Ford Escort RS Cosworth This forum is for discussion of all things pertaining to the Ford Escort Rs Cosworth.

Stupid question time!

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Old Jan 25, 2008 | 12:08 PM
  #1  
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Franco
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Default Stupid question time!

Where's the ECU fuel pump control?

Is it actually a pin out on the ECU connector or an additional ECU hidden somewhere.....

And yes its blantently obvious I dont know before you take the piss!
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Old Jan 25, 2008 | 12:27 PM
  #2  
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kjc300
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As per Ford wiring diagram for the Escort Cossie large turbo....

Pin 1 - Earth (brown)
Pin 19 - Earth (brown)
Pin 2 - Lambda sensor (brown/white)
Pin 20 - Power (red)
Pin 3 - Crank position sensor (brown/yellow)
Pin 21 - Not used
Pin 4 - Crank position sensor (green/red)
Pin 22 - Knock sensor (blue/yellow in shielded cable)
Pin 5 - Distributor phase sensor (green/yellow)
Pin 23 - Distributor phase sensor (black/red)
Pin 6 - Knock sensor (black/yellow with brown earth from shield)
Pin 24 - Pin 3 Ignition module (Black)
Pin 7 - Canister purge valve (brown/white)
Pin 25 - Pin 6 Ignition module (black)
Pin 8 - Electronic control loom (blue/white)
Pin 26 - Not used
Pin 9 - Connected throttle pot wire (Pin 30 red) (white)
Pin 27 - Electronic control loom (blue/yellow)
Pin 10 - EFI power relay pin 85 (relay 8) in fuse box (plug M3BB at fuse box) (blue/yellow)
Pin 28 - Fuel pump relay pin 85 (relay 9) in fuse box (plug M5B at fuse box) (blue/gree)
Pin 11 - Map sensor (shielded) and link to common connection* (brown/green)
Pin 29 - Coolant temp sensor (black/green)
Pin 12 - Not used
Pin 30 - MAP sensor and throttle pot sensor (red)
Pin 13 - Octane adjust (black)
Pin 31 - Air charge temp sensor (red/green)
Pin 14 - Octane adjust (black)
Pin 32 - Injector 2 (brown/black)
Pin 15 - MAP sensor (black/red)
Pin 33 - Injector 3 (brown/black)
Pin 16 - Boost valve (brown/yellow)
Pin 34 - Idle speed control valve (brown/yellow)
Pin 17 - Throttle pot sensor (black/red)
Pin 35 - Injector 1 (brown/black)
Pin 18 -Injector 4 (brown/black)

*Pin 11 (brown/green) connects to the following....

Electronic control loom
Coolant temp sensor
Throttle pot sensor
Aircharge temp sensor



























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Old Jan 25, 2008 | 12:27 PM
  #3  
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Yeh its a Pin out on the main ECU.
PIN 28 if i remember rightly.
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Old Jan 25, 2008 | 01:06 PM
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I'll get me coat!
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