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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 U1233: NAVI Control Unit >> 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. PERFORM DTC CONFIRMATION PROCEDURE AGAIN

    G-20 With CONSULT

    1. Turn ignition switch ON.
    2. Erase DTC.
    3. Perform DTC confirmation procedure again. Refer to DTC DESCRIPTION .

    Is DTC U1233 detected again?

    YES 

    Replace NAVI control unit. Refer to REMOVAL AND INSTALLATION .

    NO 

    INSPECTION END

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