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Comer352L / FreeSSM

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J2534 connection issue #56

Open frufru99 opened 1 year ago

frufru99 commented 1 year ago

Hi, I compiled FreeSSM on a laptop I use for diagnostics running Windows 7, I have a J2534 cable /like this: https://www.aliexpress.com/item/672381461.html / which I use for Techstream. I wanted to use this cable with FreeSSM on a Forester SG, if I select XHorse MVCI in preferences the interface test fails with the warning that the interface does not support SSM1 protocol but I think it’s not communicating at all. What could be the problem?

Comer352L commented 1 year ago

Does your interface/dll support ISO-9141/ISO-14230 ? J2534-interfaces never support the SSM1 procotol, but the test result should contain only a warning about that. If the interface test dialog really shows an error, please

frufru99 commented 1 year ago

Thanks for the fast response! I couldn’t find much info about the cables capabilities, it’s a basic xhorse clone cable for Techstream. I compiled a new version as debug and for some strange reason this one passes the test /with ssm1 and ssm2 error/ and I can communicate with the engine module but not with the ABS. I attached the log. mylog.log

L1800Turbo commented 1 year ago

ABS will most likely not work, as it's usually SSM1 protocol at that time.

rfourneret commented 1 year ago

Is freessm able to read abs module through ssm1 ? I have a compiled version

Le jeu. 22 déc. 2022 à 17:33, L1800Turbo @.***> a écrit :

ABS will most likely not work, as it's usually SSM1 protocol at that time.

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L1800Turbo commented 1 year ago

Yes, that's possible. If the RomID is unknown, it's possible to add it to the xml, but you can try with connecting to get the RomID.

Comer352L commented 1 year ago

Which model year is it ? IIRC later models use (standard) ISO-14230, which is currently not supported. Anyway, if you have a FTDI cable at hand you should try it.

Comer352L commented 1 year ago

Looks like you have installed 2 J2534 interface libraries:

Found 2 registered J2534-libraries:

  Name:        TIS Techstream VIM   Path:        C:\Program Files\Toyota Diagnostics\Techstream\Bin\ComTol32.dll   API-version: 04.04   Protocols:   CAN ISO14230 ISO15765 ISO9141 J1850PWM J1850VPW

  Name:        XHorse - MVCI   Path:        C:\Program Files\XHorse Electronics\MVCI Driver for TOYOTA TIS\MVCI32.dll   API-version: 04.04   Protocols:   CAN ISO14230 ISO15765 ISO9141 J1850PWM J1850VPW

Maybe you can try the "TIS Techstream VIM", too. The J2534 spec leaves room for interpretation in several places and libraries are often buggy...

The "XHorse - MVCI" interface library for example doesn't follow the spec concerning the ExtraDataIndex of messages. That's not a problem, communication looks good.

frufru99 commented 1 year ago

The car is not here right now, I'll try this after the holidays. If I want to check the ABS modul a basic VAG cable is the best option? Thanks again and Merry Christmas!

L1800Turbo commented 1 year ago

A VAG cable is usually a K-Line interface, that doesn't work. If the ABS is using SSM1 you need a 5V level RX and TX. So usually something like an FTDI adapter from USB to TTL signal.

rfourneret commented 1 year ago

How / where to connect the rx tx signals for the abs on a newer car (2003 forester for example)And on an older one (93 turbo legacy) if thats even supported ? Le ven. 23 déc. 2022 à 18:53, L1800Turbo @.***> a écrit :

A VAG cable is usually a K-Line interface, that doesn't work. If the ABS is using SSM1 you need a 5V level RX and TX. So usually something like an FTDI adapter from USB to TTL signal.

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L1800Turbo commented 1 year ago

For the older yellow connector like this: image

You use pin 2 as TX, pin 3 as RX and pin 9 as GND.

On the newer CARB OBD connector you have pins 4/5 for GND, the others should be 12 as TX and 13 RX.

rfourneret commented 1 year ago

I don't have the manuals on hand, are these ABS specific pins or they are the same as for ECU comms ?

Le ven. 23 déc. 2022 à 19:02, L1800Turbo @.***> a écrit :

For the older yellow connector like this: [image: image] https://user-images.githubusercontent.com/2099915/209385025-acc9db62-f747-4400-9ddd-dfde4e2bc822.png

You use pin 2 as TX, pin 3 as RX and pin 9 as GND.

On the newer CARB OBD connector you have pins 4/5 for GND, the others should be 12 as TX and 13 RX.

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L1800Turbo commented 1 year ago

They are more SSM version specific. As for the Forester SG, you have SSM2 for ECU and TCU and (as I would guess) SSM1 for the ABS module. So SSM2 is shared on a single K Line pin, while SSM1 uses the RX and TX lines with 5V level. The mentioned pins are for communication with SSM1.

On the 1st gen Legacy you only have SSM1, so that ECU and TCU share the pins 2 and 3 on the yellow connector. ABS doesn't provide any diagnostic connection, you'd have to watch the LED under the passenger seat. Cruise control and Auto A/C use another clocked SSM protocol.

rfourneret commented 1 year ago

So on which pins should I connect the TTL RX TX on the SG forester to read the ABS ?

Thx

Le lun. 26 déc. 2022 à 12:03, L1800Turbo @.***> a écrit :

They are more SSM version specific. As for the Forester SG, you have SSM2 for ECU and TCU and (as I would guess) SSM1 for the ABS module. So SSM2 is shared on a single K Line pin, while SSM1 uses the RX and TX lines with 5V level. The mentioned pins are for communication with SSM1.

On the 1st gen Legacy you only have SSM1, so that ECU and TCU share the pins 2 and 3 on the yellow connector. ABS doesn't provide any diagnostic connection, you'd have to watch the LED under the passenger seat. Cruise control and Auto A/C use another clocked SSM protocol.

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Comer352L commented 1 year ago

In the OBD2 connector, pins 12 (Tx) abd 13 (Rx) are used.

If these pins are not wired, there is no ECU which uses the old protocol.

rfourneret commented 1 year ago

Thx i ll give it a try

Le mer. 15 mars 2023 à 20:54, Comer352L @.***> a écrit :

In the OBD2 connector, pins 12 (Tx) abd 13 (Rx) are used.

If these pins are not wired, there is no ECU which uses the old protocol.

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rfourneret commented 1 year ago

I get the message that connection is successful but the definition is Not present. Anyway to add it ?

Le mer. 15 mars 2023 à 20:54, Comer352L @.***> a écrit :

In the OBD2 connector, pins 12 (Tx) abd 13 (Rx) are used.

If these pins are not wired, there is no ECU which uses the old protocol.

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L1800Turbo commented 1 year ago

On the main screen (or in the terminal) you should see a RomID. Can you mention it?

rfourneret commented 1 year ago

No rom ID but here are the IDs present in my dump, one of them is the ABS and the other one probably the cruise control but not sure which ones :

SG Forester :

70 D4 00

73 DB A0

BH LEGACY :

79 B4 00

72 BB A0

Le sam. 18 mars 2023 à 06:57, L1800Turbo @.***> a écrit :

On the main screen (or in the terminal) you should see a RomID. Can you mention it?

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L1800Turbo commented 1 year ago

Okay, I don't have these RomIDs yet, they're surely similar, but newer than the ones from the '97 version. I'll have to get them analyzed first.

As for the assignment, it'll propably be like this: xx xB xx: ABS xx x4 xx: CruiseControl

rfourneret commented 1 year ago

Cool, thanks!

Yea they are 2003. Im pretty familiar with the old ssm1 ecu but have no info whatsoever on the abs diag so i ll wait, would be awwsome if we can add definitions for this generation.

Le sam. 18 mars 2023 à 14:03, L1800Turbo @.***> a écrit :

Okay, I don't have these RomIDs yet, they're surely similar, but newer than the ones from the '97 version. I'll have to get them analyzed first.

As for the assignment, it'll propably be like this: xx xB xx: ABS xx x4 xx: CruiseControl

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Comer352L commented 1 year ago

The ECUs of the Legacy BH use same definitions which are already present in the definition files. Right now, their usage is restricted to ECUs with ID byte 1 = 0x76 (ABS) and 0x74 (CC). I'm going to modify the definitons to support ranges for this byte. If you can't wait, you can modify the lines "" in the corresponding xml files (0x72 for the ABS, 0x79 for the CC) for testing.

The ECUs of the Forester SG are a bit different. It seems like they support a few MBs/SWs more/less...

rfourneret commented 1 year ago

Anyway to get something runing for testing on the forester ? It’s the one I’m having abs issues to diagnose. Le dim. 19 mars 2023 à 22:19, Comer352L @.***> a écrit :

The ECUs of the Legacy BH use same definitions which are already present in the definition files. Right now, their usage is restricted to ECUs with ID byte 1 = 0x76 (ABS) and 0x74 (CC). I'm going to modify the definitons to support ranges for this byte. If you can't wait, you can modify the lines "" in the corresponding xml files (0x72 for the ABS, 0x79 for the CC) for testing.

The ECUs of the Forester SG are a bit different. It seems like they support a few MBs/SWs more/less...

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rfourneret commented 1 year ago

That’s weird now I get this on the legacy : I see system type 4mt, the rom id and number of data / switches but also error message no or invalid answer from ecu.

Le dim. 19 mars 2023 à 22:44, Rafael Fourneret @.***> a écrit :

Anyway to get something runing for testing on the forester ? It’s the one I’m having abs issues to diagnose.

Le dim. 19 mars 2023 à 22:19, Comer352L @.***> a écrit :

The ECUs of the Legacy BH use same definitions which are already present in the definition files. Right now, their usage is restricted to ECUs with ID byte 1 = 0x76 (ABS) and 0x74 (CC). I'm going to modify the definitons to support ranges for this byte. If you can't wait, you can modify the lines "" in the corresponding xml files (0x72 for the ABS, 0x79 for the CC) for testing.

The ECUs of the Forester SG are a bit different. It seems like they support a few MBs/SWs more/less...

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-- Rafael FOURNERET Directeur, ZmajaDev Beograd, Zmaja od Nocaja 13a, 11158 Belgrade, Serbia Téléphone :

France : +33 1 84 25 10 07 Serbie : +381 6 03 56 92 26

Mail : @.*** Skype : rafaelfourneret

Comer352L commented 1 year ago

Please be patient, I'm busy with other stuff at the moment. The plan is to get back to this next weekend.

Comer352L commented 1 year ago

Please share some details about both vehicles (MY, Engine, MT/AT, VDC yes/no, market). Send me a private mail (see "About" dialog in the software), I will prepare something to test for you with detailed instructions.

rfourneret commented 1 year ago

I sent you info in an email just to check you got it.

Le dim. 26 mars 2023 à 14:08, Comer352L @.***> a écrit :

Please share some details about both vehicles (MY, Engine, MT/AT, VDC yes/no, market). Send me a private mail (see "About" dialog in the software), I will prepare something to test for you with detailed instructions.

— Reply to this email directly, view it on GitHub https://github.com/Comer352L/FreeSSM/issues/56#issuecomment-1484077240, or unsubscribe https://github.com/notifications/unsubscribe-auth/AATTVWIMOXEIHS4ZDWZYVXTW6AWS7ANCNFSM6AAAAAATFA7Y4M . You are receiving this because you commented.Message ID: @.***>

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