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Old 06-22-2013, 02:45 PM   #1
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Trouble shooting no start

Ok so I've let my project car ('00 Boxie) sit long enough time to dive in. In troubleshooting a no start/no crank condition this is what I've done:

Replaced battery w/new battery
Replaced ignition switch
Removed immobilizer and inspected - found some minor corrosion on circuit board de-soldered those joints and re-soldered them.
By-passed clutch switch

Still no start.
All electronics work.
When I turn the key all the way to start I can hear the MAF cycle and a high frequency buzz from the engine compartment, but no cranking.

With key on I can crank the engine by jumping the solenoid on the starter.

I have 12V on the battery side of the solenoid only, even when turning the key all the way over.

Thoughts and suggestions please...

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Old 06-25-2013, 03:30 PM   #2
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Anybody? I guess next step is to pull the starter and have it tested. That's the plan for Saturday unless the wife catches me in the garage with the car and decides I need to be doing "better" things...
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Old 06-25-2013, 03:38 PM   #3
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So, cranking it by applying voltage directly, does it fire?
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Old 06-25-2013, 04:23 PM   #4
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Maybe a bad ignition switch?
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Old 06-25-2013, 04:57 PM   #5
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It does fire - and the ignition switch is new.
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Old 06-25-2013, 06:15 PM   #6
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Going to remove my clutch safety switch bypass (bent wire) and make sure it has good contact when I get home from work tomorrow.
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Old 06-25-2013, 06:27 PM   #7
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If your jumping the starter and its cranking , the starter is working .

If your saying what I think you're saying ....
Shorting your battery plus to the switched plus on the starter with a screwdriver or similar , activates the starter ?

Try using jumper cables to eliminate the BIG side :
Battery + to starter b+ : if it works , you have bad main cable from batt to starter .
Starter body to chassis : bad engine ground
Chassis to battery - : bad ground strap
Battery + on starter to switched+ on starter : bad switched wire from ignition ( this is where it gets tricky with ancillary switches etc)

Is your car stick or tip ?
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Old 06-28-2013, 05:43 PM   #8
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It's a stick, haven't been able to do any troubleshooting due to heavy workload this week. Hopefully getting out there tomorrow afternoon.
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Old 06-29-2013, 05:33 AM   #9
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If you be no power on the switched positive to the starter that you have confirmed with a meter , or by the old method of jumping the starter with a screwdriver , then you need to look at anything else in that circuit from the ignition to the starter , such as clutch switches that need to be depressed etc . And the electrical portion of the ignition switch (Audi part , fixing mine this weekend)

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