ITB03-051Q
Service Bulletin Details
Public Details for: ITB03-051Q
Headlamp, fog lamp, or rear combination lamp fogging this bulletin has been amended. See amendment history on the last page. Please discard previous versions of this bulletin.
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Models from 2023
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2022 INFINITI Q50 |
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2020 INFINITI Q50 |
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Classification: EL03-031Q Reference: Date: ITB03-051Q April 5, 2023 HEADLAMP, FOG LAMP, OR REAR COMBINATION LAMP FOGGING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. APPLIED VEHICLES: 2011-2023 Infiniti SERVICE INFORMATION Occasionally, clients may notice water vapor or fog in the headlamps, fog lamps, or rear combination lamps. The following information, illustrations, and flow chart are provided to help you determine if water/condensation in a lamp is normal or not. Infiniti’s New Vehicle Limited Warranty does not cover physically damaged (cracked or broken) headlamps, fog lamps, or rear combination lamps. All current headlamp, fog lamp, and rear combination lamp assemblies are vented to the atmosphere (not sealed). This is necessary to allow for expansion and contraction of air from temperature "variations" (warmer or colder) without damage to the lamp. Moisture in the air sometimes "travels" into and out of the lamp assembly through these vents. Certain environmental conditions may cause moisture to condense. The fogging/cloudiness should disappear over time when the lamp is in a dry environment. Infiniti Bulletins are intended for use by qualified technicians, not 'do-it-yourselfers'. Qualified technicians are properly trained individuals who have the equipment, tools, safety instruction, and know-how to do a job properly and safely. NOTE: If you believe that a described condition may apply to a particular vehicle, DO NOT assume that it does. See your Infiniti retailer to determine if this applies to your vehicle. 1/5 Fog may temporarily form inside the lens of the headlamp, fog lamp, or rear combination lamp assemblies based on environmental conditions or sudden temperature changes (such as in a car wash, or parked on a cold, sunny day). This is normal. See Figure 1. Head lamp Grille "Cloudy" condensation (fog) Lens area TP030533 Figure 1: Example of normal condensation, ok HINT: This condensation can appear anywhere on the outer lens, typically at its coldest location. Head lamp Grille Water droplets or pools Lens area TP030534 Figure 2: Condition may not be normal (example) If the moisture trickles, drips, or pools, it may not be considered normal and the lamp assembly may have a water leak path. See Figure 2 for an example. If large drops of water collect inside the lens, refer to the flow chart on page 3 to find the next step. 2/5 ITB03-051Q SERVICE PROCEDURE Should a client note water in a headlamp, fog lamp, or rear combination lamp assembly, please use the following flow chart to determine if the condition is normal or requires lamp replacement. Visual inspection: Does the lamp show any puddles, runs on lens, or large (larger than 3 mm diameter) droplets of water? Is there an accumulation of water puddled in the bottom of the lamp, which is 10 mm or more in depth? YES HINT: If there is any physical damage (cracked or broken), replace the assembly. Physical damage is not covered by warranty. YES Replace the lamp assembly. NO Replace only the lamp housing. Reuse any bulbs, sockets, harness, ballasts, etc. NO Within the lamp assembly that has condensation, is the light source or “bulb” a Xenon or Halogen type (nonLED)? See page 4 for bulb type descriptions. NO LED-only lamp assemblies, when turned ON, will not generate enough heat to dissipate normal condensation. YES Pull the vehicle into the service bay. Turn on the lamps. Monitor the condensation in the lamps for 30 minutes. Is condensation area on lens clearing? Refer to the Electronic Service Manual for lamp housing replacement. NO Refer to the Warranty FRT Manual for claims coding when applicable. YES HINT: Not all lamp assembly replacements are covered under warranty. DO NOT replace the lamp assembly. Inform the client the following: Warranty part return of the assembly will be requested. All headlamps, fog lamps, and rear combination lamps allow some moisture (water vapor) inside through vents which prevent physical damage due to pressure buildup when lamps are turned on. Any parts found physically damaged (cracked or broken) will be charged back to the dealer. Certain weather conditions will cause water vapor to become visible on the lens. Any parts determined as “no defect found” may be charged back to the dealer. Condensation will clear on its own as the environmental conditions change. 3/5 ITB03-051Q Headlamp, Fog Lamp, and Rear Combination Lamp Assembly Bulb Types and Identification HINT: Headlamp assemblies can be a combination of the bulbs described below. Halogen bulb Halogen bulbs use a conventional filiment that produces light when electricity is passed through it. This type of bulb can be identified as follows: Has an internal filiment inside the bulb. When turned OFF, the filiment may briefly glow as it cools off. No external Control Module or HID Control Unit is needed to operate them. Xenon bulb Xenon bulbs do not use a filament. Instead, they produce light when a high voltage current is passed between two tungsten electrodes through a mixture of Xenon (an inert gas) and certain other metal halides. This type of bulb can be identified as follows: Has no filiment, but instead has two opposed electrodes that are housed in a capsule the size of a pea, and then is enclosed inside a secondary glass bulb. When turned ON, will illuminate immediately and then over the period of several seconds continue to brighten until it has reached its maximum rated output. When turned OFF, no afterglow will be present. Has an HID Control Unit; usually attached to the headlamp assembly. LED (Light Emitting Diode) bulb LED bulbs are semiconductor devices, which illuminate when forward bias electric voltage is applied. This type of bulb can be identified as follows: Has no filiment or electrodes as described for Halogen or Xenon bulbs. When turned ON, the bulb reaches maximum rated output immediately. When turned OFF, the light output immediately stops; no afterglow present. Has a Control Module; usually attached to the headlamp assembly. 4/5 ITB03-051Q AMENDMENT HISTORY PUBLISHED DATE REFERENCE DESCRIPTION July 29, 2003 ITB03-051 Original bulletin published April 18, 2007 ITB03-051a APPLIED VEHICLES updated to include current production models, and SERVICE PROCEDURE added February 26, 2008 ITB03-051b APPLIED VEHICLES updated to include current production models July 21, 2008 ITB03-051c APPLIED VEHICLES updated to include current production models August 8, 2008 ITB03-051d APPLIED VEHICLES updated to include current production models January 4, 2010 ITB03-051e APPLIED VEHICLES updated to include current production models, and SERVICE PROCEDURE revised February 21, 2012 ITB03-051f APPLIED VEHICLES updated to include current production models, and SERVICE INFORMATION revised November 27, 2013 ITB03-051g APPLIED VEHICLES updated to include current production models January 20, 2015 ITB03-051h Changes made throughout June 15, 2015 ITB03-051i Changes made throughout February 26, 2016 ITB03-051j APPLIED VEHICLES updated to include current production models March 27, 2017 ITB03-051k APPLIED VEHICLES updated to include current production models, and a description of headlamp assembly bulb types has been added. March 19, 2018 ITB03-051L APPLIED VEHICLES updated to include current production models April 20, 2018 ITB03-051m Fog lamps added, and flow chart modified July 7, 2020 ITB03-051n APPLIED VEHICLES updated to include current production models, and rear combination lamps added January 4, 2021 ITB03-051o APPLIED VEHICLES updated to include current production models December 7, 2021 ITB03-051P APPLIED VEHICLES updated to include current production models April 5, 2023 ITB03-051Q APPLIED VEHICLES revised and “NOTE” references changed to “HINT” 5/5 ITB03-051Q