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Author Topic: "testerul OBD" - ce este si cum se foloseste  (Read 774 times)
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adrian_r5
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« on: September 30, 2010, 12:02:55 PM »

Pornind de la afirmatia de aici colegului unde "Va traduc eu toti parametrii aia, dar nu cred ca e aici nici locul, nici momentul potrivit" ... m-am gindit ca ar fi bine sa initiez un topic pe aceasta tema ... topic din care sa aflam si noi care este "taina" cu acest "tester OBD" 
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     "esics 1.5 geleics se"

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« Reply #1 on: September 30, 2010, 01:31:22 PM »

 Treaba cu acest tester OBD e cam asa: pe vremuri meseria de mecanic era bine platita. Trebuiau cunoscute o gramada de detalii si chichite. Numai despre tipurile de carburator si reglarea lor se pot scrie tratate intregi. Drept urmare, producatorii au ajuns la concluzia ca trebuie sa inlocuiasca mecanicii cu electronica, iar suruburile de reglaj cu senzori.

 Now, back to the subject:

DTC_CNT          0
numarul de DTC-uri (Diagnotic trouble codes, pe romaneste coduri de eroare)

LOAD_PCT(%)   32.9
Calculated Load Value. Cam mare, chiar si pentru un motor rece, desi valoarea de mai jos arata ca motorul nu era rece.

ETC(°C)         86
Engine Coolant Temperature sua pe romanestew temperatura zemii de racire.

MAP(kPa)       100
Intake Manifold Absolute Air Pressure. Ca sa determine cita benzina sa injecteze, ECU are nevoie sa stie cit aer intra in motor.

RPM(/min)      828
Turatia motorului

VSS(km/h)        0
Vehicle Speed Sensor. In cazul nostru masina sta pe loc.

IAT(°C)         41
Intake Air Temperature. Se foloseste pentru a corecta calculul cantitatii de aer.

MAF(g/s)      6.47
Mass AirFlow Sensor sau debitmetrul pe romaneste. Masoara grame/secunda.

TP(%)        100.0
Absolute throttle position sau pe romaneste pozitia clapetei de acceleratie. In cazul de fata nu cred ca era "pedal to the metal"

OBD           EOBD
Tipul de OBD, in cazul de fata Europe On-Board Diagnostics

MIL_DIST(km)     0
Distanta parcursa cu MIL (Malfuntion indicator lamp - check engine) aprins.
« Last Edit: September 30, 2010, 01:40:11 PM by unde » Logged



Suzuki Jimny 1.3i 2004
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« Reply #2 on: September 30, 2010, 01:45:10 PM »


LOAD_PCT(%)   32.9
Calculated Load Value. Cam mare, chiar si pentru un motor rece, desi valoarea de mai jos arata ca motorul nu era rece.



Hmm...si unde adica ar fi problema?

L.E. Este un motor diesel
« Last Edit: September 30, 2010, 01:47:22 PM by cristyyy2003 » Logged



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« Reply #2 on: September 30, 2010, 01:45:10 PM »

2% pentru SuzukiClub ROMANIA!

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« Reply #3 on: September 30, 2010, 03:10:44 PM »

Hmm...si unde adica ar fi problema?

L.E. Este un motor diesel

 Nu am idee. Din ce vad eu acolo datele au fost citite la relanti, caz in care load-ul ar fi trebuit sa fie sub 5% (fara AC), dar poate e vorba de altceva. Daca e un turbo-diesel, atunci asta ar putea fi o explicatie:

Quote
LOAD_PCT =
[current airflow] / [(peak airflow at WOT@STP as a function of rpm) * (BARO/29.9
2) * SQRT(298/(AAT+273))]

Where:

STP = Standard Temperature and Pressure = 25 °C, 29.92 in Hg BARO,
SQRT = square root, 
WOT = wide open throttle,
AAT = Ambient Air Temperature and is in °C Characteristics of

LOAD_PCT are: Reaches 1.0 at WOT at any altitude, temperature or rpm for
both naturally aspirated and boosted engines. 

Indicates percent of peak available torque. 
Linearly correlated with engine vacuum 
Often used to schedule power enrichment. 

Compression ignition engines (diesels) shall support this PID using fuel
flow in place of airflow for the above calculations.

Sursa: https://www.scantool.net/forum/index.php?topic=694.0%3Bwap2
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« Reply #4 on: September 30, 2010, 03:13:14 PM »

E un turbo diesel si m'am cam jucat la acceleratie  in timpul testului
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« Reply #4 on: September 30, 2010, 03:13:14 PM »

Suzuki goodies: Hanorace SuzukiClub

Vrei si tu?

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« Reply #5 on: October 01, 2010, 02:58:56 PM »

 Atunci asta ar putea fi o explicatie
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« Reply #6 on: October 26, 2010, 10:22:54 AM »

OBDII cable spliter - daca stiti mai multe despre acest gen de "divais" (experiente proprii ... sfaturi ... pareri ... indicatii ... contraindicatii ...) ... v-as ruga sa ni le impartasiti 
« Last Edit: October 26, 2010, 10:36:38 AM by adrian_r5 » Logged



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« Reply #7 on: October 26, 2010, 10:46:55 AM »


cred ca esti unicul care are nevoie de asa ceva. si mai cred ca o sa fi tot unicul care vei aparea cu asa ceva, si cu detalii

parerea mea e ca e un simplu splitter fara alte adaptari amplificari sau alte cele
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