Kia Cadenza: Ignition System / Description and Operation
Ignition timing is controlled by the electronic control ignition timing system.
The standard reference ignition timing data for the engine
operating conditions are pre-pro grammed in the memory of the ECM
(Engine Control Module).
The engine operating conditions (speed, load, warm-up
condition, etc.) are detected by the various sensors. Based on these
sensor signals and the ignition timing data, signals to interrupt the
primary current are sent to the ECM.
The ignition coil is activated, and timing is controlled.
On-vehicle Inspection
Inspect ignition coil assembly and Perform spark test
1.
Check for DTCs.
•
If a DTC is present, perform troubleshooting in accordanc ...
Other information:
Circuit Diagram
•
COM signal - When
controlling the voltage generated, the ECM sends the target voltage data
to the alternator via a PWM signal.(High voltage: 4V or higher, low
voltage: 2V or lower)
•
FR signal - The
transistor activation ...
Circuit Diagram
...