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Author Topic: Omega parameters  (Read 2469 times)

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Jimbob

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Re: Omega parameters
« Reply #15 on: 11 February 2010, 21:18:43 »

ill do a hot reading when I remember too  :y

Edd

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Re: Omega parameters
« Reply #16 on: 11 February 2010, 21:19:42 »

thank you, i appreciate your help
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Jimbob

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Re: Omega parameters
« Reply #17 on: 11 February 2010, 21:27:27 »

no probs, I see the value in the finished article, if its feasable to get there....


thinking on.......things will vary with outside temp, can see anything more than a 'rough guide' being very tricky to code, a lot of variables to contend with.

Edd

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Re: Omega parameters
« Reply #18 on: 11 February 2010, 21:32:08 »

shouldnt be alot of trouble once i have all the data, im trawling the net trying to get omega parameters from everywhere. once done this should produce graphs etc. Its a good project for me to get my teeth back into excel let alone learn a lot more about the car. Sort of stuff im looking at is idle should be 650 but if aircon is on the 750 at full engine temp etc but if cold ie 0-50 degrees it should be whatever then the reading will be highlighted red if too far outside of this. Then the same on as much of the other stuff i can. Thats where i will need all the input i can get and all the files of readings i can get.

If someone has a fault on their car then if they can say whats showing (fault number) then this will hopefully show in the data and i can program these faults into the spreadsheet.

So once again, if anyone knows the parameters to bring on a fault code or where i can find this info, please let me now

Edd
« Last Edit: 11 February 2010, 21:37:55 by eddcole »
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Kevin Wood

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Re: Omega parameters
« Reply #19 on: 11 February 2010, 21:41:41 »

Quote
Mass Air Flow Sensor      44 kg/h

That's a lot of air.  :o Then again, cold.. And idle speed at 1300 RPM. :-/

The problem IMHO is that there is limited diagnosis you can do with a set of static parameters. I tend to at least look at the figures at idle and a fast idle, and make sure the engine is hot. Often a little drive with it logging it handy too.

A set of ballpark figures when hot at idle and fast idle at say 2500 RPM for each  engine type would be a good start though.

Kevin
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Edd

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Re: Omega parameters
« Reply #20 on: 11 February 2010, 21:48:09 »

Quote
Quote
Mass Air Flow Sensor      44 kg/h

That's a lot of air.  :o Then again, cold.. And idle speed at 1300 RPM. :-/

The problem IMHO is that there is limited diagnosis you can do with a set of static parameters. I tend to at least look at the figures at idle and a fast idle, and make sure the engine is hot. Often a little drive with it logging it handy too.

A set of ballpark figures when hot at idle and fast idle at say 2500 RPM for each  engine type would be a good start though.

Kevin


Thanks Kevin, looks like we are heading in the right direction
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Jimbob

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Re: Omega parameters
« Reply #21 on: 16 February 2010, 16:57:43 »

Here is another set of a 3.0 manual

Cold, Hot, Fast Idle (saved in csv, so copy and paste into a spreadsheet for easy viewing...)

Parameter,Cold,Hot,Fast Idle
Identifier,1D,1D,1D
Battery Voltage,14.4 V,13.7 V,13.8 V
Immobiliser Signal,Received,Received,Received
Immobiliser,Active,Active,Active
TPS Signal (Throttle Position Sensor),0.45 V,0.45 V,0.53 V
Simulated Idle Position,Active,Active,Inactive
Simulated Full Load Switch,Inactive,Inactive,Inactive
Mass Air Flow Sensor,1.31 V,0.69 V,1.29 V
Mass Air Flow Sensor,40 kg/h,11 kg/h,39 kg/h
Coolant Temperature,3.80 V,0.97 V,0.97 V
Coolant Temperature,13 °C,91 °C,91 °C
Intake Air Temperature,4.07 V,3.74 V,3.72 V
Intake Air Temperature,6 °C,15 °C,15 °C
Engine Type,6 Cylinder,6 Cylinder,6 Cylinder
Transmission Coding,Manual Transmission,Manual Transmission,Manual Transmission
Park/Neutral Switch,P - N  0V,P - N  0V,P - N  0V
A/C Information Switch (Air Conditioning),Active 12V,Active 12V,Active 12V
A/C Compressor Switch (Air Conditioning),Inactive 0V,Inactive 0V,Inactive 0V
Telltale (Check Light),Off 12V,Off 12V,Off 12V
Fuel Pump Relay,Active 0V,Active 0V,Active 0V
Spark Angle before TDC (Top Dead Centre),-2 °CA,2 °CA,35 °CA
Ignition Coil Cyl. 1+4 (Cylinder),Load,Load,Load
Ignition Coil Cyl. 2+5,Load,Load,Load
Ignition Coil Cyl. 3+6 (Cylinder),Load,Load,Load
Knock Signal,Inactive,Inactive,Inactive
Knock Retard,0 °CA,0 °CA,0 °CA
Secondary Air Pump Relay,Inactive 12V,Inactive 12V,Inactive 12V
EGR Valve (Exhaust-Gas Recirculation),Inactive,Inactive,Inactive
EGR Position Feedback (Exhaust Gas Recirculation),0.74 V,0.76 V,0.76 V
Fuel Tank Ventilation Valve,0%,0%,41%
O2 Sensor 1,546 mV,390 mV,215 mV
O2 Sensor 2,1.244 mV,615 mV,263 mV
O2 Sensor Loop 1,Open,Closed,Closed
O2 Sensor Loop 2,Open,Closed,Closed
Air/Fuel Ratio 1,Lean,Rich,Lean
Air/Fuel Ratio 2,Lean,Lean,Lean
O2-Loop 1 Integrator,128 Steps,154 Steps,129 Steps
O2-Loop 2 Integrator,128,143,127
O2-Loop 1 BLM Idle (Block Learn Map),255 Steps,255 Steps,255 Steps
O2-Loop 2 BLM Idle (Block Learn Map),213 Steps,213 Steps,213 Steps
O2-Loop 1 BLM Partial Load (Block Learn Map),131 Steps,131 Steps,131 Steps
O2-Loop 2 BLM Partial Load(Block Learn Map),129 Steps,129 Steps,129 Steps
Hall Sensor,Active,Inactive,Active
Engine Speed Pulse,Active,Inactive,Inactive
Engine Speed,1.346 RPM,734 RPM,2.529 RPM
Idle Air Control,134 Steps,154 Steps,124 Steps
IAC Integrator (Idle Air Control),120 Steps,120 Steps,128 Steps
IAC Adaptation Slope (Idle Air Control),120 Steps,148 Steps,149 Steps
IAC Block Learn (Idle Air Control),124 Steps,124 Steps,124 Steps
Desired Idle Air,35 kg/h,9 kg/h,23 kg/h
Actual Value Idle Air,34 kg/h,9 kg/h,31 kg/h
Desired Engine Idle Speed,1.300 RPM,700 RPM,1.600 RPM
Injection Pulse,5.1 ms,3.2 ms,2.6 ms
Engine Load Signal,1.8 ms,0.8 ms,0.9 ms
TPS Load Signal (Throttle Position Sensor),0%,0%,2%
Vehicle Speed Pulse,Not Received 12V,Not Received 12V,Not Received 12V
Vehicle Speed,0 km/h,0 km/h,0 km/h
Intake Manifold Valve 1,Inactive 12V,Inactive 12V,Inactive 12V
Intake Manifold Valve 2,Inactive 12V,Inactive 12V,Inactive 12V
Torque Control,Inactive,Inactive,Inactive
A/C Cutoff Relay (Air Conditioning),Active 0V,Active 0V,Active 0V
Diagnostic Request,Inactive 5V,Inactive 5V,Inactive 5V
« Last Edit: 16 February 2010, 16:59:56 by jimbob »
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