Hyundai Sonata: Ignition System / Description and Operation
Hyundai Sonata LF 2014-2019 Service Manual / Engine Electrical System / Ignition System / Description and Operation
| Description |
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.
Ignition System
...
Repair procedures
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 ...
Other information:
Hyundai Sonata LF 2014-2019 Service Manual: Important Safety Notice
General Information
Proper service methods and repair procedures are essential
for safe, reliable operation of all motor vehicles as well as personal
safety of the operator. The service procedures and descriptions in this
shop manual provide general directions for a service and repair.
...
Hyundai Sonata LF 2014-2019 Service Manual: Heater Core Repair procedures
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
After loosening the bolts remove the main crash pad and cowl cross bar assembly together.
(Refer to Heater -"Heater Unit")
3.
Remove the heater core cover (A) after loosening the mounting screws.
4.
Pull out the heater ...
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