LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2023 >> QX55 Essential >> Repair and Diagnosis >> Electrical >> Body Electrical >> Body Control System >> Symptom Diagnosis >> Combination Switch System Symptoms >> Symptom Table
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Symptom Table

  1. Check "Data Monitor" MODE of "BCM (COMB SW)" using CONSULT for any malfunctioning item.
  2. Check the malfunction combinations.

    Malfunction item: x

    Malfunction combination

    Data monitor item

    FR WIPER HI

    FR WIPER LOW

    FR WASHER SW

    FR WIPER INT

    INT VOLUME

    RR WIPER ON

    RR WIPER INT

    RR WASHER SW

    TURN SIGNAL R

    TURN SIGNAL L

    TAIL LAMP SW

    HI BEAM SW

    HEAD LAMP SW

    LIGHT OFF SW

    PASSING SW

    AUTO LIGHT SW

    FR FOG SW

    A

    x

    x

    x

    B

    x

    x

    x

    x

    C

    x

    x

    x

    x

    D

    x

    x

    x

    x

    E

    x

    x

    x

    F

    G

    x

    x

    x

    H

    x

    x

    x

    x

    I

    x

    x

    x

    x

    J

    x

    x

    x

    K

    x

    x

    x

    x

    L

    All Items

    M

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

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

    Malfunction combination

    Malfunctioning part

    Repair or replace

    A

    Combination and master light switch INPUT 1 circuit

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

    B

    Combination and master light switch INPUT 2 circuit

    C

    Combination switch INPUT 3 circuit

    D

    Combination and master light switch INPUT 4 circuit

    E

    Combination switch INPUT 5 circuit

    F

    Combination switch INPUT 6 circuit

    G

    Combination switch OUTPUT 1 circuit

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

    H

    Combination switch OUTPUT 2 circuit

    I

    Combination and master light switch OUTPUT 3 circuit

    J

    Combination and master light switch OUTPUT 4 circuit

    K

    Combination and master light switch OUTPUT 5 circuit

    L

    BCM

    Replace BCM. Refer to Removal and Installation .

    M

    Combination switch

    Replace the combination switch. Refer to Removal and Installation .