1997 MERCEDES-BENZ ML350 Complete Repair Manual

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Page 1521 of 4133

MERCEDES-BENZ ML350 1997 Complete Repair Manual HEADLAMP CLEANING SYSTEM (HCS), LOCATION OF COMPONENTS - GF82.15-P-0002-03GH
Control module for headlamp range
adjustment, location/taskMODELS 129, 140,
202, 208, 210 with
code 612b xenon
headla

Page 1522 of 4133

MERCEDES-BENZ ML350 1997 Complete Repair Manual Fig. 12: Identifying Headlamp Cleaning System (HCS) Components Location
HEADLAMP CLEANING SYSTEM (HCS), FUNCTION - GF82.15-P-0002GH
MODEL 163 as of 01.09.01 with CODE ( 600a) headlamp cleaning syst

Page 1523 of 4133

MERCEDES-BENZ ML350 1997 Complete Repair Manual Function prerequisites:
Circuit 15 ON
Function
The headlamp cleaning system is switched on by pressing the SRA [HCS] switch (S4/1) .
The corresponding input of the Extended Activity M

Function prerequisites:
Circuit 15 ON
Function
The headlamp cleaning system is switched on by pressing the SRA [HCS] switch (S4/1) .
The corresponding input of the Extended Activity Module (EAM) (N10/1) , which receives the input
from the switch, sends the signal to relay 5 (F2k5) .
The relay switches circuit 30 , for a duty cycle of approx. 1 second, through to the HCS pump (M5/2) .
The HCS pump (M5/2) builds up pressure in the washing water line.
The water pressure acts against the return springs of the telescopic nozzles.
The telescopic nozzles extend and spray washing water onto the headlamp glass.
After the duty cycle, the pressure in the washing water line drops again and the telescopic nozzles move
back to their starting position due to spring load.
Pressing the SRA [HCS] switch (S4/1) again during an ongoing headlamp cleaning cycle has no effect.
A further cleaning cycle can only be initiated after the previous cycle has ended.
TABLE OF CONTENTS, FUNCTION DESCRIPTION FOR HEADLAMP CLEANING SYSTEM (HCS) - GF82.15-P-0998GHZ
MODEL 163 as of 01.09.01 with CODE (600a) headlamp cleaning system
FUNCTION OF HEADLAMP CLEANING SYSTEM TELESCOPIC NOZZLES - GF82.15-P-2100-04GH
After the HCS pump (M5/2) has started to operate, pressure builds up in the washing water line for approx. 1
Headlamp cleaning system (HCS),
location of components GF82.15-P-0002-
03GH
Telescopic nozzles for headlamp
cleaning system,
location/task/design/function GF82.15-P-2100GH
Extended Activity Module,
location/task/design GF54.21-P-4107GK
Headlamp cleaning system
(HCS), function GF82.15-P-0002GH
Headlamp cleaning system
(HCS), location of components GF82.15-P-0002-
03GH
Survey of system components
for headlamp cleaning system
(HCS), location/task/design/
function GF82.15-P-9998GHZ

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:04 PMPage 28 © 2006 Mitchell Repair Information Company, LLC.

Page 1524 of 4133

MERCEDES-BENZ ML350 1997 Complete Repair Manual second. Driven by the water pressure, the nozzles first move telescopically into the cleaning position. Then as a
result of a further pressure rise, a valve at each telescopic nozzle opens and an exa

Page 1525 of 4133

MERCEDES-BENZ ML350 1997 Complete Repair Manual SURVEY OF SYSTEM COMPONENTS FOR HEADLAMP CLEANING SYSTEM (HCS),
LOCATION/TASK/DESIGN/FUNCTION - GF82.15-P-9998GHZ
MODEL 163 as of 01.9.01 with CODE (600a) headlamp cleaning system
INTERIOR LIGHTIN

Page 1526 of 4133

MERCEDES-BENZ ML350 1997 Complete Repair Manual INTERIOR LIGHTING (IL), FUNCTION - GF82.20-P-0002GH
MODEL 163
The interior lighting can be switched on in two ways: Manually with
the switches for the individual light
automatically by
ope

Page 1527 of 4133

MERCEDES-BENZ ML350 1997 Complete Repair Manual 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

Page 1528 of 4133

MERCEDES-BENZ ML350 1997 Complete Repair Manual 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 tr

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