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Where is the DRL relay on a 2003 Hyundai accent GL?
Im wondering where the daylight running light relay is located on a 2003 Hyundai accent, I have been having issues with the daytime running lights recently but no where I have contacted has been able to help me with the location.
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Daytime Running Lamps
Daytime running lamps are standard on all Saturn models. The DRL relay is located in the UHFB. The coil side of the DRL relay receives battery voltage through the left headlamp fuse. Battery voltage flows through the DRL relay coil to the body control module through CKT 592. The BCM will ground CKT 592 when DRL is required. The BCM uses ignition, park lamp, headlamp, high beam and park brake inputs to control DRL. The DRL will be enabled anytime the ignition is in the RUN position, the headlamp switch is Off and the park brake switch is Off.
Battery voltage is supplied through the left headlamp fuse to CKT 40 to the left high beam lamp. Voltage flows through the left high beam lamp to the IPFB through CKT 1200. Voltage flows to the right DRL relay located in the IPFB through CKT 593. The BCM provides ground to CKT 592 to energize the relay. Voltage flows through the closed contacts of the DRL relay to ground through CKT 150 to the forward lamp ground splice pack. This circuit results in both high beam lamps being connected in series, which allows the high beam lights to operate at half brightness.
The BCM will turn Off the DRL relay when it sees any of the following inputs:
• Gear selector in PARK
• Headlamps ON
• Parking brake ON
• Ignition not in the RUN position
• When automatic lighting control is ON and it is dark outside
The BCM uses the high beam input to determine if the DRL functions are working. If the DRL functions are not operating properly a diagnostic trouble code may be set. Refer to diagnosis in this section for further information.
Before having the BCM repaired as you say ,was it checked for DTC'S - diagnostic trouble codes ? An who repaired it ?
DTC B2600
The daytime running lamps (DRL) are controlled by the body control module (BCM). The BCM grounds the DRL relay control circuit in order to energize the DRL relay coil. This action provides a path to ground for the RH and LH headlamps through the DRL relay and the DRL resistor. The DRL resistor reduces the intensity of the low beam headlamps for DRL operation. The BCM monitors the low and high beam circuits to ensure that the DRLs are operating properly. If the BCM senses that the DRLs are not operating properly, DTC B2600 is set.
The DRL relay or DRL resistor is probably the problem .
DTC B2602
Circuit Description
Daytime running lamps (DRL) are controlled by the body control module (BCM) based on input from the high beam headlamp circuit 1201, the low beam headlamp circuit 1200, the parking brake circuit 1134 and ignition switch state.
When DRL operation is desired, the BCM switches circuit 592 to ground. This action energizes the DRL relay. When energized, the DRL relay operates the left high beam headlamp and right high beam headlamp as a series circuit (one-half of battery voltage across each high beam headlamp).
When DRL operation is not desired, the BCM does not provide ground for the DRL relay. When not energized (as when high beam headlamps are desired) the DRL relay operates the right and left high beam headlamps as a parallel circuit (full battery voltage across each high beam headlamp).
For DRL operation, the parking brake must be fully released, the ignition switch must be in the RUN position and headlamp switch must be in the OFF position. Under normal operating conditions, the feedback voltage to the BCM measured at circuit 1200 is 6-8 volts.
DTC B2603
Your best bet ,take it to a qualified repair shop.
DRL relay ?
The daytime running lamps (DRL) lights are controlled by the body control module (BCM) via the DRL relay when the headlamp and panel dimmer switch is the AUTO position.
The relay is feed by the IGNE fuse when the ignition switch is in the run and crank position, (the coil side of the relay), and the DRL fuse which is hot at all times. The DRL relay is controlled by the BCM based on the input form the ambient light sensor via CKT 592.
The relay supplies current to the lights through CKT 545 and ground through CKT 150 and ground G100.
The DRL lights are on when the vehicle ignition switch is in the run position, park brake is not set, daylight conditions exists and the transmission has been in drive before placing in park. The DRL lights are turned off when the headlamp and panel dimmer switch is turned to the park or head position or the input to the BCM from the ambient light sensor signals that daylight conditions does not exists any more.
The automatic lamp control (ALC) system and the DRL feature can be temporarily disabled by performing the following procedure:
Note: The ALC and DRL cannot be turned off on the Canadian vehicles and some early production vehicles.
Turn the ignition to RUN.
Press the DOME OVERRIDE button four times within six seconds.
A chime will sound informing you that the system is off. The system will remain disabled until the ignition is cycled off and then on or by pressing the DOME OVERRIDE button four more times within six seconds. The chime will sound again signaling that the system has been reactivated.
Have you had vehicle check for DTC'S diagnostic trouble codes . Check fuse's an relays , find wiring diagrams to see what controls these systems ?
Radio/Battery fuse , fuse G 10 amp located in the right instrument panel fuse box . Do you know where this ?
Fuse Block - Right IP - On the right side of the instrument panel
An there is one on the other end of the instrument panel ,driver side .
Fuse Block - Left IP- On the left side of the instrument panel The fuel an temp . gauges not working is probably the step motors inside instrument cluster . GM had problem with this 03 to 06 . How to repair GM Instrument Cluster Speedometer Gauge Stepper
Daytime Running Lamps (DRL)
The ambient light sensor is a light sensitive transistor that varies its voltage signal to the body control module (BCM) in response to changes to the outside (ambient) light level. When the BCM receives this signal it will either turn on the daytime running lights (DRL) or the headlights. Any function or condition that turns on the headlights will cancel the daytime running lamps operation. With the headlight switch in the OFF position, the headlights will either be turned ON or OFF, after an approximate 30 second delay depending on whether daylight or low light conditions are sensed. The HTR A/C IGN fuse in the underhood junction block supplies ignition positive voltage to the daytime running lamp (DRL) relay coil circuit. The DRL relay switch contacts are connected to the low beam circuit. When the headlamp switch is placed in the OFF position, the BCM will either turn on or off the daytime running lamps, depending on whether daylight or low light conditions are sensed. The BCM energizes the DRL relay, closing the switch contacts and grounding the low beam circuit. Ground is provided at G101. The DRL illuminate the low beam headlights at a reduced intensity. The DRL will operate when the ignition switch is in the ON position, the gear selector is not in the PARK position and the parking brake is released. When these conditions have been met and the ambient light sensor indicates daytime conditions, the DRL will illuminate.
DRL operation in Manual Transmission equipped vehicles will occur when the ignition switch is in the ON position, and the parking brake is released. - check fuse's an relay first.
Door Lock System Components
The power door lock system consists of the following components:
?€¢
Driver door lock switch
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Front Passenger door lock switch
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Body Control Module (BCM)
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Relays: Driver Door Unlock--if equipped, Door Unlock, and Door Lock
That piece you think is a ceramic DRL module is a resistor , When in DRL mode voltage to the low beam headlamps circuit goes through that resistor dimming the headlamps from low beam to daytime running lamps . It sounds to me like you need a new resistor ,but without doing some electrical testing it could be a lot of things . The DRL relay in the under hood fuse box could have a problem , could be the BCM - body control module , the ambient light sensor etc... Here is how daytime running lamps work .
Daytime Running Lamps (DRL)
The ambient light sensor is a light sensitive transistor that varies its voltage signal to the body control module (BCM) in response to changes to the outside (ambient) light level. When the BCM receives this signal it will either turn on the daytime running lights (DRL) or the headlights. Any function or condition that turns on the headlights will cancel the daytime running lamps operation. With the headlight switch in the OFF position, the headlights will either be turned ON or OFF, after an approximate 30 second delay depending on whether daylight or low light conditions are sensed. The HTR A/C IGN fuse in the underhood junction block supplies ignition positive voltage to the daytime running lamp (DRL) relay coil circuit. The DRL relay switch contacts are connected to the low beam circuit. When the headlamp switch is placed in the OFF position, the BCM will either turn on or off the daytime running lamps, depending on whether daylight or low light conditions are sensed. The BCM energizes the DRL relay, closing the switch contacts and grounding the low beam circuit. Ground is provided at G101. The DRL illuminate the low beam headlights at a reduced intensity. The DRL will operate when the ignition switch is in the ON position, the gear selector is not in the PARK position and the parking brake is released. When these conditions have been met and the ambient light sensor indicates daytime conditions, the DRL will illuminate.
Oct 17, 2006 - I wonder why Hyundai didn't put it on the US models? ... I wish my Tucson had daytime running lights. ... The DRL module on the Tucson in Canada basically puts 12 volts on ... #8 Postby Hermine » Wed Jun 20, 2007 5:39 pm.
www.hyundaiforum.com > ... > Vehicle Line Up > Hyundai Accent
Apr 25, 2008 - Join Date: May 2007 ... Basically, I've noticed my DRL are no longer working. ... Does anyone know what does the DRL module looks like and where I could find it? ... 04 Daytime running lights, CaptAthlon, Hyundai Elantra, 9 ...
There is no DRL relay , has a lamp control module .
The daytime running lamps (DRL) activate under the following conditions:
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The ignition switch is in the RUN position.
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The ambient light sensor indicates daylight.
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The vehicle is not in the PARK position.
When the above conditions are met, the lamp control module (LCM) supplies battery positive voltage (B+) to the low beam headlamps through CKT 589 (GRY), the DRL resistor, and CKT 12 (TAN). The DRL resistor reduces the voltage supplied by the LCM. The low beam headlamps light at a reduced intensity. The DRL disable if the vehicle is placed in the PARK position. When the ambient light sensor indicates darkness, the low beam headlamps automatically switch from a reduced intensity to a regular intensity.
Lamp Control Module (LCM)
In the center of the IP, below the center heater outlets
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