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Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (3 Of 4) >> DTC/Circuit Diagnosis >> P0611 ECM Protection >> DTC Description

DTC Description

This DTC is detected when the ECM protective function is activated due to an extreme temperature increase in ECM, resulting from severe conditions such as heavy load driving.

DTC DETECTION LOGIC 

DTC CONSULT screen terms(Trouble diagnosis content) DTC detection condition
P0611 00 FIC MODULE(Fuel Injector Control Module Performance) Diagnosis condition -
Signal (terminal) -
Threshold ECM overheat protection control is activated
Diagnosis delay time -

POSSIBLE CAUSE 

ECM overheating

FAIL-SAFE 

Not applicable

DTC CONFIRMATION PROCEDURE 

  1. PERFORM DTC CONFIRMATION PROCEDURE 

    This DTC is displayed as protection function history. If no malfunction is detected after the diagnosis, the customer must be informed of the activation of the protection function.

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    Proceed to Diagnosis Procedure .