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Home >> Infiniti >> 2017 >> QX70 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 225 (Audio, Visual & Navigation System (INFINITI INTOUCH) (Diagnostic Trouble Codes (DTCS) B1F10-U1725 And Circuit Diagnosis) (Hybrid)) >> DTC / Circuit Diagnosis >> DTC U1300: Av Comm Circuit >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

  1. CHECK SELF DIAGNOSTIC RESULT

    Check if any DTC other than "U1300" is detected in "Self diagnostic result" of "MULTI AV".

    Is any DTC detected?

    YES 

    Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to DTC INDEX .

    NO 

    Replace display control unit. Refer to REMOVAL AND INSTALLATION

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