Hyundai Ioniq: Engine Electrical System / Ignition System

Troubleshooting

Trouble ShootingIgnition System Symptom Suspect area Remedy Vehicle indicates Ready in dash, but engine will not run when requested by the HPCU (HEV module)...

Description and operation

DescriptionIgnition timing is controlled by the electronic control ignition timing system. The standard reference ignition timing data for the engine operating conditions are preprogrammed in the memory of the ECM (Engine Control Module)...

Other information:

Hyundai Ioniq (AE) 2017-2025 Owner's Manual: Electronic Stability Control (ESC)

The Electronic Stability Control (ESC) system helps to stabilize the vehicle during cornering maneuvers. ESC checks where you are steering and where the vehicle is actually going. ESC applies braking pressure to any one of the vehicle's brakes and intervenes in the engine management system to assist the driver with keeping the vehicle on the intended path...

Hyundai Ioniq (AE) 2017-2025 Service Manual: Specifications

Specifications Item Specification Front disc brakeTypeVentilated discDisc O.D.Ø 280 mm (11.02 in)Disc thickness22 mm (0.87 in)Caliper pistonSingleCylinder I.D.Ø 57.2 mm (2.25 in)Rear disc brakeTypeSolid discDisc O...