Diagnosis Procedure

2019 Infiniti Q70 3.7 Luxe, AWDSECTION Diagnosis Procedure
  1. PERFORM SELF-DIAGNOSISΒ 

    SYMBOL With CONSULT

    1. Erase self-diagnostic results for "ALL MODE AWD/4WD".
    2. Turn the ignition switch OFF, and then wait 10 seconds or more.
    3. Perform self-diagnosis for "ALL MODE AWD/4WD".

    Is DTC "C1201" detected?

    YES

    Replace AWD control unit. Refer to Removal and Installation .

    NO

    Check AWD control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace error-detected parts.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

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

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.