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Home >> Hyundai >> 2022 >> Tucson Plug-In Hybrid Limited >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (PHEV) (1 Of 8) >> Component Location And Function >> Component Function >> Engine Control Relay/PCB >> Engine Control Relay/Power Control Block (PCB)

Engine Control Relay/Power Control Block (PCB)

G16170312Courtesy of HYUNDAI MOTOR AMERICA

The engine Electronic Control Unit (ECU) measures and compares voltage from the Ignition Switch and Engine Control Relay. The ECU can confirm that the Engine Control Relay turned ON when it is commanded ON, or turns OFF when it is commanded OFF.

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