Mercedes-Benz ML320. Service manual - part 224

 

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Mercedes-Benz ML320. Service manual - part 224

 

 

SWITCHING INTERIOR LIGHTS ON/OFF MANUALLY, FUNCTION - GF82.20-P-2009GH 

MODEL 163  

The front dome lamp (with shut-off delay and reading lamp) (E15/2) , the right rear dome lamp (E15/9) 
and the left rear dome lamp (E15/8) can be switched manually to continuous operation. Each lamp is equipped 
with a switch which is actuated by pressing the lamp glass. 

The actuated switch interrupts the automatic lamp actuation by the all-activity module (AAM, N10) and 
simultaneously switches the lamp connected to c. 30 to ground. Continuous operation can only be terminated by 
pressing the switch again. It is not possible to switch off the automatic lamp actuation. 

 The left front and right front footwell lamps (E17/16 and E17/15) are switched on together with the front 

dome lamp (E15/2) The rear interior lamp (E15/3) can also be switched manually to continuous operation. 
Automatic lamp actuation is actuated directly when the tailgate is opened and not by the all-activity module. It 
is not possible to switch off automatic lamp actuation manually. 

Fig. 16: Identifying Front Dome Lamp (With Shut-Off Delay And Reading Lamp) 

microswitches, 
location/purpose/ 
design/function

 

2001 Mercedes-Benz ML320 

1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis

  

me 

 

Fig. 17: Identifying Left Rear Dome Lamp And Right Rear Dome Lamp 

SWITCHING INTERIOR LIGHTS ON/OFF AUTOMATICALLY, FUNCTION - GF82.20-P-2010GH 

MODEL 163  

Automatic actuation of interior lights is triggered by 

opening a door,  

unlocking vehicle with transmitter key,  

switching off ignition within 30 seconds of switching off exterior lighting (terminal 58k)  

or 

after crash recognition.  

When opening a door, the respective rotary tumbler microswitch (S87/2, S87/3, S87/6 or S87/7) is actuated 
and a signal for automatic light actuation is sent to All-Activity-Module (AAM, N10)  

With crash recognition by ETR control module with airbag (ETR/ AB, N2/2) up to 11.99 or by restraint 
systems control module (N2/7)
 as of 12/99, signal for automatic light actuation is sent to All-Activity-Module
via a separate cable. 

All-Activity-Module actuates corresponding interior lights dimmed and switches them off again, after expiry of 

 

Actuating rear dome 
lamp

 

GF82.20-P-4005GH

 

All-activity module 
(AAM)

 

GF54.21-P-4100GH 

 

2001 Mercedes-Benz ML320 

1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis

  

me 

 

switched-on time. 

  

Lights switched on manually cannot be switched off by All-Activity-Module.  

Rear interior lamp (E15/3) is actuated directly by opening of rear door and not via All-Activity-Module. 

Front and rear entrance and exit lamps (E17/3, E17/4, E17/5 and E17/6) introduced as of 12/99 are 
actuated via the Extended-Activity-Module (EAM) when corresponding door is opened.  

Following table shows which lights are switched on automatically, according to triggering. 

Event

Dome 

lamp with 

delay and 

reading 

lamp, front

Footwell 

lamp, front 

left or right 

(as of 

12.99)

Entrance/exit 

lamp, front left or 

right door (as of 

12.99)

Dome 

lamp, 

front left

Dome 

lamp, rear 

right

Entrance/exit 

lamp, rear left or 

right door (as of 

12.99)

Driver door or 
front passenger 
door opened

X

X

X

 

 

 

Rear left door 
or rear right 
door opened

 

 

 

X

X

X

Central 
locking 
unlocked

X

X

 

X

X

 

Ignition "Off"

X

X

 

X

X

 

Crash 
recognition

X

X

 

X

X

 

 

Control of interior lighting switch-on time, 
function

 

GF82.20-P-
3001GH

 

Dimming interior lighting, function

 

GF82.20-P-
3002GH

 

Control of rear dome lamp, function

 

GF82.20-P-
4005GH

 

Rotary tumbler microswitch, location/purpose/ 
design/function

 

GF82.20-P-
4105GH

 

Locking with transmitter key, function

Up to 11/99

GF80.20-P-
3005GH
 

 

Arrangement/purpose/design/function of All-
Activity-Module (AAM)

Up to 11/99

GF54.21-P-
4100GH
 

 

Arrangement/purpose of Extended-Activity-
Module

 

GF54.21-P-
4106GH
 

 

Supplemental restraint system (SRS), function Up to 11/99

GF91.60-P-

 

2001 Mercedes-Benz ML320 

1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis

  

me 

 

CONTROL OF OPERATING PERIOD OF INTERIOR LIGHTS, FUNCTION - GF82.20-P-3001GH 

MODEL 163  

The switch-on time for the interior lights is controlled by the all-activity module (AAM) (N10) . All lights are 
faded off. 

When the doors are open the corresponding lamps are switched off after 30 min.  

After closing the last front door or last rear door the corresponding lights are switched off after 10 s.  

After recognition of a crash the interior lights are switched back off after 30 min.  

When the ignition is switched on all of the lights are switched off immediately.  

  

Lights switched on manually are not switched off by the AAM 

SWITCHING OFF INTERIOR LIGHTS WITH FADE-OFF FEATURE, FUNCTION - GF82.20-P-3002GH 

MODEL 163  

The interior lights are faded on and off by the all-activity module (AAM) (N10) . For this purpose the lamps 
are actuated by the AAM with a square wave voltage. The frequency of the square wave voltage is 122 Hz and 
remains constant. Only the on/off ratio of the square wave voltage is changed during fade on from 0 to 100 % 
within 2.5 s. When fading off the on/off ratio is reduced from 100 % to 0 % within 2.5 s. 

ACTUATING ENTRANCE/EXIT LAMPS, FUNCTION - GF82.20-P-4004GH 

0002GH 

 

 

As of 12/99

GF91.60-P-
0002GI
 

 

Switching off interior 
lights with face-off 
feature

 

GF82.20-P-3002GH

 

Switching interior lights 
on/off manually, function

 

GF82.20-P-2009GH

 

Switching interior lights 
on/off automatically, 
function

 

GF82.20-P-2010GH

 

All-activity module 
(AAM)

 

GF54.21-P-4100GH 

 

All-activity module 
(AAM)

 

GF54.21-P-4100GH 

 

2001 Mercedes-Benz ML320 

1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis

  

me 

 

 

 

 

 

 

 

 

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