Volkswagen Golf / Golf GTI / Jetta. Manual - part 489

40 - 2

 

Electrical/electronic components and 
installation locations

 

1. Steering angle sensor G85 

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Location: On steering column 
between steering wheel and 
steering column switch  

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Observe installation 
instructions 

 

48-4, 

 

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After replacing steering angle 
sensor G85 a zero 
compensation must be 
performed 

 

48-4, 

 

 

2. Left rear level control system 

sensor G76 on the rear axle 

Electrical/electronic components and installation locations

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General notes 

 

40-2, Level 

control system sensor in 
vehicles with automatic 
headlight range control - 
general information

  

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Installation position front wheel 
drive: 

 

40-2, Left rear level 

control system sensor G76 on 
rear axle for front wheel drive

  

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Installation position all wheel 
drive: 

 

40-2, Left rear level 

control system sensor G76 on 
rear axle for all wheel drive

  

 

3. Left front level control system 

sensor G78 on front axle 

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General notes 

 

40-2, Level 

control system sensor in 
vehicles with automatic 
headlight range control - 
general information

  

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Location: 

 

40-2, Left front 

level control system sensor 
G78 on front axle

  

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Location R32: 

 

40-2, Left 

front level control system 
sensor G78 on front axle R32

  

 

4. Headlight range control module 

J431 

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Location: on left headlight  

 

Level control system sensor in vehicles with 
automatic headlight range control - general 
information 

Vehicles with gas discharge headlights come standard with 
automatic headlight range control.

The automatic headlight range control requires information 
about suspension compression and rebound at the front 
and rear axles.

Electrical/electronic components and installation locations

For this, the position of the left lower control arm in relation 
to the structure is transferred over a connecting link to the 
left front level control system sensor G78 . The sensor 
transmits electrical signals to the headlight range control 
module. 

On the rear axle, signals are transmitted to the control 
module from the left rear level control system sensor G76 . 

These signals are required for determining vehicle height.

The automatic headlight range control reacts automatically 
to changes in vehicle inclination.

The vehicle height can change in the following situations:

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Towing a trailer  

 

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Different load conditions; vehicle empty, vehicle 
partially or fully loaded  

 

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Slow or fast driving habits  

 

Caution!  

 

Adjustment of headlights!

Note: 

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Checking the headlight basic setting is necessary 
when:  

 

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The retaining clamp for the connecting link on the 
lower control arm was loosened  

 

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The lower link/arm was removed and installed or 
replaced  

 

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Work is performed on level control system sensor   

 

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The level control system sensor is replaced  

 

Left front level control system sensor G78 
on front axle 

General notes 

 

40-2, Level control 

system sensor in vehicles with automatic 
headlight range control - general 
information

 

Electrical/electronic components and installation locations

 

Headlight basic settings 

 
 

 

Repair Manual, Electrical Equipment, 

Repair Group 94, Setting gas discharge 
lights; Adjusting gas discharge lights 

1. Bracket  

2. Hex nut, 6 Nm  

3. Level control system sensor G78 

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Check electrically using On 
Board Diagnostics (OBD)  

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When complaints are received 

 Perform basic setting in 

"Guided Fault Finding" with the 
VAS 5051.  

Electrical/electronic components and installation locations