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Hyundai Equus Manuals

Hyundai Equus: Head Lamps Repair procedures - Lighting System - Body Electrical System - Hyundai Equus VI 2009-2024 Service ManualHyundai Equus: Head Lamps Repair procedures

Second generation VI (2009–2024) / Hyundai Equus VI 2009-2024 Service Manual / Body Electrical System / Lighting System / Head Lamps Repair procedures

Inspection
Head Lamp Relay Inspection
1.
Pull out the head lamp relay (Low) (A) from the engine compartment relay box.
A : Head lamp(Low) relay

2.
Check for continuity between terminals. There should be continuity between the No.87 and No.30 terminals when power and ground are connected to the No.86 and No.85 terminals.
3.
There should be no continuity between the No.87 and No.30 terminals when power is disconnected.

Inspection
1.
Check-points upon head lamp failure (HID)
(1)
Check the battery voltage. (Low beam will be on when the battery voltage above 9V.)
(2)
Check the fuse and relay.
(3)
Check the polarity of ballast. (If the polarity are changed, low beam doesn't lighten)
(4)
Check the bulb connector securely.
(5)
Visually bulb checking (no filament): damaged glass, damaged for upper parts and lower parts of glass tube.
(6)
After (1)~(5), replace the ballast and the ignitor. (ballast assembly).

2.
Service procedure and warning (HID)
No.
Item
Service procedures
Warning
Remarks
1
Replacement of lamp assembly
1.
Disconnect the power connector from the lamp.
2.
Remove and replace the lamp assembly.
3.
Connect the power connector.
•
Disconnect the head lamp power connector to avoid high voltage.
•
Other description is the same as the halogen bulbs.
2
Replacement of the Bulb
1.
Disconnect the power connector from the lamp. (head lamp, turn signal, head lamp leveling device)
2.
Remove the lamp assembly.
3.
Remove the ballast and dust cover.
4.
Remove the bulb socket and replace the bulb.
5.
Installation is the reverse of removal.
•
Disconnect the head lamp power connector to avoid high voltage.
•
Be careful not to damage the bulb and use genuine bulbs only.
•
Do not apply excessive force and fit it correctly.

3
Replacement of the Ballast (with built-in ignitor)
1.
Disconnect the power connector from the lamp.
2.
Remove the lamp and then the ballast and the dust cover.
3.
Remove the head lamp leveling device and then the bulb socket.
4.
Connect the bulb socket on the replacement ballast and install the leveling device.
5.
Installation is the reverse of removal.
•
Disconnect the head lamp power connector to avoid high voltage.
•
Replace the ballast only and install the used lamp.
•
Replace the sub assembly except the ballast.
4
Others
1.
Power supply should be according to the rated capacity.
2.
Use the rated fuse and wire.
3.
Bulb socket shall be free from moisture or dirt.
4.
Do not apply the ballast severe shock, water, or extreme
•
All parts should be serviced only at specified service centers.
•
HID lamp should not be installed on other cars (Dangerous, fire may occur.)

   
HID lamp shall not be used on other cars.
HID lamp arc-discharge generates high voltage (max. 30,000V) and high current (12-13A), and are different from the halogen lamp specification.
Characteristic
1.
Durable for vibration as there is no filament.
2.
HID lamp had a more long life than halogen lamp.
3.
Does not operate if polarity is changed.
4.
Operating input voltage : 9-16V
Head Lamp Aiming Instructions
The head lamps should be aimed with the proper beam-setting equipment, and in accordance with the equipment manufacturer's instructions.
   
If there are any regulations pertinent to the aiming of head lamps in the area where the vehicle is to be used, adjust so as to meet those requirements.
Alternately turn the adjusting gear to adjust the head lamp aiming. If beam-setting equipment is not available, proceed as follows:
1.
Inflate the tires to the specified pressure and remove any loads from the vehicle except the driver, spare tire, and tools.
2.
The vehicle should be placed on a flat floor.
3.
Draw vertical lines (Vertical lines passing through respective head lamp centers) and a horizontal line (Horizontal line passing through center of head lamps) on the screen.
4.
With the head lamp and battery in normal condition, aim the head lamps so the brightest portion falls on the horizontal and vertical lines.
Make horizontal (High_A), Vertical (Low/High_B) and horizontal (Low_C) adjustments to the lower beam using the adjusting wheel.

1.
Turn on the head lamp low and high beam after placing the vehicle on the flat floor and rurning the engine.
2.
For an air suspension vehicle, the AFLS ECU is initialized by performing the following procedure :
(1)
Check for a failure of air suspension ECU and perform head lamp aiming if the air suspension ECU is O.K.
(2)
When a failure of air suspension ECU is detected, perform the following procedures :
> Perform the initialization of the air suspension ECU.
> Recheck if an air suspension related error code was issued for AFLS ECU.
> If B1638 is not issued, perform head lamp aiming before vehicle release.
> If B1638 is issued, inspect the air suspension ECU.
3.
For a non-air suspension vehicle, perform the following procedure :
(1)
If B1637 is issued, perform the initialization of AFLS ECU vehicle height sensor using the diagnostic device.
(2)
Perform head lamp aiming before vehicle release.
4.
Adjust the "mechanical aiming".
Front Fog Lamp Aiming
The front fog lamps should be aimed as the same manner of the head lamps aiming.
With the front fog lamps and battery normal condition, aim the front fog lamps by turning the adjusting screw (A) with a driver.

Head Lamp And Fog Lamp Aiming Point

1.
Head Lamp (Low beam)
A.
Turn the low beam on without driver aboard.
B.
The cut-off line should be projected in the cut-off line shown in the picture.
C.
If head lamp leveling device is equipped, adjust the head lamp leveling device switch with 0 positions.

2.
Turn the front fog lamp on without the driver aboard.
The cut-off line should be projected in the allowable range (shaded region)

Head lamp fogging
Check the below instruction procedure when the head lamp is fogged.

Removal
1.
Disconnect the negative (-) battery terminal.
2.
Loosening the head lamp (A) mounting bolt (3EA).
For loosening the lower mounting bolt, remove the air cleaner after loosening the mounting bolt.

3.
Disconnect the head lamp connector (A) after removing the head lamp assembly.

   
Take care that holding clip (A) is not to be damaged.

4.
Remove the bulb caps from the head lamp assembly after turning in the counter clock-wise direction.
A : Head Lamp (High) Cap
B : Head Lamp (Low) Cap
[HID Type]

Installation
1.
Install the head lamp assembly after connecting the connector.
2.
Install the air cleaner.
3.
Connect the negative (-) battery terminal.
Replacement
Bulb (HID)
1.
Turn the head lamp switch off.
2.
Remove the lamp assembly.
3.
Disconnect the power connector from the lamp.
4.
Remove the head lamp (Low) cap.
5.
Disconnect the ignitor connector (A).

6.
Remove the head lamp (Low) (A) after loosening the mounting screws.

7.
Installation is the reverse of removal.
   
Turn the head lamp switch off to avoid high voltage
Be careful not to damage the bulb and use genuine bulbs only
•
Do not apply excessive force and fit it correctly.
•
Confirm the bulb locking
Ballast
1.
Turn the head lamp switch off.
2.
Remove the head lamp assembly.
3.
Disconnect the power connector from the lamp.
4.
Remove the ballast (A) after loosening the screws (4EA).

   
Be careful not to be damaged when disconnecting the ballast connector.
5.
Installation is the reverse of removal.
   
•
Turn the head lamp switch off to avoid high voltage.
   
•
HID lamp shall not be used on other cars.
•
HID lamp arc-discharge generates high voltage (max. 20,000V) and high current (12-13A), and are different from the halogen lamp specification.
•
Install the dust cover after confirming the locking state between bulb and bulb holder.
•
When testing the HID head lamp, turn the power on or off with switch between power supply and lamp because of high voltage.
•
Do not operate the head lamp switch with the bulb not installed, because it generates spark momently.
Head Lamp(high) Bulb
1.
Turn the head lamp power off.
2.
Remove the head lamp assembly.
3.
Disconnect the power connector from the lamp.
4.
Remove the head lamp (High) cap.
5.
Remove the clip (A) from the head lamp (High) bulb.

6.
Remove the head lamp (High) bulb (A).

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