MERCEDES-BENZ ML430 1997 Complete Repair Manual

Fig. 129: Reverse Signal, Testing, Electrical System, Audio 30 APS
AUDIO 30 APS TEST OF ELECTRICAL SYSTEM GPS ANTENNA - AD82.61-P-6001-05B
Fig. 130: Audio 30 APS Test Of Electrical System GPS Antenna
RADIO AND NAVIGATION UNIT, ILLUMINATION, TESTING, ELECTRICAL SYSTEM, AUDIO SYSTEM 30 APS -
AD82.61-P-6001-06A

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:08 PMPage 226 © 2006 Mitchell Repair Information Company, LLC.

Fig. 131: Radio And Navigation Unit, Illumination, Testing, Electrical System, Audio System 30 APS
AUDIO 30 APS, TESTING, ELECTRICAL SYSTEM - AD82.61-P-6001A
MODEL 163,168,170, 208, 210 with CODE (353) Audio 30 APS
Audio 30 APS, location
of componentsModel 163GF82.61-P-0002-01D
Audio 30 APS, location
of componentsModel 168GF82.61-P-0002-01B
Audio 30 APS, location
of componentsModel 170GF82.61-P-0002-01A
Audio 30 APS, location
of componentsModel 208, 210GF82.61-P-0002-01C
Audio 30 APS operating
instructions GF82.61-P-0002-03A
Audio 30 APS diagnosis,
basic knowledge AD82.61-P-2001A
Connector assignments
on radio and navigation
unit AD82.61-P-2001-02A
Battery voltage 11 -14 V
Testing
1Radio and navigation unit
power supply, testing,
electrical system, Audio
30 APS AD82.61-P-6001-01A
2HHT interface, testing,
electrical system, Audio
30 APS AD82.61-P-6001-02A
3Wheel speed signal,
testing, electrical system,
Audio 30 APS AD82.61-P-6001-03A

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:08 PMPage 227 © 2006 Mitchell Repair Information Company, LLC.

ANTENNA SYSTEM (AS) DIAGNOSIS, CONTENTS - AD82.62-P-1000AZ
MODELS 163, 168, 202.078 /080 /083 /182 /188, 208 (except, 208.4), 202.01 /02/12 as of 1.1.97, 210.0 /2
SPEAKER SYSTEM (LSA) DIAGNOSIS CONTENTS - AD82.62-P-1001AZ
MODEL 163 with CODE (491) U.S. version with CODE (259) Radio Premium with Bose sound system
MODEL 163 with CODE (259a) Radio ML 10 with sound system except CODE (491) U.S. version
MODEL 208 with CODE (810) Sound system with MB radio
4Backup signal, testing,
electrical system, Audio
30 APS Model 163, 168,
170 AD82.61-P-6001-04A
5Backup signal, testing,
electrical system, Audio
30 APS Model 208, 210 AD82.61-P-6001-04B
6GPS antenna, testing,
electrical system, Audio
30 APSModel 168, 170, 208, 210AD82.61-P-6001-05A
7GPS antenna, testing,
electrical system, Audio
30 APSModel 163AD82.61-P-6001-05B
8Radio and navigation
unit, illumination, testing,
electrical system, Audio
30 APS AD82.61-P-6001-06A
I 4.4 [] 11Antenna system (AS)
diagnosis, previous
knowledge AD82.62-P-2000A
I 4.4 [] 12Antenna system (AS)
diagnosis, function check AD82.62-P-3000A
I 4.4 [] 21Antenna systems (AS),
testing electrical system AD82.62-P-6000A
I 5.13 [] 11Loudspeaker system (LS)
diagnosis, previous
knowledge AD82.62-P-2001A
I 5.13 [] 12Loudspeaker system (LS)
diagnosis, function check AD82.62-P-3001A
I 5.13 [] 13aLoudspeaker system (LS)
diagnosis, troubleshootingModel 208AD82.62-P-5001A

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:08 PMPage 228 © 2006 Mitchell Repair Information Company, LLC.

LOUDSPEAKER SYSTEM (LS) DIAGNOSIS, CONTENTS - AD82.62-P-1001BZ
MODEL 163 with CODE (491) U.S. version with CODE (257) Radio Hi-Line
MODEL 163 with CODE (257a) Radio ML 5 except CODE (491) U.S. version
MODEL 168,208 with MB radio
TOOLS, DIAGNOSIS, ANTENNA SYSTEMS (AS) - AD82.62-P-2000-01A
Fig. 132: Identifying Electrical Connection Set (201 589 00 99 00)
I 5.13 [] 13bLoudspeaker system (LS)
diagnosis, troubleshootingModel 163AD82.62-P-5001E
I 5.13 [] 21aLoudspeaker system (LS)
testing electrical systemModel 208AD82.62-P-6001A
I 5.13 [] 21bLoudspeaker system (LS)
testing electrical systemModel 163AD82.62-P-6001E
I 5.12 [] 11Loudspeaker system (LS)
diagnosis, advanced
information AD82.62-P-2001B
I 5.12 [] 12Loudspeaker system (LS)
diagnosis, function check AD82.62-P-3001A
I 5.12 [] 13aLoudspeaker system (LS)
diagnosis, troubleshootingModel 208AD82.62-P-5001B
I 5.12 [] 13bLoudspeaker system (LS)
diagnosis, troubleshootingModel 168AD82.62-P-5001C
I 5.12 [] 13cLoudspeaker system (LS)
diagnosis, troubleshootingModel 163AD82.62-P-5001D
I 5.12 [] 21aLoudspeaker system (LS),
testing electrical systemModel 208AD82.62-P-6001B
I 5.12 [] 21bLoudspeaker system (LS),
testing electrical systemModel 168AD82.62-P-6001C
I 5.12 [] 21cLoudspeaker system (LS),
testing electrical systemModel 163AD82.62-P-6001D

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:08 PMPage 229 © 2006 Mitchell Repair Information Company, LLC.

Commercially available tools
ANTENNA SYSTEM (AS) TEST DIAGRAM - AD82.62-P-2000-02D
Model 163
Test diagram for FM/AM radio/amplifier
Model 163:
Fig. 133: Antenna System (AS) Test Diagram

ANTENNA SYSTEM (AS) DIAGNOSIS, PREVIOUS KNOWLEDGE - AD82.62-P-2000A
MODELS 163, 168, 202.078 /080 /083 /182 /188, 208 (except, 208.4), 202.01 /02/12 as of 1.1.97, 210.0 /2
NumberDesignation
WH58.30-Z-1001-09AMultimeter
Antenna system
(AS), location of
componentsMODEL 208 (except 208.4)GF82.62-P-0001-
03A
MODELS 202.01/02/12 as of 01.01.97
MODELS
202.078/080/083/182/188/210.2GF82.62-P-0001-
03B
Model 168GF82.62-P-0001-

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:08 PMPage 230 © 2006 Mitchell Repair Information Company, LLC.

DIAGNOSTIC TOOLS, LOUDSPEAKER SYSTEM (LS) - AD82.62-P-2001-01A
Fig. 134: Identifying Electrical Connecting Set (201 589 00 99 00)
Commercially available tools
03C
Model 163GF82.62-P-0001-
03D
Model 210.0GF82.62-P-0001-
03H
Wiring diagramsMODEL 202 up to 31.05.97, group 82
Models 202, 208 from 01.06.97PE82.00-P-1100D
Model 168PE82.00-P-1100GC
Model 163PE82.00-P-1100E
Model 210PE82.00-P-1100A
Connecting and
using test
equipment AD00.00-P-
1000AZ
Tooling diagnosis,
antenna system
(AS) AD82.62-P-2000-
01A
Checking chart for
ASMODEL 208 except 208.4AD82.62-P-2000-
02A
MODELS 202.01/02/12 as of 01.01.97
MODELS
202.078/080/083/182/188/210.2AD82.62-P-2000-
02B
Model 168AD82.62-P-2000-
02C
Model 163AD82.62-P-2000-
02D
Model 210.0AD82.62-P-2000-
02F
NumberDesignation
WH58.30-Z-1001-09AMultimeter
WH58.30-Z-1006-09AFunction generator

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:08 PMPage 231 © 2006 Mitchell Repair Information Company, LLC.

COUPLING ASSIGNMENT ON RADIO FOR LOUDSPEAKER SYSTEM (LS) - AD82.62-P-2001-02A
All MB radios
Coupling B
Fig. 135: Identifying Coupling Assignment On Radio For Loudspeaker System (LS)

LOUDSPEAKER SYSTEM (LS) DIAGNOSIS, ADVANCED INFORMATION - AD82.62-P-2001A
MODEL 163 with CODE (491) U.S. version with CODE (259) Radio Premium with Bose sound system
MODEL 163 with CODE (259a) Radio ML 10 with sound system except CODE (491) U.S. version
MODEL 208 with CODE (810) Sound system with MB radio
LOUDSPEAKER SYSTEM (LS) DIAGNOSIS, ADVANCED INFORMATION - AD82.62-P-2001B
MODEL 163 with CODE (491) U.S. version with CODE (257) Radio Hi-Line
Loudspeaker system
(LS), location of
componentsModel 208GF82.62-P-0002-01A
Model 163GF82.62-P-0002-01E
Electric wiring diagram,
radio with sound systemModel 208PE82.00-P-1100D
Model 163PE82.00-P-1100E
Connection and use of
test equipment AD00.00-P-1000AZ
Diagnostic tools,
loudspeaker system (LS) AD82.62-P-2001-01A
Coupling assignment on
radio for loudspeaker
system (LS) AD82.62-P-2001-02A

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:08 PMPage 232 © 2006 Mitchell Repair Information Company, LLC.

MODEL 163 with CODE (257a) Radio ML 5 except CODE (491) U.S. version
MODEL 168, 208 with MB radio
AM AND FM WAVE BANDS, DIAGNOSIS, FUNCTION CHECK, AS - AD82.62-P-3000-01A
Function check
Set radio as follows: Set station with poor reception (music) and fader, bass, treble and balance in
position 0 (shown in display).
Check AM and FM wave bands by driving in a circle in a yard (open-air grounds) to establish the
reception quality.
Possibly repeat the test with an identical vehicle for comparison.
It is absolutely essential to perform the comparison measurement at the same location and with the same
station setting .
Repeat the test after replacing a component.
ANTENNA SYSTEM (AS) DIAGNOSIS, FUNCTION CHECK - AD82.62-P-3000A
MODELS 163, 168, 202.078 /080 /083 /182 /188, 208 (except, 208.4), 202.01 /02/12 as of 1.1.97, 210.0 /2
Loudspeaker system
(LS), location of
componentsModel 208GF82.62-P-0002-01B
Model 168 ModelGF82.62-P-0002-01C
163GF82.62-P-0002-01D
Electric wiring diagramsModel 208PE82.00-P-1100D
Model 168PE82.00-P-1100GC
Model 163PE82.00-P-1100E
Connection and use of
test equipment AD00.00-P-1000AZ
Diagnostic tools,
loudspeaker system (LS) AD82.62-P-2001-01A
Coupling assignment on
radio for loudspeaker
system (LS) AD82.62-P-2001-02A
Antenna system (AS)
diagnosis, previous
knowledge AD82.62-P-2000A
Operational check
Test of Operation /
Requirement Specified value possible cause/ Remedy

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:08 PMPage 233 © 2006 Mitchell Repair Information Company, LLC.

LOUDSPEAKER SYSTEM (LS) DIAGNOSIS, FUNCTION CHECK - AD82.62-P-3001A
MODEL all with MB radio
SPEAKER SYSTEM (LSA) DIAGNOSIS TROUBLESHOOTING - AD82.62-P-5001D
MODEL 163 with CODE (491) U.S. version with CODE (257) Radio Hi-Line
MODEL 163 with CODE (257a) Radio ML 5 except CODE (491) U.S. version
SPEAKER SYSTEM (LSA) DIAGNOSIS TROUBLESHOOTING - AD82.62-P-5001E
1AM and FM wavebands
diagnosis, AS function
check AD82.62-P-3000-01A
Set station with good
reception (music) or play
music cassette or CD
Fader, bass, treble and balance
in position 0 (shown in
display).

Function check
Scope of test Operation/Requirement Specified value Possible
cause/Remedy
1 Loudspeaker Listen to each loudspeaker
individually in the respective
installed position.
Loudspeaker system (LS),
diagnosis, advanced
information AD82.62-P-2001B
Loudspeaker system (LS),
location of components GF82.62-P-0002-01D
Troubleshooting
Complaint Cause Note Remedy
Left front door speaker
(H4/5) inoperativeLoudspeaker (H4/5)
Radio (A2) AD82.62-P-6001-02M
Left rear door speaker
(H4/3) inoperativeLoudspeaker (H4/3)
Radio (A2) AD82.62-P-6001-02O
Right front door speaker
(H4/6) inoperativeLoudspeaker (H4/6)
Radio (A2) AD82.62-P-6001-02P
Right rear door speaker
(H4/4) inoperativeLoudspeaker (H4/4)
Radio (A2) AD82.62-P-6001-02R

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:08 PMPage 234 © 2006 Mitchell Repair Information Company, LLC.

MODEL 163 with CODE (491) U.S. version with CODE (259) Radio Premium with Bose sound system
MODEL 163 with CODE (259a) Radio ML 10 with sound system except CODE (491) U.S. version
RADIO FREQUENCY CONNECTING LINE, ANTENNA SYSTEM (AS) ELECTRICAL SYSTEM TEST - AD82.62-P-6000-02A
Loudspeaker system (LS)
diagnosis, previous
knowledge AD82.62-P-2001A
LS, location of components GF82.62-P-0002-01E
Troubleshooting
Complaint Cause Note Remedy
Loudspeaker system
inoperativeAmplifier control module
(N40/6)
Radio (A2) AD82.62-P-6001-01C
Left rear door speaker
(H4/3) inoperativeLeft rear door speaker
(H4/3) AD82.62-P-6001-02S
Amplifier control module
(N40/6) AD82.62-P-6001-01C
Radio (A2)
Right rear door speaker
(H4/4) inoperativeLoudspeaker group (H4/4) AD82.62-P-6001-02T
Amplifier control module
(N40/6) AD82.62-P-6001-01C
Radio (A2)
Left front door speaker
(H4/5) inoperativeLoudspeaker group (H4/5) AD82.62-P-6001-02U
Amplifier control module
(N40/6) AD82.62-P-6001-01C
Radio (A2)
Right front door speaker
(H4/6) inoperativeLoudspeaker (H4/6) AD82.62-P-6001-02V
Amplifier control module
(N40/6) AD82.62-P-6001-01C
Radio (A2)
Acoustimass (R) bass
module (H4/17)
inoperativeLoudspeaker (H4/17) AD82.62-P-6001-04A
Amplifier control module
(N40/6) AD82.62-P-6001-01C
Radio (A2)

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Electrical System - Body - 163 Chassis
me
Saturday, October 02, 2010 3:30:08 PMPage 235 © 2006 Mitchell Repair Information Company, LLC.