ODB protocol followed by Santro/Atos - Hyundai Forums : Hyundai Forum
 
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post #1 of 8 (permalink) Old 12-22-2011, 10:08 AM Thread Starter
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rohitbd
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ODB protocol followed by Santro/Atos

Hi, I am trying to find out what protocol my Santro (Atos) uses. The OBD connector has the following pins: 1, 4, 7, 15, 16. Of these 1 is proprietary, 4 is chassis ground and 16 is +12V. That leaves 7 and 15 - so does this imply that the OBD protocol is ISO9141 or KWP or both?
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post #2 of 8 (permalink) Old 12-22-2011, 12:38 PM
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USA is OBD-II,, early are slow speed communication, later is high speed communication ("CAN").
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post #3 of 8 (permalink) Old 12-23-2011, 01:51 AM Thread Starter
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Thanks. It is OBD-II but I want to know the hardware protocol that is being used - is it ISO9141 or KWP. Both operate at 10.4 kbaud but have different bus init and bit structure for the commands.
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post #4 of 8 (permalink) Old 09-06-2012, 06:50 AM
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Query Regarding Santro Atos

Quote:
Originally Posted by rohitbd View Post
Thanks. It is OBD-II but I want to know the hardware protocol that is being used - is it ISO9141 or KWP. Both operate at 10.4 kbaud but have different bus init and bit structure for the commands.
Dear sir,

Just saw your discussion on forum about Santro Protocol.

I own Santro Club in Pakistan(in other countries its sold with name Santro Atos or Santro Xing)

I have used aftermarket standard ELM327 scanner device to be able to diagnose my car faults. Unfortunately, device did not recognized my car.

I am in doubt what could be the reason. Is it not OBD2 Compliant?

Under the dash, i found 16 pin 1962 OBD2 connector utilized only 6 pins.
In my car pins under use are Pin# 4,5,7,8,12, 16.
What I came to know that
Pin# 4 & 5 belong to chassis and signal ground ---- Verified
Pin# 7 belong to ISO9141-2 K Line protocol ---- Not Verified
Pin 8 & 12 may be discretionary --- Not Verified
Pin 16 is Unswitched 12 V supply --- Verified

Few other countries Santro Models utilize pin # 15. But in my case, Pin 15 wire is not present in OBD2 Connector.

I have built myself OBD2 to RS232 cable connector using MAX232 . The circuit is available on website : obd protocol_Automation-Drive.

But I am not sure which software can recognize my car?

Please help me in this regard.
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post #5 of 8 (permalink) Old 09-15-2012, 06:27 PM
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DTC Code reader

Hi,

At least on the 2001 Atos-Prime GLS (1.0 liter engine), it's the ISO9141 protocol.
Got a DTC reader early 2005 from Autel, the Geniscan GS400.
It showed up to be a valuable tool on many friends cars too.

Best of all, it works too on the all new i20 gasoline (1.2 / 86hp)

Roland
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post #6 of 8 (permalink) Old 01-03-2013, 09:05 AM
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Quote:
Originally Posted by Babar View Post
Dear sir,

Just saw your discussion on forum about Santro Protocol.

I own Santro Club in Pakistan(in other countries its sold with name Santro Atos or Santro Xing)

I have used aftermarket standard ELM327 scanner device to be able to diagnose my car faults. Unfortunately, device did not recognized my car.

I am in doubt what could be the reason. Is it not OBD2 Compliant?

Under the dash, i found 16 pin 1962 OBD2 connector utilized only 6 pins.
In my car pins under use are Pin# 4,5,7,8,12, 16.
What I came to know that
Pin# 4 & 5 belong to chassis and signal ground ---- Verified
Pin# 7 belong to ISO9141-2 K Line protocol ---- Not Verified
Pin 8 & 12 may be discretionary --- Not Verified
Pin 16 is Unswitched 12 V supply --- Verified

Few other countries Santro Models utilize pin # 15. But in my case, Pin 15 wire is not present in OBD2 Connector.

I have built myself OBD2 to RS232 cable connector using MAX232 . The circuit is available on website : obd protocol_Automation-Drive.

But I am not sure which software can recognize my car?

Please help me in this regard.
Babar, I am also looking for what protocol actually santro complies to, but no information is available anywhere. The people who have HiScan doesnt even know what ISO9141 or OBD jargon is. Pity. I own a Santro Plus which has Pins 1,4,7,8,12,15 & 16. I dont know what pins 1 and 12 are for. I found somewhere that 1 is Slow Speed CAN (single Wire) [ a guy from faisalabad selling scanners assured me that santro plus is CAN bus but never mentioned the cable code] but that is standard for GM and Ford not the Hyundai. 12 is K line for AirBag but my car doesnt have Airbag!!!. After lot of tries and failure I decided to figure out the timing of my car the hard core way... used a DSO for obtaining advance angle and all other waveforms from sensors... It worked for me but not all the time a 400000 worth scope can be hooked to car (actually it costs equal to car but fortunately I have one). If you find any solution tell me please.
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post #7 of 8 (permalink) Old 01-03-2013, 09:13 AM
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Santro Sensor Scan

This is result from scanning of sensors from my Santro Plus.
Yellow is injector1
Green is CAM sensor
Blue is Ignition 1
Purple is Crankshaft Sensor

Data is good but i dont know where and how to locate TDC. Can anybody help.
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post #8 of 8 (permalink) Old 12-19-2016, 11:27 AM
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Question

I know its an old thread but .... were you guys able to solve the challenge? Any pointers will be good!!

I am currently looking for:
  1. OBD tool used w/ app
  2. H/W pinouts
  3. Protocol information - ISOXXXX?
  4. Any other useful info you have will be good!
Thanks!
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