Hyundai Ioniq (AE): Hybrid Control System / Inspection mode procedures

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Hybrid Control System / Inspection mode procedures

Procedure for entering engine forced activation mode
If the engine needs to be running constantly while the vehicle is stopped to inspect emission gas or perform maintenance on the vehicle, follow below procedure to enter engine forced activation mode.
1.
Place the shift lever in P range while the vehicle is stopped. Engage the parking brake. Then follow below procedure and enter engine forced activation mode.
   
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Below procedure [(1)-(5)] for engine forced activation mode must be completed within 60 sec. In case the procedure is not completed within the time, the process is reset and you must start again from step (1).
(1)
Do NOT press on the brake pedal and press the Engine Start/Stop button 2 times to enter IG ON mode.
(2)
Place the shift lever in P range and then press the accel pedal 2 times.
(3)
Place the shift lever in N range and then press the accel pedal 2 times.
(4)
Place the shift lever in P range and then press the accel pedal 2 times.
(5)
Press on the brake pedal and press the Engine Start/Stop button to start the engine, and maintain idling.
   
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Engine will continue to remain idling and engine forced activation mode is maintained even if the gear is shifted to different range.
2.
"READY" lamp blinks in the Cluster when the vehicle is in engine forced activation mode. Check that the "READY" lamp is blinking to ensure that engine forced activation mode is entered correctly.
   
•
"READY" lamp will continue to blink until engine forced activation mode is cancelled. "READY" lamp will stop blinking when the forced activation mode is cancelled.
3.
Engine forced activation mode can be cancelled by pressing the Engine Start/Stop button and switching to IG OFF mode.

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