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HOMESERVICE MANUALSINFINITI2019Q70 3.7 LUXE, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 11 (ENGINE CONTROL SYSTEM (5.6L) (DTC/CIRCUIT DIAGNOSIS) (5 OF 9))DTC/CIRCUIT DIAGNOSISDTC P0643: SENSOR POWER SUPPLYDTC LOGICDTC DETECTION LOGIC
2019 Infiniti Q70 3.7 Luxe, AWD

DTC Detection Logic

2019 Infiniti Q70 3.7 Luxe, AWDSECTION DTC Detection Logic
WARNING: This page is about a different variant/trim than selected.

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P0643

SENSOR POWER/CIRC

(Sensor power supply circuit short)

ECM detects that the voltage of power source for sensor is excessively low or high.
  • Harness or connectors

    [Throttle position sensor (bank 1) circuit is shorted. circuit is shorted.]

    [Camshaft position sensor (bank 1) circuit is shorted.]

    (Crankshaft position sensor circuit is shorted.)

    (Accelerator pedal position sensor 1 circuit is shorted.)

    [Exhaust valve timing control position sensor (bank 1) circuit is shorted.]

  • Throttle position sensor (bank 1)
  • Camshaft position sensor (bank 1)
  • Crankshaft position sensor
  • Accelerator pedal position sensor 1
  • Exhaust valve timing control position sensor (bank 1)
RENDER: 1.0x

NO RELATED

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