Operation CHARM: Car repair manuals for everyone.

Electronic Spark Advance (ESA) Control System

View: Related Components Of The Electronic Spark Advance Control System:





PURPOSE
To provide optimum engine performance through the utilization of computer controlled ignition spark timing.

OPERATION
The powertrain control module engine (PCME) provides the most suitable ignition timing according to data sent from various sensors and switches.


Electronic Spark Advance ESA Operating Conditions:





The ignition timing is separated into two types, base ignition timing and changeable ignition timing.