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Old 04-22-2015, 11:30 AM
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87tdwagen 87tdwagen is offline
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Join Date: Aug 2005
Location: Sunny Ft. Lauderdale
Posts: 933
Another update and still need help...
Some great suggestions have come my way, here's what I have done and still having the problem, so please provide additional suggestions of what else to check.

My engine wiring harness is the newer Delphi post-bio harness, so ruling that out as a problem
The ETA (EA) is also a 2005 version replaced by the PO, opened it up and it looks pristine including the wiring (pigtail) again, post-bio unit, do see this as the cause.
Replaced the brake light switch (cheap to do) no change, still have ASR light on.
Checked rear tail lamp units for grounding problems, found a brake bulb loos in its holder, extended the spring, tightened and cleaned the connections, still have the ASR light.

The only codes that I have are as follows:
DM button or (pin 3) 17 blinks
Pin 8 42 blinks
Pin 14 none, nothing, nada

Voltage to pins 3 and 8 are 11.7V and to pin 14 only 10.7V, a volt is lost somewhere but enough that I cannot retrieve any codes from this pin.

OVP fuse is good and the relay is 000 540 67 45, so should be the later good relay.

I'm down to the codes that I can pull, which indicates somewhere communication is lost (CAN communication from ASR, EA/CC/ISC module or diagnostic module (OBD II) faulty).

As mentioned the EA and harness and connector all look good.
The CC not sure what to check, although now with the ASR light on it is disabled???
ISC module, again not sure what test I can do. Currently the car starts and idles higher than normal, but because of the ASR light I assume. Had no idle problems before the ASR came on. Ideas on how to test???
Lastly the DM module itself, as stated above I have low voltage to pin 14 preventing a code reading from that pin. Any ideas of how to test this lead specifically or what might cause this???

TIA
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Last edited by 87tdwagen; 04-22-2015 at 12:05 PM.
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