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Home >> Infiniti >> 2017 >> Q50 Base, RWD >> 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 U1231: BOSE Amp. >> 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 AROUND BOSE AMP.

    Check whether there is any factor which causes a temperature rise near BOSE amp.

    Was there any factor?

    YES 

    GO TO STEP 2  .

    NO 

    Remove a factor.

  2. 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 U1231 detected again?

    YES 

    Replace BOSE amp. Refer to REMOVAL AND INSTALLATION .

    NO 

    INSPECTION END

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