Camaro V8-305 5.0L VIN F FI (1985)
Knock Sensor: Testing and Inspection
Chart C-5 Electronic Spark Control Check VIN F (5.0L) - MPI
WIRING DIAGRAM
CHART C-5
ELECTRONIC SPARK CONTROL
5.0L "F" SERIES
FUEL INJECTION (PORT)
Electronic spark control is accomplished with a module that sends a voltage signal to the ECM. As the knock sensor detects engine knock, the voltage
from the ESC module to the ECM is shut off and this signals the ECM to retard timing.
