
Without smart key system
This indicator illuminates when the immobilizer key is inserted and turned to the ON position to start the engine.
At this time, you can start the engine. The indicator goes out after the engine is running.
If this indicator blinks when the ignition switch is in the ON position before starting the engine, have the system checked by an authorized HYUNDAI dealer.
With smart key system
If any of the following occurs in a vehicle equipped with the smart key, the immobilizer indicator illuminates, blinks or goes off.
Low fuel level warning light
Malfunction indicator (MIL) (check engine light)Hyundai Tucson (LM) 2010-2015 Service Manual: Troubleshooting
Troubleshooting
SymptionSuspect areaRemedyEngine misfire with abnormal internal lower engine noises
•
Worn crankshaft bearings
•
Loose or out of specification engine flywheel
•
Replace the crankshaft and bearings as required.
•
Repair or replace the flywheel as req ...
Hyundai Tucson (LM) 2010-2015 Service Manual: A/C Pressure Transducer Description and Operation
Description
A/C pressure transducer convert the pressure value of high
pressure line into voltage value after measure it. By converted voltage
value, engine ECU controls cooling fan by operating it high speed or low
speed. Engine ECU stop the operation of compressor when the temperature
o ...