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Home >> Lexus >> 1997 >> LS 400 V8-4.0L (1UZ-FE) >> Repair and Diagnosis >> Cruise Control >> Testing and Inspection >> Component Tests and General Diagnostics >> EFI Communication Circuit

EFI Communication Circuit

CIRCUIT DESCRIPTION
When driving downhill under cruise control, in order to provide smooth cruise control and minimize changes in engine torque caused by the fuel cut, a signal is sent from the cruise control ECU to the ECM for retard angle control exclusively for cruise control.





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