Date: Mon, 31 Oct 2011 20:31:50 -0700
Reply-To: HotelWestfalia <zolo@FOXINTERNET.NET>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: HotelWestfalia <zolo@FOXINTERNET.NET>
Subject: Re: No start/ Yes spark II
In-Reply-To: <4EAF611A.7010205@cox.net>
Content-Type: text/plain; format=flowed; charset="UTF-8"; reply-type=response
I use sand paper to clean the connectors and the head where they go onto.
And I use a stainless bolt, which is not a requirement. Then I put some
grease on top to stop corrosion. Use 10mm socket.
Zoltan
----- Original Message -----
From: "mark drillock" <mdrillock@COX.NET>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Monday, October 31, 2011 8:01 PM
Subject: Re: No start/ Yes spark II
> You should fix the ground problem that you found with the pin 7 and 25
> ohm test. Both of those wires are supposed to be grounded by a small
> bolt on top of the left cylinder head. They do not pass through any
> relay. Those 2 wires are direct grounds for the ECU and should read zero
> ohms between each other and between either one and engine metal.
>
> Since it is the ECU that turns on the FP relay and it is not doing so in
> your case the ECU ground(s) could be the problem.
>
> Mark
>
>
>
> Skip wrote:
>> The 84 Westy 1.9L is still not starting...any ideas?
>>
>> Further to my comments below, I tested several of the parameters listed
>> in Bentley 24.20 - 24.21, disconnecting the connector to the ECU and
>> using a multimeter:
>>
>> The one test that did not check out is the test for "Ground
>> connection/control unit", 7 and 25 pins (should be 0 ohms). I tested
>> 22.5 ohms. This, I suspect/perhaps, corroborates the fact that I'm not
>> getting voltage at 87 pin on the fuel pump relay when I turn on the
>> ignition switch.
>>
>> I also looked at the ignition coil voltage to FP relay. I am getting
>> voltage at the black wire on the ignition coil and I am getting voltage
>> at 85 pin, which means a signal is being sent to the ECU?
>>
>> I also checked the ground connections. All are grounded.
>>
>> Therefore, since 1) I'm getting spark at the plug wire, 2) the FP works
>> when I jump the FP relay, and 3) the stuff above, that for some reason,
>> the injectors are not getting the correct signal to spray fuel. Is there
>> an electrical test for this? Is this pointing to the ECU not giving the
>> correct signal back to the 87 pin on the FP relay? I've ruled out the
>> hall sensor since I'm getting spark.
>>
>> Would anyone care to offer corrections/suggestions to my logic and/or
>> offer suggestions for replacement items? Is it an electrical connection
>> issue or a device issue?
>>
>> Again, when turning on the ignition switch (key to acc), the FP does
>> not activate. When jumping the FP relay, the FP runs but the van will
>> still not start. This is where I think the fuel injectors are not
>> spraying fuel. If so, then why/what is not happening in the electrical
>> signals that is resulting in the fuel injectors not spraying fuel? I
>> have 2/5's tank of fuel (premium).
>>
>> Thanks for giving it a shot.
>>
>> Skip Laubach
>> Elgin, IL
>>
>>
>
|