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Old 10-11-2007   #11
jrd1990zr1
 
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Join Date: Dec 2005
Location: Delanson, NY
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Default Re: INF REST issue

Quote:
Originally Posted by tomtom72
Thanks John for the head's up on the location of the pass side connector!

If I'm gonna check the driver's side connector....I'm gonna do the pass side also.


Tom
Tom,

I had a similar problem. Cleaned both sensors, cleared the codes worked for about 6 months. Then the code came back for passenger side. pulled the plug apart in the passenger foot well, cleared the code and has been working since.

Someone told me not to use dielectric grease on the bolts and connectors, it could cause an open in the circuit.

Clearing the codes is a PITA

John
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1968 convertible Lemans Blue,
1986 coupe Medium Blue NCRS Top Flight (sold),
1990 ZR1 #2529 Red NCRS Regional and National Top Flight (sold),
1990 ZR1 #2124 Charcoal Metallic NCRS Top Flight 2010 & 2018,
2003 Anniversary Red Convertible (sold)
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Old 10-12-2007   #12
tomtom72
 
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Location: Jacksonville, FL USA
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Default Re: INF REST issue

Thanks John for your thoughts. I did the proceedure described over at the netreg site about correcting the frame grounding issue as soon as I got my Z.

I redid the driver's side sensor as my DIC is giving me a code 16, but there was no corrosion to interfere with the frame ground. I figured the next thing was to ohm out the sensor as per the FSM proceedure but I was caught off gaurd by the admonishments in the FSM about using a VOM. The FSM says to use this K-M tool kit for testing on the SIR system.

The warnings gave me pause to think about what I was doing. I reasoned that I can't see what could go wrong if I used my VOM to ohm out the sensor only and not any other part of the system.

Hopefully today I will have time to ohm the sensor to see if it is the cause of the code 16. I can't find any corrosion at any of the connectors' terminals and on the frame....I'm hoping I can isolate the trouble with my VOM and not set off the bag or harm any of the other parts in the system....I just can't figure what could go wrong if I ohm out just the sensor and not any other part of the system.


Tom
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Old 10-12-2007   #13
jrd1990zr1
 
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Location: Delanson, NY
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Default Re: INF REST issue

Tom,

I disconnected my battery for about 1/2 hour then disconnected the yellow sensor lead from the sensor inside at the passenger footwell. Then used the procedure to test the resistance, used an ohm meter on the sensor. It checked out OK. Cleaned up the pins on the connector and put it back together, Cleared the code and (knock on wood) has worked since. The lock that holds the connector together or the connector itself might have loosened up, at least on my car.

Best Regards, John
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1968 convertible Lemans Blue,
1986 coupe Medium Blue NCRS Top Flight (sold),
1990 ZR1 #2529 Red NCRS Regional and National Top Flight (sold),
1990 ZR1 #2124 Charcoal Metallic NCRS Top Flight 2010 & 2018,
2003 Anniversary Red Convertible (sold)
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