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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 36 (Security Control System (DTC/Circuit Diagnosis) (Except Hybrid)) >> DTC/Circuit Diagnosis >> DTC B2557: Vehicle Speed >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

  1. CHECK DTC OF "ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)"

    Check DTC in "Self-Diagnostic Result" mode of "ABS" using CONSULT.

    Is DTC detected?

    YES 

    Perform the trouble diagnosis related to the detected DTC. Refer to DTC INDEX (with ICC) or DTC INDEX (without ICC).

    NO 

    GO TO STEP 2  .

  2. CHECK DTC OF "COMBINATION METER"

    Check DTC in "Self-Diagnostic Result" mode of "METER/M&A" using CONSULT.

    Is DTC detected?

    YES 

    Perform the trouble diagnosis related to the detected DTC. Refer to DTC INDEX .

    NO 

    GO TO STEP 3  .

  3. CHECK INTERMITTENT INCIDENT

    Refer to INTERMITTENT INCIDENT .

    Inspection End.

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