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Home >> Infiniti >> 2023 >> QX55 Essential >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission (DTC/Circuit Diagnosis) >> Circuit Diagnosis >> Shift (Electric Shift Control Module) >> P272A-00 T/M Range Select Motor >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P272A

00

T/M range select motor

(Transmission Range Select Motor Control Circuit)

1

Diagnosis condition

  • When Ignition switch is ON
  • When shift actuator does not operate

Signal (terminal)

Motor A (U phase / V phase / W phase) signal

Threshold

The voltage of any one of the phase is low even though all phases of the motor coil is not energized.

NOTE: Energized: Approx. 0 V, Non-energized: 9 - 16 V

Diagnosis delay time

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2

Diagnosis condition

After turning the ignition switch OFF. (During diagnosis rotation)

NOTE: Diagnosis rotation: Turn the shift actuator relay A and B circuit OFF one by one, and partially rotate the motor for diagnosis purpose.

Signal (terminal)

Motor A (U phase / V phase / W phase) signal

Threshold

The voltage of de-energized phase is low during diagnosis rotation.

NOTE: Energized: Approx. 0 V, Non-energized: 9 - 16 V

Diagnosis delay time

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