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97 Town & Country Lxi, 3.8L eng. Not getting any voltage on ...
Sent to Car Experts October 12 08:32 AM

97 Town & Country Lxi, 3.8L eng. Not getting any voltage on Pin 16 of OBD port. Have some info from "ALLDATADIY" about BCM trouble shooting, but no info about pinout/schematics for Junction Block. When I apply power directly from battery to pin 16, all car functions work fine. Without jumper RKE, interior lights, radio stop working. ALL fuses good. I suspect bad wire and/or connection between PCM and Junction Block. All help appreciated.

Customer (name blocked for privacy)
Status:  Closed   Value: $5
Answer
October 12 8:45 AM (12 minutes and 49 seconds later)
         
REPLIEDCheck Mark

Power comes from power distribution center fuse #10, A 10 amp fuse Look for bad conection at C4 conector at the junction block.

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Edited by enginboy on October 12 2005 at 8:48 AM
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Marc -- Technician -- 98% Positive Feedback on 1029 Car Accepts
33 years exp. automotive repair NYS emisisions repair cert.
Reply
October 12 10:09 AM (1 hour and 24 minutes and 24 seconds later)
         
Reply to Marc's Post: Can you provide more data about pinout for junction block and/or how to troubleshoot problem. What do think...bad/loose connection at/within junction block or bad/loose connection coming out of PDC?

Thanks

chuck
Customer (name blocked for privacy)
Info Request
October 12 10:13 AM (4 minutes and 1 second later)
         

It is all right there Pin 16 (of the obd port) is powered by fuse # 10 you have to do the foot work now and find the open in the circuit.

What, don't you understand about the schematic?



Edited by enginboy on October 12 2005 at 10:18 AM
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Marc -- Technician -- 98% Positive Feedback on 1029 Car Accepts
33 years exp. automotive repair NYS emisisions repair cert.
Reply
October 12 10:31 AM (17 minutes and 25 seconds later)
         
No prob with "decoding" the schematic....guess I will have to dismantle bcm/junction block to do actual physical inspection of wires/connectors etc.

thanks
Customer (name blocked for privacy)
Answer
October 12 10:46 AM (15 minutes and 17 seconds later)
         
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Marc -- Technician -- 98% Positive Feedback on 1029 Car Accepts
33 years exp. automotive repair NYS emisisions repair cert.
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