11-02-2008, 11:20 AM
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#21
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Registered User
Join Date: Sep 2008
Location: Los Angeles
Posts: 51
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switch
Quote:
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Originally Posted by Paul
Have you checked the clutch switch with a VOM to see if it is actually opening and closing the circuit?
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I will check it today. Is it possible to bypass this switch ?
sam
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11-02-2008, 11:28 AM
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#22
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Porscheectomy
Join Date: Mar 2006
Location: Seattle Area
Posts: 3,011
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Quote:
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Originally Posted by macyfilms
I will check it today. Is it possible to bypass this switch ?
sam
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Yes. You can just disconnect the leads to the switch and short them by running a wire between them. It's actually better for the engine to not press the clutch in while starting anyway so I've got my switch bypassed on all my cars.
Just make sure you don't have the car in gear when you start it.
Last edited by blue2000s; 11-02-2008 at 11:31 AM.
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11-02-2008, 11:34 AM
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#23
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Registered User
Join Date: Sep 2008
Location: Los Angeles
Posts: 51
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switch
Quote:
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Originally Posted by blue2000s
Yes. You can just disconnect the leads to the switch and short them by running a wire between them. It's actually better for the engine to not press the clutch in while starting anyway so I've got my switch bypassed on all my cars.
Just make sure you don't have the car in gear when you start it.
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Okay, I'm going to bypass. If this is not my problem, is there anything else you can think of? I'm running out of ideas. I'm wondering if my immobilizer is shutting me down and I just don't see any damage. Perhaps after sitting so long w/o any battery juice, the system no longer recognizes my key?
sam
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11-02-2008, 11:38 AM
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#24
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Porscheectomy
Join Date: Mar 2006
Location: Seattle Area
Posts: 3,011
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Quote:
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Originally Posted by macyfilms
Okay, I'm going to bypass. If this is not my problem, is there anything else you can think of? I'm running out of ideas. I'm wondering if my immobilizer is shutting me down and I just don't see any damage. Perhaps after sitting so long w/o any battery juice, the system no longer recognizes my key?
sam
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Have you tried bypassing the ignition and running power directly to the starter? Easy test with a set of jumper cables.
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11-02-2008, 11:45 AM
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#25
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Registered User
Join Date: Sep 2008
Location: Los Angeles
Posts: 51
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Quote:
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Originally Posted by blue2000s
Have you tried bypassing the ignition and running power directly to the starter? Easy test with a set of jumper cables.
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I connected the posts at the starter/solenoid and the engine cranked like a champ.
The history:
Battery: replaced AND charged for 24 hours.
Ignition switch: replaced.
Clutch switch: checked, appears to be going in and out and clicking accordingly.
Fuses: all appear good.
Relays: seem okay. switched out relay with same #, still no crank.
Immobilizer: opened box under seat; no obvious sign of any damage of any sort.
Starter: tested, spins fast.
Solenoid/Starter: Cranks engine hard and fast.
Analyzer readout: no problem codes.
Key: appears good; "capsule" inside appears fine.
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11-02-2008, 11:50 AM
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#26
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Porscheectomy
Join Date: Mar 2006
Location: Seattle Area
Posts: 3,011
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Quote:
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Originally Posted by macyfilms
I connected the posts at the starter/solenoid and the engine cranked like a champ.
The history:
Battery: replaced AND charged for 24 hours.
Ignition switch: replaced.
Clutch switch: checked, appears to be going in and out and clicking accordingly.
Fuses: all appear good.
Relays: seem okay. switched out relay with same #, still no crank.
Immobilizer: opened box under seat; no obvious sign of any damage of any sort.
Starter: tested, spins fast.
Solenoid/Starter: Cranks engine hard and fast.
Analyzer readout: no problem codes.
Key: appears good; "capsule" inside appears fine.
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Sorry I missed that part. Sure sounds like an immobilizer problem.
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11-02-2008, 11:58 AM
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#27
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Porsche "Purist"
Join Date: Aug 2003
Location: Wisconsin
Posts: 2,123
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Bypassing the switch will at least disable your cruise contol. Bypass it to test or use a VOM, if bad replace it.
__________________
1998 Boxster with 7.8 DME, 2005 3.6 liter/325 hp, Variocam Plus, 996 Instrument panel
2001 Boxster original owner. I installed used motor at 89k.
1987 924S. 2002 996TT. PST-2
Owned and repaired Porsches since 1974. Porsche: It's not driving, it's therapy.
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11-02-2008, 12:00 PM
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#28
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Porsche "Purist"
Join Date: Aug 2003
Location: Wisconsin
Posts: 2,123
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I assume this problem started BEFORE you replaced the ignition switch?
__________________
1998 Boxster with 7.8 DME, 2005 3.6 liter/325 hp, Variocam Plus, 996 Instrument panel
2001 Boxster original owner. I installed used motor at 89k.
1987 924S. 2002 996TT. PST-2
Owned and repaired Porsches since 1974. Porsche: It's not driving, it's therapy.
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11-02-2008, 12:07 PM
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#29
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Registered User
Join Date: Sep 2008
Location: Los Angeles
Posts: 51
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ign switch
Quote:
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Originally Posted by Paul
I assume this problem started BEFORE you replaced the ignition switch?
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Yes, the problem started before i replaced the switch. The switch was very sticky and stubborn, so I was hopeful that this was the problem. An fyi for other readers, while Porsche would only sell me the whole assembly for $160, Audi sold me just the switch for $40.
A silly question I imagine, but can the immobilizer be tested? can it be by passed? Or am I stuck going to the dealer on this one?
sam
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11-02-2008, 12:08 PM
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#30
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Porscheectomy
Join Date: Mar 2006
Location: Seattle Area
Posts: 3,011
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Quote:
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Originally Posted by Paul
Bypassing the switch will at least disable your cruise contol. Bypass it to test or use a VOM, if bad replace it.
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I never noticed, shows how much I use the cruise control.
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11-02-2008, 12:16 PM
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#31
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Porsche "Purist"
Join Date: Aug 2003
Location: Wisconsin
Posts: 2,123
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Quote:
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Originally Posted by macyfilms
Yes, the problem started before i replaced the switch. The switch was very sticky and stubborn, so I was hopeful that this was the problem. An fyi for other readers, while Porsche would only sell me the whole assembly for $160, Audi sold me just the switch for $40.
A silly question I imagine, but can the immobilizer be tested? can it be by passed? Or am I stuck going to the dealer on this one?
sam
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Other than reading the codes, which you say you have none, its off to someone that has the correct Porsche tester.
My dealer reprogrammed my key for free, when my immobilizer threw a code saying the transponder code was wrong (new key).
__________________
1998 Boxster with 7.8 DME, 2005 3.6 liter/325 hp, Variocam Plus, 996 Instrument panel
2001 Boxster original owner. I installed used motor at 89k.
1987 924S. 2002 996TT. PST-2
Owned and repaired Porsches since 1974. Porsche: It's not driving, it's therapy.
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11-02-2008, 12:32 PM
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#32
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Registered User
Join Date: Sep 2008
Location: Los Angeles
Posts: 51
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dealer time
Quote:
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Originally Posted by Paul
Other than reading the codes, which you say you have none, its off to someone that has the correct Porsche tester.
My dealer reprogrammed my key for free, when my immobilizer threw a code saying the transponder code was wrong (new key).
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Well, then, if it's not my clutch switch, I suppose I'm off to the dealer to handle this. Can independent Porsche repair places reprogram keys and immobilizers, or is this strictly a dealer function ?
sg
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11-02-2008, 12:39 PM
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#33
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Porsche "Purist"
Join Date: Aug 2003
Location: Wisconsin
Posts: 2,123
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Only the dealer has one of the codes for your car.
__________________
1998 Boxster with 7.8 DME, 2005 3.6 liter/325 hp, Variocam Plus, 996 Instrument panel
2001 Boxster original owner. I installed used motor at 89k.
1987 924S. 2002 996TT. PST-2
Owned and repaired Porsches since 1974. Porsche: It's not driving, it's therapy.
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11-02-2008, 12:45 PM
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#34
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Porsche "Purist"
Join Date: Aug 2003
Location: Wisconsin
Posts: 2,123
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Quote:
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Originally Posted by blue2000s
Yes. You can just disconnect the leads to the switch and short them by running a wire between them. It's actually better for the engine to not press the clutch in while starting anyway so I've got my switch bypassed on all my cars.
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How's that work for you in the winter?
__________________
1998 Boxster with 7.8 DME, 2005 3.6 liter/325 hp, Variocam Plus, 996 Instrument panel
2001 Boxster original owner. I installed used motor at 89k.
1987 924S. 2002 996TT. PST-2
Owned and repaired Porsches since 1974. Porsche: It's not driving, it's therapy.
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11-02-2008, 01:58 PM
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#35
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Porscheectomy
Join Date: Mar 2006
Location: Seattle Area
Posts: 3,011
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Quote:
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Originally Posted by Paul
How's that work for you in the winter?
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I don't follow the question.
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11-02-2008, 02:10 PM
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#36
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Registered User
Join Date: Sep 2008
Location: Los Angeles
Posts: 51
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switch
It appears there are two switches on the clutch pedal. I'm assuming one is for Cruise Control, one is for starter. Of course, i have no idea which is which. I'm hoping Paul or Blue can answer this question.
sg
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11-02-2008, 02:30 PM
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#37
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Porscheectomy
Join Date: Mar 2006
Location: Seattle Area
Posts: 3,011
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Quote:
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Originally Posted by macyfilms
It appears there are two switches on the clutch pedal. I'm assuming one is for Cruise Control, one is for starter. Of course, i have no idea which is which. I'm hoping Paul or Blue can answer this question.
sg
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Here's the switch, disconnected and the shorted wires.
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11-02-2008, 03:07 PM
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#38
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Registered User
Join Date: Sep 2008
Location: Los Angeles
Posts: 51
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immob
Well then, it must be my immobilizer, as i connected the wires as you showed me and still no cranking.
I'll have to tow to the dealer this week and see if they can reset whatever it is that's shut me down.
I'll update everyone when i get this figured out.
thxx !
sam
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11-02-2008, 03:16 PM
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#39
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Porsche "Purist"
Join Date: Aug 2003
Location: Wisconsin
Posts: 2,123
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Quote:
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Originally Posted by blue2000s
I don't follow the question.
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Here in Wisconsin when it's -20 or colder, no one would ever try to start a manual shift car without kicking in the clutch first.
__________________
1998 Boxster with 7.8 DME, 2005 3.6 liter/325 hp, Variocam Plus, 996 Instrument panel
2001 Boxster original owner. I installed used motor at 89k.
1987 924S. 2002 996TT. PST-2
Owned and repaired Porsches since 1974. Porsche: It's not driving, it's therapy.
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11-02-2008, 03:27 PM
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#40
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Porscheectomy
Join Date: Mar 2006
Location: Seattle Area
Posts: 3,011
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Quote:
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Originally Posted by Paul
Here in Wisconsin when it's -20 or colder, no one would ever try to start a manual shift car without kicking in the clutch first.
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Are you saying when it's cold out, the drive wheels are somehow mated to the flywheel while the car is in neutral? Not the case.
Maybe I'm still not understanding the question.
Last edited by blue2000s; 11-02-2008 at 03:35 PM.
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