E-Class (W211) 2003-2009

SRS error resistance too low R12/13

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Old 07-28-2018, 10:21 AM
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ML350 2010, 2004 E55, 2015 E350
SRS error resistance too low R12/13

I have a 2004 W211 and the SRS message is on. When connected to Star is says the resistance is low check for short on R12/13. What is the best way to check for short on the squib? is this a typical clock spring failure?
thanks in advance.
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Williams0303 (10-05-2020)
Old 07-28-2018, 11:46 AM
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'71 Pinto
See attachments.
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SCM as of 04.pdf (96.3 KB, 779 views)
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Remove clock spring contact.pdf (225.6 KB, 748 views)
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Steering wheel.pdf (109.8 KB, 599 views)
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roselan58 (09-26-2018)
Old 07-28-2018, 01:51 PM
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ML350 2010, 2004 E55, 2015 E350
thanks
Konigstiger.
I did see this info on a post where the resistance was to high which would be an open. but mine is too low. You believe it is a bad N80 connector?
Old 07-28-2018, 02:54 PM
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'71 Pinto
STAR follow "Guided Tests" procedures for "Test Ignition Circuit With Component R12/13 or R12/14 Driver Airbag Ignition Squib 1 or 2 For Incorrect Resistance". Short cut, check connections @ driver air bag (r12/13) & control unit (n2/7).
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