Volkswagen Tiguan Service and Repair Manual: HID Headlamp with Cornering Lamp and LED Daytime Running Lamp

General Information

Note

• Always switch off headlamps with gas-discharge lamps and remove ignition key before working on headlamps.
• Automatic vertical headlamp aim control of headlamps with gas-discharge lamps has On Board Diagnostics (OBD).
• Familiarity with the function and operation of the lighting system is required if there are customer concerns.
• Additional information:
  • Refer to the Owner's Manual.
  • Refer to Self Study Program; No 404; The Tiguan.

Malfunction Recognition and Malfunction Indicator:

The automatic headlamp range control and vehicle electrical system control modules are equipped with OBD which facilitates fault finding for the HID headlamps.

Use the Vehicle Diagnostic Tester in "Guided Fault Finding".

Depending on vehicle equipment, the following functions can be adapted or coded via the Vehicle Electrical System Control Module -J519-.

• Coming Home Time, Adapting
• Leaving Home Time, Adapting
• Rain Light Sensor, Coding
• Coding the wiper motor control module/deactivating the APP function

Overview - HID Headlamp with Cornering Lamp and LED Daytime Running Lamp

Note

After measures that could affect the headlamp adjustment, check the headlamp adjustment and adjust if necessary.

1. Headlamp
   • Removing and installing.
   • Headlamp installation position, correcting.
   • Headlamp mounting tabs, servicing.
   • The headlamp range control positioning motor cannot be removed. If there is damage, replace the headlamp.
2. Left HID Headlamp Bulb -L13- or Right HID Headlamp Bulb -L14-

WARNING

Follow all use and Safety Precautions when replacing HID bulbs.

• Type DS3, 35W
• Replacing.

3. Cap
4. Left Cornering Lamp Bulb -L148- or Right Cornering Lamp Bulb -L149-
   • 12V, 55 W
   • Replacing.
5. Left Front Turn Signal Bulb -M5- and Right Front Turn Signal Bulb -M7-
   • Bulb 12V, PSY 24W
   • Replacing.
6. Cap
7. Headlamp Bolts to Body
   • 4 Nm
   • 6 x 40
8. Cornering Lamp and Headlamp Range Control Module -J745-
   • Removing and installing.
   • Coding.
9. Left Rear Level Control System Sensor -G76-
   • Removing and installing.
   • Checking.
10. Left HID Headlamp Control Module -J343- or Right HID Headlamp Control Module -J344-
    • Removing and installing.
11. HID Headlamp Control Module Screws to Headlamp
    • 3 Nm
12. Headlamp Power Output Stage Screws to Headlamp
    • 3 Nm
13. Carrier
14. Bolts: Headlamp to Carrier
    • 4 Nm
    • 6 x 14
15. Left Headlamp Power Output Stage -J667- or Right Headlamp Power Output Stage -J668-
    • Removing and installing.
16. Left Daytime Running Lamp and Position Lamp LED Module -L176- or Right Daytime Running Lamp and Position Lamp LED Module -L177-
    • Removing and installing.

HID Headlamp with Cornering Lamp and LED Daytime Running Lamps, Removing and Installing

Special tools and workshop equipment required

• Torque Wrench 1331 5-50Nm -VAG1331-

Note

• It is not necessary to disconnect the battery ground cable.
• The following illustrations show removing and installing the left headlamp. Removing and installing the right headlamp is identical.
• If one headlamp is removed, it must always be adjusted after installation.
• If an HID headlamp is removed, perform the basic setting after installation.

Removing

• Switch off the ignition and all electrical consumers and remove the ignition key.
• Remove the front bumper cover.
• Disconnect the connector -arrow-.

• Remove the two bolts -arrows-.

• Remove the front bolt -arrow- from the headlamp.

• Remove the rear bolt -arrow- from the headlamp and pull the headlamp forward and out of the body.

Installing

Install in reverse order of removal. Note the following:

• Tighten all threaded connections to the tightening specifications given in the assembly overview.
• Make sure the gap around the headlamp is even all the way around.

If headlamp has an uneven gap dimension to the body, installation position must be corrected.

• Check the headlamp functions.

Note

If one headlamp is removed, it must always be adjusted after installation.

• Check the headlamp adjustment and adjust the headlamp if necessary.

Headlamp Installation Position, Correcting

Adjusting the HID headlamps is performed the same way as adjusting Halogen headlamps.

Bulbs for HID Headlamp with Cornering Lamp and LED Daytime Running Lamp, Replacing

HID Headlamp Bulb, Replacing

WARNING

Follow all Use and Safety Precautions when replacing HID bulbs.

Note

• The function of the Left HID Headlamp Bulb -L13- and the Right HID Headlamp Bulb -L14- can be checked using the Vehicle Electrical System Control Module -J519- output diagnostic test mode.
• The illustrations show replacing the Right HID Headlamp Bulb -L14-.
• Replacing the Left HID Headlamp Bulb -L13- is identical.

Removing

• Remove the headlamp.
• Remove the cap -1-.

WARNING

• There are pressures from 7 bar (101.52 psi) (cold) to 100 bar (1450 psi) (hot) in the glass cone of the HID bulb. The hot glass of the bulb can reach temperatures of up to 700 ºC (1292 ºF).
• The glass can explode and there is a danger of burning.
• Always wear safety glasses and gloves when removing and installing HID bulbs.

• Release the retaining springs -2- and open in the direction of -arrows A and B-.
• Remove the HID headlamp bulb -1- toward the rear from the reflector.
• Push the side release button in the direction of -arrow A-.
• Remove the connector -2- from the HID headlamp bulb -1-.

HID headlamp bulb: D1S, 35W

Installing

Install in reverse order of removal. Note the following:

• Tighten the threaded connections to the tightening specifications given in the assembly overview.

Caution

• Do not touch the glass of the HID headlamp bulb during installation. Fingers leave traces of grease on the glass which can evaporate when the HID headlamp bulb is switched on causing the glass to cloud.
• The glass of the HID headlamp bulb must not be exposed to any mechanical strain. The glass is extremely sensitive and is also under high pressure.

Caution

Make sure the cap fits correctly when installing it. Water getting in the headlamp will cause damage.

• Check the headlamp functions.
• Check the headlamp adjustment and adjust the headlamp if necessary.

Cornering Lamp Bulb, Replacing

Note

• The following illustrations show changing the Left Cornering Lamp Bulb -L148-.
• Removing and installing the Right Cornering Lamp Bulb -L149- is identical.
• For reasons of clarity, the headlamp is shown in the uninstalled state.
• The headlamp does not need to be removed in order to replace the cornering lamp bulb.

Removing

• Remove the cap -2-.

• Turn the bulb socket -1- for the cornering lamp bulb all the way in the direction of -arrow-.
• Remove the cornering lamp bulb carefully from the headlamp. Pay attention to the wires still connected.

• Remove the cornering lamp bulb -1- from the bulb socket -2- in the direction of -arrow-.

Cornering lamp bulb: H7 12V, 55W

Installing

Caution

Do not touch the glass when installing a bulb. Fingers leave traces of grease on the glass which can evaporate when the HID headlamp bulb is switched on causing the glass to cloud.

Install in reverse order of removal. Note the following:

• Insert the bulb socket -1- with the cornering lamp bulb into the reflector.
• Position the metal tab on the bulb socket -2- on the right stop into the opening in the reflector -3-.
• Turn the bulb socket -1- forward in the direction of -arrow- using light pressure so that the bulb socket locks in the reflector.

Caution

Make sure the cap fits correctly when installing it. Water getting in the headlamp will cause damage.

• Install the cap.
• Check the headlamp functions.

Front Turn Signal Bulb, Replacing

Note

• The following illustrations show replacing the Left Front Turn Signal Bulb -M5-.
• Removing and installing the Right Front Turn Signal Bulb -M7- is identical.
• For reasons of clarity, the headlamp is shown in the uninstalled state.
• The headlamp does not have to be removed in order to replace the front turn signal bulb.

Removing

• Switch off the ignition and all electrical consumers and remove the ignition key.
• Remove the cap -2-.

• Turn the bulb socket -1- with the front turn signal bulb all the way in the direction of -arrow- and remove it from the reflector. Pay attention to the wires still connected.

• Press the locking mechanisms -arrows- and remove the front turn signal bulb -1- from the bulb socket -2-.

Front turn signal bulb: 12V, PSY 24W

Installing

Caution

Make sure the cap fits correctly when installing it. Water getting in the headlamp will cause damage.

Note

Do not touch the glass when installing a bulb. Fingers will leave traces of grease on the glass which, when the light is switched on, will evaporate and cloud the glass.

Install in reverse order of removal. Note the following:

• Install the cap.
• Check the headlamp functions.

Daytime Running Lamp and Position Lamp LED Module

Daytime Running Lamp and Position Lamp LED Module, Removing and Installing

The Left Daytime Running Lamp and Position Lamp LED Module -L149- and the Right Daytime Running Lamp and Position Lamp LED Module -L177- are located inside the headlamp and cannot be replaced individually.

If a failure occurs, the entire headlamp must be replaced.

Headlamp Range Control Positioning Motor

Headlamp Range Control Positioning Motor, Removing and Installing

The headlamp range control positioning motor cannot be removed. If there is damage, replace the headlamp.

HID Headlamp Control Module

HID Headlamp Control Module, Removing and Installing

The Left HID Headlamp Control Module -J343- or the Right HID Headlamp Control Module -J344- is secured at the bottom of the respective headlamp housing.

Note

• The illustrations show removing and installing the Right HID Headlamp Control Module -J344-.
• Removing and installing the Left HID Headlamp Control Module -J343- is identical.

Removing

• Remove the headlamp.
• Remove the three bolts -arrows-.
• Remove the HID headlamp control module -1- straight upward from the headlamp housing while paying attention to the connected wires.

• Disconnect the connectors -arrows- and remove the HID headlamp control module -1-.

Installing

Install in reverse order of removal. Note the following:

Caution

Make sure the seal fits correctly when installing the HID headlamp control module. Water getting in the headlamp will cause damage.

• Tighten the three bolts to the tightening specification specified in the overview.
• Check the headlamp functions.
• Check the headlamp adjustment and adjust the headlamp if necessary.

Headlamp Power Output Stage

Headlamp Power Output Stage, Removing and Installing

The headlamp power output stage is located on the bottom of the respective headlamp housing.

Note

The following illustrations show the procedure for removing and installing the headlamp power output stage on the right headlamp. Removing and installing the left head lamp is identical.

Removing

• Remove the headlamp.
• Remove the three bolts -arrows-.

Note

When removing the front headlamp power output stage from the headlamp housing, the connector is also disconnected at the same time.

• Remove the headlamp power output stage -1- straight upward from the headlamp housing.

Installing

Install in reverse order of removal. Note the following:

Caution

Make sure the seal fits correctly when installing the headlamp power output stage. Water getting in the headlamp will cause damage.

• Tighten the bolts to the tightening specification specified in the overview.
• Check the headlamp functions.

Cornering Lamp and Headlamp Range Control Module -J745-

Cornering Lamp and Headlamp Range Control Module -J745-, Removing and Installing

The Cornering Lamp and Headlamp Range Control Module -J745- is mounted on the tunnel support baseplate between the glove compartment and center console on the passenger side.

Removing

• Switch off the ignition and all electrical consumers and remove the ignition key.
• Remove the glove compartment.
• Remove the bolts -arrows-.
• Remove the control module. Pay attention to the wires still connected.

• Press the tab -arrow- and move the bracket -1- in the direction of -arrow 2-.
• Remove the Cornering Lamp and Headlamp Range Control Module -J745-.

Installing

Install in reverse order of removal. Note the following:

Note

After installing a new cornering lamp and headlamp range control module, the control module must be coded. The basic setting for the headlamp must be performed.

• Check the headlamp functions.
• Check the headlamp adjustment and adjust the headlamp if necessary.

Cornering Lamp and Headlamp Range Control Module -J745-, Coding

The Cornering Lamp and Headlamp Range Control Module -J745- is mounted on the tunnel support baseplate between the glove compartment and center console on the passenger side.

Note

• A possible DTC memory entry "Data BUS comfort, check the DTC memory", must not be updated in the Cornering Lamp and Headlamp Range Control Module -J745-.
• Correct any faults in the Cornering Lamp and Headlamp Range Control Module -J745-.
• When all DTC memory entries, Data Bus Comfort, are corrected, the entry in the Cornering Lamp and Headlamp Range Control Module -J745- are automatically erased.

 

• Code the Cornering Lamp and Headlamp Range Control Module -J745- using the Vehicle Diagnostic Tester.
• Check the headlamp functions.
• Check the headlamp adjustment and adjust the headlamp if necessary.

Note

If Headlamp Range/Cornering Lamp Control Module -J745- is coded, basic setting of headlamp control module must be performed after coding.

Level Control System Sensor

Left Rear Level Control System Sensor -G76-, Removing and Installing

The Left Rear Level Control System Sensor -G76- is located on the left side of the rear axle.

Install the vehicle level sensor.

Note

If the vehicle Level sensors are replaced, headlamp basic setting must be performed .

• Perform the basic setting for the headlamps.

Level Control System Sensor, Checking

The Left Rear Level Control System Sensor -G76- is located on the left side of the rear axle.

The vehicle level sensors transmit vehicle level in the form of a signal to the Cornering Lamp and Headlamp Range Control Module -J745-.

In the following, it will be checked whether Left Rear Level Control System Sensor -G76- and Left Front Level Control System Sensor -G78- send signals which can be evaluated to Cornering Lamp and Headlamp Range Control Module -J745-.

In the following cases, no DTC entry is stored in Cornering Lamp and Headlamp Range Control Module -J745-:

• If the vehicle level sensor was not installed as specified in the Repair Manual
• If the vehicle level sensors are mechanically damaged
• If changed were made to the axle geometry on the vehicle (for example, lowered vehicles)

Note

If the values of the vehicle level sensors are outside the tolerance range, a basic setting of the headlamps cannot be performed.

• Check the vehicle level sensors using the Vehicle Diagnostic Tester.

Headlamp Mounting Tabs, Servicing

The headlamp mounting tabs for headlamps with HID lamps and a cornering lamp are repaired in the same way as in the case of headlamps with halogen lamps.

Headlamp, Adjusting

Adjust the HID headlamp with cornering lamp and LED daytime running lamps.