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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 U12BA: MULTIFUNCTION Switch Conn >> Component Inspection

Component Inspection

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 MULTIFUNCTION SWITCH (1)

    1. Turn ignition switch OFF.
    2. Disconnect multifunction switch harness connector.
    3. Check the resistance between multifunction switch terminals as per the following condition.
      G09161612Courtesy of NISSAN NORTH AMERICA, INC.
      Terminal Switch position Resistance (Ω)
      (+) (-)
      1 2 All OFF 4632 - 4868
      E 390.1 - 410.1
      F 45.3 - 47.7
      4 All OFF 4632 - 4868
      A 605.1 - 636.2
      B 211.2 - 222.0
      G 45.3 - 47.7
      10 All OFF 4632 - 4868
      C 605.1 - 636.2
      D 211.2 - 222.0
      H 45.3 - 47.7

    Is the inspection result normal?

    YES 

    GO TO STEP 2  .

    NO 

    Replace multifunction switch. Refer to REMOVAL AND INSTALLATION .

  2. CHECK MULTIFUNCTION SWITCH (2)

    1. Reconnect all harness connectors disconnected.
    2. Turn ignition switch ON.
    3. Check the voltage between integral switch harness connector terminals as per the following condition.
      Integral switch Condition Voltage
      (Approx.)
      Connector (+) (-)
      Terminal
      M3 32 31 Multifunction switch Rotate 2.0 - 4.3 V
      37

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Replace multifunction switch. Refer to REMOVAL AND INSTALLATION .

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