Download - Chrysler History Logic Module 1984 -88 Power Module 1984-88 SMEC 1997 SBEC 1989 SBEC II 1991
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Chrysler History
Logic Module 1984 -88
Power Module 1984-88
SMEC 1997
SBEC 1989
SBEC II 1991
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1984 to 1988
• Logic Module:– Fuel System Control– Located in pass
compartment– Single or Multipoint
injection
• Power Module:– Located in air inlet tube for
cooling – Controls actuators– Includes ignition, fuel
pump, injectors and charging system
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Single Point “EFI”
• Pre 1986, high pressure (36 PSI)
• After 1986, low pressure (14.5 PSI)
• 1984-87 high side injector control
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ASD Relay
Power To Ignition coil, injectors, O2 Heaters, & Fuel Pump (till 1996) and Alternator Field
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Power & Logic Module Schematic
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2002 NGC
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1987 SMEC
Both Logic & Power ModuleLocated in Air Inlet Tube
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1989 SBEC & 1991 SBEC II
Single Board Engine Controller60 PIN single connector.
Car Truck & Jeep
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• No Air Cooling• Start Of OBD II Phase In• SBEC IIIA till 2001
SBEC III 1995
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• JTEC 1996 to Present• Start Of OBD II Phase In• Replaced by NGC in 2002.5 (Durango)
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2002 NGC Next Generation Controller
•Replaces SBEC (LH) and JTEC (2002.5 Durango 4.7)
•Includes PCM, TCM, and ETC
•Also start of NVLD
•Most be programmed at installation
•All Chryslers by 2005
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EFI & PFI injectors
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Returnless Fuel
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Thank You