Hyundai Santa Fe: Ignition System / Troubleshooting

Hyundai Santa Fe (TM) 2019-2025 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

    ..

    Other information:

    Hyundai Santa Fe (TM) 2019-2025 Owner's Manual: System settings


    Setting functions for the system Blind-Spot Safety With the engine on, select ‘Driver Assistance → Blind-Spot Safety’ from the Settings menu to set whether or not to use each function. -- If ‘Active Assist’ is selected, the system will warn the driver with a warning message, an audible warning and braking assist will be applied depending on the collision risk levels...

    Hyundai Santa Fe (TM) 2019-2025 Service Manual: Repair procedures


    Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the glove box. (Refer to Body - "Glove Box") 3. Disconnect the body control module connectors (A) and then remove the integrated body control unit (B)...

    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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