Hyundai Santa Fe: Ignition System / Troubleshooting

Hyundai Santa Fe (TM) 2019-2024 Service Manual / Engine Electrical System / Ignition System / Troubleshooting

Troubleshooting
Trouble symptom
Probable cause
Remedy
Engine will not start or is hard to
start (Cranks OK)
Ignition lock switch
Inspect ignition lock switch, or replace as required
Ignition coil
Inspect ignition coil, or replace as required
Spark plugs
Inspect spark plugs, or replace as required
Ignition wiring disconnected or broken
Repair wiring, or replace as required
Rough idle or stalls
Ignition wiring
Repair wiring, or replace as required
Ignition coil
Inspect ignition coil, or replace as required
Engine hesitates/poor acceleration
Spark plugs and spark plug cables
Inspect spark plugs / cable, or replace as required
Ignition wiring
Repair wiring, or replace as required
Poor mileage
Spark plugs and spark plug cables
Inspect spark plugs / cable, or replace as required

    Description and operation

    Description The ignition coil is a kind of small transformer that transforms the battery voltage to 30 kV or more to create a spark in the spark plug gap in the cylinder...

    Schematic diagrams

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    Other information:

    Hyundai Santa Fe (TM) 2019-2024 Service Manual: Intake Air Temperature Sensor (IATS). Description and operation


    Description Intake Air Temperature Sensor (IATS) is included inside Manifold Absolute Pressure Sensor and detects the intake air temperature. To calculate precise air quantity, correction of the air temperature is needed because air density varies according to the temperature...

    Hyundai Santa Fe (TM) 2019-2024 Service Manual: Smart Key Unit. Components and components location


    ..

    Categories

    Air bag - supplemental restraint system

    1. Driver’s front air bag
    2. Passenger’s front air bag
    3. Side air bag
    4. Curtain air bag

    The vehicles are equipped with a Supplemental Air Bag System for the driver’s seat and front passenger’s seats.

    The front air bags are designed to supplement the three-point seat belts. For these air bags to provide protection, the seat belts must be worn at all times when driving.

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