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Home >> Infiniti >> 2021 >> Q50 Signature Edition, AWD >> Repair and Diagnosis >> Electrical >> Body Electrical >> Body Control System (Diagnostics) >> Symptom Diagnosis >> Body Control System >> Combination Switch System Symptoms >> Symptom Table

Symptom Table

  1. Perform "Data Monitor" of CONSULT to check for any malfunctioning item.
  2. Check the malfunction combinations.

    Malfunction item: x

    Data monitor item

    Malfunction combination

    FR WIPER HI

    FR WIPER LOW

    FR WASHER SW

    FR WIPER INT

    INT VOLUME

    TURN SIGNAL R

    TURN SIGNAL L

    TAIL LAMP SW

    HI BEAM SW

    HEAD LAMP SW 1

    HEAD LAMP SW 2

    PASSING SW

    AUTO LIGHT SW

    FR FOG SW

    x

    x

    x

    x

    A

    x

    x

    x

    x

    B

    x

    x

    x

    C

    x

    x

    x

    D

    x

    x

    E

    x

    x

    F

    x

    x

    G

    x

    x

    x

    H

    x

    x

    x

    x

    I

    x

    x

    x

    x

    J

    All Items

    K

    If only one item is detected or the item is not applicable to the combinations A to K

    L

    All Items are normal

    M

  3. Identify the malfunctioning part from the agreed combination and repair or replace the part.

    Malfunction combination

    Malfunctioning part

    Repair or replace

    A

    Combination switch INPUT 1 circuit

    Inspect the combination switch output circuit applicable to the malfunctioning part. Refer to Diagnosis Procedure .

    B

    Combination switch INPUT 2 circuit

    C

    Combination switch INPUT 3 circuit

    D

    Combination switch INPUT 4 circuit

    E

    Combination switch INPUT 5 circuit

    F

    Combination switch OUTPUT 1 circuit

    Inspect the combination switch input circuit applicable to the malfunctioning part. Refer to Diagnosis Procedure .

    G

    Combination switch OUTPUT 2 circuit

    H

    Combination switch OUTPUT 3 circuit

    I

    Combination switch OUTPUT 4 circuit

    J

    Combination switch OUTPUT 5 circuit

    K

    BCM

    Replace BCM. Refer to BCM : Removal & Installation .

    L

    Combination switch

    Replace combination switch. Refer to COMBINATION SWITCH : Removal & Installation .

    M

    Connector and harness

    Check intermittent incident. Refer to Refer to Inspection .