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08-07-2009, 07:01 PM | #73 |
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Ok, I plugged the 3.3 ohm resistors into the airbag sensors and installed 10k ohm resistors between Pin 1 (SVC) and Pin 2 (SIG) and 470 ohm resistor between Pins 2 & 3...
I'm getting the SRS warning light in the instrument cluster, Passenger Airbag 'Off' and passenger seat belt light blinking.... |
08-07-2009, 07:08 PM | #74 |
Drives: 2009 Yaris Hatchback Join Date: Feb 2009
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...so now I'm totally lost. Help!
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08-07-2009, 08:24 PM | #75 |
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Did you disconnect the battery while you were unplugging the airbag, etc? If not, disconnect it for a couple of minutes and then reconnect it to reset the SRS ECU.
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08-07-2009, 08:41 PM | #76 |
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08-07-2009, 08:44 PM | #77 |
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The only thing that seems to be working correctly is the driver's side seat belt. Driver's SRS light is on, passenger's side seat belt is blinking whether the belt is inserted or not, and the passenger's airbag light says 'off'
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08-07-2009, 08:57 PM | #78 | |
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Quote:
For example, a 31 will be: flash, flash, flash, pause, flash, long pause There will be a 2.5 second pause in between each, and then a 4 second pause before the pattern repeats. Here are the pins to jump on the OBD connector: OBD- SRS.jpg |
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08-07-2009, 09:19 PM | #79 |
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Ok looks like possibly 32 (flash flash flash pause flash flash), 55, & 56... Hope that makes some sense
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08-07-2009, 09:43 PM | #80 |
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32 is Occupant Classification System Malfunction
55 is Driver side squib circuit issue 56 is Passenger side squib circuit issue After you shut off the ignition and removed the jumper the DTC's may have been cleared. With the jumper removed, turn the ignition back to on and see if the SRS light is still on. With the seat belt, did you reconnect the 4 position connector that was next to the airbag connector? |
08-07-2009, 09:49 PM | #81 | |
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Quote:
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08-07-2009, 09:57 PM | #82 |
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OK. Can you either measure one of the 3 ohm resistors with an ohm meter, or just give me the colors of the stripes to make sure that they are correct?
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08-07-2009, 10:03 PM | #83 |
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How's this?
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08-07-2009, 10:04 PM | #84 |
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I pushed one end of the wire into each of the pins of the yellow SRS connector, with the resistor in the middle
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08-07-2009, 10:19 PM | #85 |
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OK. There's one problem. That resistor is not 3 ohms, it's 3.3 Mega Ohms (which looks like an open circuit). A 3 ohm resistor will be: orange, black, gold, silver or gold
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08-07-2009, 10:26 PM | #86 |
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Goddamn it! I swear you can't trust anyone these days! The store I got them from sold them loose, not in a package, so I took their word that they were 3 ohms. I even specified not 3k or 3m!
Well at least that's one problem solved! |
08-07-2009, 10:36 PM | #87 |
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Yeah, that will fix codes 55 and 56.
For the 32, do you have enough 10K resistors (4 more) to replace the 470's with 10K's? That would move us to the middle of the sensor range, instead of off to one end, like we currently have it. |
08-07-2009, 10:38 PM | #88 |
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I don't have more, but they're easily available at the Crap Shack. You want me to replace all the resistors in the pressure sensor pins with 10k? So a total of 8 10k's and no 470's?
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08-07-2009, 10:43 PM | #89 |
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I was going to have you try that if you had them laying around. Let me go probe my still-installed sensors and I'll give you a better answer...
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08-07-2009, 10:47 PM | #90 | |
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Quote:
BTW- Through all this I totally forgot to ask- what is the expected outcome? Will I have OEM airbag function (minus, obviously, the side airbags in the old seats)? |
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