XJ-S Coupe (XJ27) V12-6.0L (1994)
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None of the sensors are shared with EFI ECM.
Ignition ECM sends engine speed signals to EFI ECM, tachometer, transmission ECU, and fuel pump control module.
CONSTRUCTION
ECU is a computer with programmed microprocessor. The MAP sensor, providing engine load information, is an internal component.
Control Module Locations And I.D.
LOCATION
In front passenger footwell.