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Home >> Infiniti >> 2021 >> QX50 Essential, 4WD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (4 Of 5) >> DTC/Circuit Diagnosis >> DTC P2100, P2103: Throttle Control Motor Relay >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P2100

00

ETC MOT PWR-B1

(Throttle actuator "A" control motor circuit/open)

Diagnosis condition

Engine running at idle

Signal (terminal)

Throttle control motor relay signal

Threshold

ECM detects a voltage of power source for throttle control motor is excessively low

Diagnosis delay time

--

P2103

00

ETC MOT PWR-B1

(Throttle actuator "A" control motor circuit high)

Diagnosis condition

Ignition switch ON

Signal (terminal)

Throttle control motor relay signal

Threshold

ECM detect the throttle control motor relay is stuck ON

Diagnosis delay time

--