Hyundai Sonata LF: 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 accordance with the procedure for that DTC...
Other information:
C..
Description
The evaporator temperature sensor will detect the evaporator
core temperature and interrupt compressor relay power in order to
prevent evaporator from freezing by excessive cooling. The evaporator
temperature sensor has the Negative Temperature Coefficient (NTC)...