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HOMESERVICE MANUALSINFINITI2019Q70 3.7 LUXE, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 2 (ENGINE CONTROL SYSTEM (5.6L) (DTC/CIRCUIT DIAGNOSIS) (2 OF 9))DTC/CIRCUIT DIAGNOSISDTC P0102, P0103, P010C, P010D: MAF SENSORDTC 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

P0102

MAF SEN/CIRCUIT-B1

[Mass air flow sensor (bank 1) circuit low input]

An excessively low voltage from the sensor is sent to ECM.
  • Harness or connectors

    (The mass air flow sensor (bank 1) circuit is open or shorted.)

  • Intake air leaks
  • Mass air flow sensor

P0103

MAF SEN/CIRCUIT-B1

[Mass air flow sensor (bank 1) circuit high input]

An excessively high voltage from the sensor is sent to ECM.
  • Harness or connectors

    (The mass air flow sensor (bank 1) circuit is open or shorted.)

  • Mass air flow sensor

P010C

MAF SEN/CIRCUIT-B2

[Mass air flow sensor (bank 2) circuit low input]

An excessively low voltage from the sensor is sent to ECM.
  • Harness or connectors

    (The mass air flow sensor (bank 2) circuit is open or shorted.)

  • Intake air leaks
  • Mass air flow sensor

P010D

MAF SEN/CIRCUIT-B2

[Mass air flow sensor (bank 2) circuit high input]

An excessively high voltage from the sensor is sent to ECM.
  • Harness or connectors

    (The mass air flow sensor (bank 2) circuit is open or shorted.)

  • Mass air flow sensor
RENDER: 1.0x

NO RELATED

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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  • • You are missing required tools, torque specs, or safe lifting equipment.
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