Chrysler History

Logic Module 1984 -88

Power Module 1984-88

SMEC 1997

SBEC 1989

SBEC II 1991

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

Single Point “EFI”

• Pre 1986, high pressure (36 PSI)

• After 1986, low pressure (14.5 PSI)

• 1984-87 high side injector control

ASD Relay

Power To Ignition coil, injectors, O2 Heaters, & Fuel Pump (till 1996) and Alternator Field

Power & Logic Module Schematic

2002 NGC

1987 SMEC

Both Logic & Power ModuleLocated in Air Inlet Tube

1989 SBEC & 1991 SBEC II

Single Board Engine Controller60 PIN single connector.

Car Truck & Jeep

• No Air Cooling• Start Of OBD II Phase In• SBEC IIIA till 2001

SBEC III 1995

• JTEC 1996 to Present• Start Of OBD II Phase In• Replaced by NGC in 2002.5 (Durango)

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

EFI & PFI injectors

Returnless Fuel

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