Mercedes-Benz ML320. Manual — part 264

INTERIOR LIGHTS TEST OF ELECTRICAL SYSTEM - AD82.20-P-6000GH

MODEL 163

WIPER SYSTEM DIAGNOSIS CONTENTS - AD82.30-P-1002GHZ

MODEL 163

Connection and use of
test equipment

AD00.00-P-1000AZ

Interior lighting
diagnosis, previous
knowledge

AD82.20-P-2000GH

I

AAM voltage supply in
order

AD54.21-P-6000GH

II

Battery voltage 11-14 V

III

Fuses in order

Lighting equipment in
order

Testing

1

Front dome lamp, testing
electrical system of
interior lighting

AD82.20-P-6000-01GH

2

Rear lamps, testing
electrical system of
interior lighting

AD82.20-P-6000-02GH

3

Rear dome lamp, testing
electrical system of
interior lighting

AD82.20-P-6000-03GH

4

Front doors rotary
tumbler microswitch

AD80.20-P-6001-39GH

5

Rear doors rotary tumbler
microswitch

AD80.20-P-6001-40GH

6

Tailgate rotary tumbler
microswitch

AD80.20-P-6001-44GH

A2.2 [] 11a

Wiper system diagnosis,
previous knowledge

AD82.30-P-2002GH

A2.2 [] 12a

Wiper system diagnosis,
function check

AD82.30-P-3002GH

A2.2 [] 14a

Wiper system diagnosis,
troubleshooting

AD82.30-P-5002GH

A2.2 [] 21a

Wiper system, testing
electrical system

AD82.30-P-6002GH

2001 Mercedes-Benz ML320

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

me

WIPER SYSTEM DIAGNOSIS PREVIOUS KNOWLEDGE - AD82.30-P-2002GH

MODEL 163

WIPER SYSTEM DIAGNOSIS OPERATIONAL CHECK - AD82.30-P-3002GH

MODEL 163

Risk of injury due to
getting jammed or
crushed in extreme cases
due to limbs being
severed by coming into
contact with the
windshield wiper
mechanism

Always remove the
ignition key when
working on the
windshield wiper
mechanism.

AS82.30-Z-0001-01A

Location of components,
front screen wiper system

GF82.30-P-0005-01GH

Location of components,
rear screen wiper system

GF82.30-P-0004-01GH

Function description,
wiper system

GF82.30-P-0003GH

Electric wiring diagram,
wiper system

PE82.30-P-2000F

Inter-function groups of
wiring diagrams

PE00.19-P-1100E

Connection and use of
test equipment

AD00.00-P-1000AZ

Diagnostic tools, wiper
system

AD54.21-P-2000-01GH

Location of components, wiper
system

Rear screen wiper
system

&(GF82.30-P-0004-
01GH)

Front screen wiper
system

&(GF82.30-P-0005-
01GH)

Wiper system diagnosis, previous
knowledge

AD82.30-P-2002GH

Prerequisites for function check

I

Battery voltage 11-14V

II

Fuses in order

III

AAM voltage supply in order

AD54.21-P-6000-
01GH

IV

Ignition (terminal 15) ON

Function check

Scope of test

Operation/requirement

Specified value

Possible cause/

2001 Mercedes-Benz ML320

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

me

WIPER SYSTEM DIAGNOSIS TROUBLESHOOTING - AD82.30-P-5002GH

MODEL 163

Remedy

1 Tip wiping

Combination switch (S4) in "Tip
wiping" position

Wiper runs at slower
speed, while S4 is
operated

Cables
AD82.30-P-6002-
09GH
AD82.30-P-6002-
02GH

2 Front screen wiping
Stage 1

Combination switch (S4) in
"Wiping stage 1" position

Wiper runs at slow
speed

Cables
AD82.30-P-6002-
09GH
AD82.30-P-6002-
02GH

3 Front screen wiping
Stage 2

Combination switch (S4) in
"Wiping stage 2" position

Wiper runs quickly

Cables
AD82.30-P-6002-
09GH
AD82.30-P-6002-
02GH

4 Front screen
intermittent wiping

Combination switch (S4) in
"Intermittent wiping" position.

Wiper runs, an
interval of approx. 5
seconds follows each
complete wiping
process

Cables
Intermittent wiper
control
AD82.30-P-6002-
01GH

5 Front screen
washing

Combination switch (S4) in
"Washing" position

Windshield washer
pump (M5/1) operates
while S4 is actuated,
the wiper carries out
three more wiper
processes after the
switch is released

Cables
AD82.30-P-6002-
10GH
AD82.30-P-6002-
04GH

AD82.30-P-6002-
02GH

6 Rear screen
intermittent wipe

Operate "Rear screen intermittent
wipe" on rear window wiper/washer
switch (S78).

Rear wiper runs, an
interval of approx. 5
seconds follows each
complete wiping
process

Cables
AD82.30-P-6002-
06GH
AD82.30-P-6002-
08GH

7 Rear screen washing Operate "Rear screen intermittent

wipe" on rear window wiper/washer
switch (S78).

The rear window
washer pump (M5/3)
operates while S78 is
operated, the wiper
carries on wiping for
3 seconds after the
switch is released and
then stops in the rest
position

Cables
AD82.30-P-6002-
06GH
AD82.30-P-6002-
08GH

AD82.30-P-6002-
05GH

2001 Mercedes-Benz ML320

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

me

Location of components,
wiper system

Front screen

&(GF82.30-P-0005-
01GH)

Rear screen

&(GF82.30-P-0004-
01GH)

Battery voltage 11-14 V

Fuses in order

AAM voltage supply in
order

AD54.21-P-6000-01GH

Troubleshooting

Complaint

Possible cause

Notes

Remedy/Test step

Front wiper system
inoperative

Combination switch (S4)

AD82.30-P-6002-09GH

Wiper motor (M6/1)

AD82.30-P-6002-
02GH, cables

Front wiper does not
function when washing
front screen

Wiper motor (M6/1)

AD82.30-P-6002-02GH

Windshield washer
pump does not function
when washing front
screen

Windshield washer pump
(M5/1)

AD82.30-P-6002-04GH

Front wiper does not
function in wiping stage
1 or stage 2

Combination switch (S4)

AD82.30-P-6002-09GH

Wiper motor (M6/1)

AD82.30-P-6002-02GH

Front wiper does not
function with
intermittent wiping

Combination switch (S4)
All-Activity Module (AAM)
(N10)

AD82.30-P-6002-01GH

Front wiper does not
stop in rest position
when switched off.

Cam-operated switch on
wiper motor (M6/1)

AD82.30-P-6002-07GH

Rear wiper system
inoperative

Rear window wiper/washer
switch (S78)
All-Activity Module (AAM)
(N10)

AD82.30-P-6002-06GH

Rear window wiper
inoperative

Rear window wiper/washer
switch (S78)

AD82.30-P-6002-06GH

Rear window wiper motor
inoperative (M6/4)

AD82.30-P-6002-08GH

Rear window wiper does
not function when
washing rear window

Rear window wiper/washer
switch (S78)

AD82.30-P-6002-06GH

Rear window wiper
cannot be switched off

Rear window wiper motor
relay (M6/4)

AD82.30-P-6002-
03GH, cables

2001 Mercedes-Benz ML320

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

me