2005
    Posts
    7,186

    Default Re: Avanza Check Engine Light

    Quote Originally Posted by Cherey View Post
    mga sir... i try nyo alisin yung connection sa battery for about 20mins. para mag reset yung computer box..dpa naman nangyari ito sa vanzy ko pero sa lancer ko e nangyari na itong ganito kaso...ayun nang mag reset di ko na ulit nakita na umilaw yung check engine light.
    Binabalak ko nagawin itong method na ito dati pa. hindi ko lang naasikaso.

  4. #4
    Join Date
    Aug 2005
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    7,186

    Default Re: Avanza Check Engine Light

    duplicate post
    Last edited by meledson; September 24th, 2008 at 07:30 AM.

  5. #5
    Join Date
    Aug 2005
    Posts
    7,186

    Default Re: Avanza Check Engine Light

    Last Sunday, I have disconnected the negative terminal of the battery for at least 5 mins. Unfortunately no effect. nanduon pa rin ang paminsan-minsan ilaw ng check engine light.

  6. #6
    Join Date
    Oct 2002
    Posts
    2,719

    Default Re: Avanza Check Engine Light

    may na-fla flag na error don sa air intake.. pero ni check naman nila wala daw problema.. ni check din daw nila lahat nang sensor.. mahigpit naman daw lahat..
    a diligent serviceman would replace the related sensor to eliminate the possibility of a flaky sensor ... an intermittently failing sensor is very likely to pass a go/no-go test so the only way to verify the diagnosis is to replace it

  7. #7
    Join Date
    Sep 2005
    Posts
    15,310

    Default Re: Avanza Check Engine Light

    pansin ko din.. madalas na umilaw yung MIL ko.. dati eh parang once a day lang.. ngayon minsan nag susunod sunod na.. 16T na odo ko.. so 1T kms ko na ni o observe.. tinawag ko na ulit sa Toyota shaw.. sabi ko kung walang problema eh di baka sira yung sensor kaya ilaw nang ilaw.. i check daw nila ulit sa computer.. ipasok ko daw.. kung wala talagang problema.. eh papalitan yung sensor daw.. kaya lang 3 days daw yun.. tsk tsk tsk tsk

  8. #8
    Join Date
    Dec 2007
    Posts
    3,938

    Default Re: Avanza Check Engine Light

    Quote Originally Posted by _Qwerty_ View Post
    pansin ko din.. madalas na umilaw yung MIL ko.. dati eh parang once a day lang.. ngayon minsan nag susunod sunod na.. 16T na odo ko.. so 1T kms ko na ni o observe.. tinawag ko na ulit sa Toyota shaw.. sabi ko kung walang problema eh di baka sira yung sensor kaya ilaw nang ilaw.. i check daw nila ulit sa computer.. ipasok ko daw.. kung wala talagang problema.. eh papalitan yung sensor daw.. kaya lang 3 days daw yun.. tsk tsk tsk tsk
    [RANT MODE ON]

    3 DAYS JUST TO REPLACE A SENSOR?!?!?! Pinaglololoko na tayo ng mga iyan!

    Pinatatagal lang nila para hindi mo na ipasok sa casa, siyempre, malaking abala iyung 3 araw na wala ang sasakyan mo...

    [RANT MODE OFF]

  9. #9
    Join Date
    Dec 2007
    Posts
    3,938

    Default Re: Avanza Check Engine Light

    Quote Originally Posted by meledson View Post
    Last Sunday, I have disconnected the negative terminal of the battery for at least 5 mins. Unfortunately no effect. nanduon pa rin ang paminsan-minsan ilaw ng check engine light.
    I think dapat at least 20 minutes ang pagtanggal, Pres.

    Gawin mo na kayang 1 hour or overnight for good measure?

  10. #10
    Join Date
    Jun 2006
    Posts
    254

    Default Re: Avanza Check Engine Light

    Quote Originally Posted by woohoo View Post
    I think dapat at least 20 minutes ang pagtanggal, Pres.

    Gawin mo na kayang 1 hour or overnight for good measure?

    Bro

    Usually mag disconnect ka ng negative terminal to reset ang ecu pag nagpalit ka ng let's say, air filter, fuel pressure regulator, or related things para pag restart mo the ecu will "think" na di alien ang bagong pyesa. It doesnt matter whether 5, 20 mins or 1 hour mo disconnect ang negative terminal. Pag di talaga nawala ang check engine lights, chances are, there is a faulty sensor or component na ang engine diagnostics lang ang solution sa casa hindi pwede sikip or silip lang. Lalo sa areas ng Air intake ang sensor nyan sa mass air flow is a fine wire na very sensitive kaya pag nagagalaw ng alanganin, will give erratic readouts, sa vanzy ata Throttle position sensor sya then me air meter sensor un nasa back ng air filter box natin. Sa mga mitsu (sorry OT) me mass airflow sensor ang mga yan kaya very sensitive pag dumumi ang air filter.

    Jun

  11. #11
    Join Date
    Sep 2005
    Posts
    15,310

    Default Re: Avanza Check Engine Light

    i noticed pala.. na reset yung pre-set nang radio ko.. so baka ni disconnect nang Toyota Shaw yung battery.. kaya na reset yung radio ko.

  12. #12
    Join Date
    Aug 2005
    Posts
    7,186

    Default Re: Avanza Check Engine Light

    Quote Originally Posted by junlatorre View Post
    Bro

    Usually mag disconnect ka ng negative terminal to reset ang ecu pag nagpalit ka ng let's say, air filter, fuel pressure regulator, or related things para pag restart mo the ecu will "think" na di alien ang bagong pyesa. It doesnt matter whether 5, 20 mins or 1 hour mo disconnect ang negative terminal. Pag di talaga nawala ang check engine lights, chances are, there is a faulty sensor or component na ang engine diagnostics lang ang solution sa casa hindi pwede sikip or silip lang. Lalo sa areas ng Air intake ang sensor nyan sa mass air flow is a fine wire na very sensitive kaya pag nagagalaw ng alanganin, will give erratic readouts, sa vanzy ata Throttle position sensor sya then me air meter sensor un nasa back ng air filter box natin. Sa mga mitsu (sorry OT) me mass airflow sensor ang mga yan kaya very sensitive pag dumumi ang air filter.

    Jun
    The error code may be cleared kaso dahil sa may problem sa sensor, iilaw pa rin ang check engine light.

    I did the removing of the negative terminal of the battery. Did not work.

    Question: What is a mass airflow sensor?

    The problematic sensor was an air temperature sensor after the air filter.

  13. #13
    Join Date
    Dec 2007
    Posts
    3,938

    Default Re: Avanza Check Engine Light

    Quote Originally Posted by meledson View Post
    Last Sunday, I have disconnected the negative terminal of the battery for at least 5 mins. Unfortunately no effect. nanduon pa rin ang paminsan-minsan ilaw ng check engine light.
    I think dapat at least 20 minutes ang pagtanggal, Pres.

    Gawin mo na kayang 1 hour or overnight for good measure?

  14. #14
    Join Date
    Sep 2008
    Posts
    9

    Thumbs down good!

    bump the thread up.

  15. #15
    Join Date
    Aug 2005
    Posts
    7,186

    Default Re: Avanza Check Engine Light

    Quote Originally Posted by woohoo View Post
    I think dapat at least 20 minutes ang pagtanggal, Pres.

    Gawin mo na kayang 1 hour or overnight for good measure?
    Tanggalin ang negative battrey connector mamayang gabi or tomorrow night.

  16. #16
    Join Date
    Sep 2005
    Posts
    15,310

    Default Re: Avanza Check Engine Light

    update ko lang dito..

    ganon pa din.. ilaw pa din nang ilaw yung MIL ko.. di ko pa din madala sa CASA kasi ang sabi nung SA ko 3 days nga daw.. tapos i schedule pa nila..

    last night, Oct. 21, I sent an email to Toyota.. asking them kung talaga bang 3 days kailangan iwan sasakyan just to change the MIL sensor... then 5 minutes ago.. the head of Customer service of Toyota Shaw called me and informed me na gagawin daw nila in 1 day daw.. so iwan ko daw nang Monday kunin ko na nang Tuesday..

    sana nga maayos na nila yun at sana sensor nga lang ang problema.

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