Ignition ECM

On 900 Series, the ignition ECM is located in the engine compartment, forward of the left front wheelhousing; on 9000 Series Non-Turbo, the ignition ECM is located on the left side of firewall in the engine compartment. It receives inputs from a detonation sensor, fuel injection ECM, and the Hall Effect sensor. From these inputs it calculates and controls ignition timing.