Subject	I tested the PTU with a multimeter per the FSM
Posted by	-Grimm- on August 12, 2013 at 4:03 PM
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In Reply To	its turning over or u just hear the starter spinning? (n/m) posted by 300ZMang on August 11, 2013 at 07:14 PM
Message	And it tested 'bad' on item 3, infinite resistance between G and pins 1 and 2 (3, 4, 5, 6 had infinite resistance). Pin 1 and 2 showed about 1600 ohms resistance. According to the FSM test this PTU is bad. I will sub in a known good PTU and CAS and see what happens.
Follow Ups	1990 TTZ Won't Fire - -Grimm- 08:08:45 08/09/13 A little more info... - -Grimm- 08:13:04 08/09/13 If you have spark, fuel and air, it should start. I would - CmyZ 09:12:35 08/09/13 I will see if I can borrow an ECU. - -Grimm- 10:38:35 08/09/13 What possible causes would make the ECU to go bad? - -Grimm- 10:49:44 08/09/13 Re: 1990 TTZ Won't Fire - rhombicblue 17:59:15 08/09/13 I just replace the head gaskets - -Grimm- 18:58:02 08/09/13 its turning over or u just hear the starter spinning? (n/m) - 300ZMang 19:14:22 08/11/13 It's cranking, I can see the fan spinning - -Grimm- 20:35:03 08/11/13 I tested the PTU with a multimeter per the FSM - -Grimm- 16:03:24 08/12/13 Even more information - -Grimm- 01:39:11 08/10/13 Re: Even more information - rhombicblue 19:25:44 08/10/13 Damn... - -Grimm- 23:56:18 08/13/13 try another compression tester to double check - dvice 02:59:29 08/14/13 could also try leakdown (n/m) - dvice 03:07:33 08/14/13 I was considering running a leak down test... - -Grimm- 12:27:00 08/14/13 Re: Damn... - rhombicblue 13:48:25 08/14/13
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