Hyundai Palisade (LX2): Ignition System / Troubleshooting

Hyundai Palisade (LX2) 2020-2026 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

    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.

    Specifications Specification Item Specification Rated Voltage (V) 12 Operating Voltage (V) 5 - 16 Description and operation Description An ignition coil is an induction coil in an engine's ignition system which transforms the battery's low voltage to the high voltage needed to create an electric spark in the spark plugs to ignite the fuel.

    Other information:

    Hyundai Palisade (LX2) 2020-2026 Service Manual: Front Radar Unit

    Specifications Specification Item Specification Power supply (V) 12 Operation voltage (V) 9 - 16 Description and operation Description The smart cruise control unit is installed on the front right-hand side of the chass

    Hyundai Palisade (LX2) 2020-2026 Service Manual: Troubleshooting

    Troubleshooting    1) After replacing H/UNIT, always check that the system operates properly. 2) If the failure persists after replacing the H/UNIT, do not replace the unit.

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