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Home >> Infiniti >> 2021 >> QX50 Essential, 4WD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (3 Of 5) >> DTC/Circuit Diagnosis >> DTC P10C8, P10C9, P10CA, P10CB: Internal Control Module Fuel Injector >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P10C8

00

Cylinder1 injector A

(Cylinder1 injector A)

Diagnosis condition

--

Signal (terminal)

--

Threshold

  • Direct injector driver unit is malfunctioning.
  • ECM detects No. 1 injector circuit is shorted.

Diagnosis delay time

--

P10C9

00

Internal control module fuel injector

(Internal control module fuel injector)

Diagnosis condition

--

Signal (terminal)

--

Threshold

  • Direct injector driver unit is malfunctioning.
  • ECM detects No. 2 injector circuit is shorted.

Diagnosis delay time

--

P10CA

00

Cylinder3 injector A

(Cylinder3 injector A)

Diagnosis condition

--

Signal (terminal)

--

Threshold

  • Direct injector driver unit is malfunctioning.
  • ECM detects No. 3 injector circuit is shorted.

Diagnosis delay time

--

P10CB

00

Cylinder4 injector A

(Cylinder4 injector A)

Diagnosis condition

--

Signal (terminal)

--

Threshold

  • Direct injector driver unit is malfunctioning.
  • ECM detects No. 4 injector circuit is shorted.

Diagnosis delay time

--