Mercedes-Benz ML320. Service manual - part 716

 

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Mercedes-Benz ML320. Service manual - part 716

 

 

AD54.30-P-6000-01GH

Instrument cluster, testing electrical system IC Model 163

t

A

Scope of test

Measuring instrument/

Test connection

Operation/

Requirement

Specified value D Possible cause/

Remedy

1.0

Instrument cluster (A1) 

Voltage supply, 
terminal 30

w

(A.3)

A1

c

L

 

11

(A.11)

Ignition: OFF

Remove A1

Coupling "A" (18-pin) 

disconnected

11-14 V

D Fuse f13 in fuse and relay 

box F1

D Cables

Value in order

#

t

 1.1

1.1

Voltage supply, 

terminal 15

w

(A.3)

A1

c

L

 9

(A.9)

Ignition: ON

11-14 V

D Fuse f22 in fuse and relay 

box F1

D Cables

Value in order

#

t

 1.2

1.2

Voltage supply,

terminal 15R

w

(A.3)

A1

c

L

 7

(A.7)

Ignition: ON

11-14 V

D Fuse f10 in fuse and relay 

box F1

D Cables

Value in order

#

D A1

Copyright DaimlerChrysler AG  05.06.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorded by Modification services.

Page 1

AD54.30-P-5000GH

Instrument cluster (IC) diagnosis troubleshooting

10.4.97

MODEL 

163

Connection and use of test equipment 

AD00.00-P-1000AZ

Instrument cluster diagnosis, previous 
knowledge

AD54.30-P-2000GH

Explanatory notes on diagnosis 
troubleshooting chart IC

AD54.30-P-5000-01GH

Display instruments controlled via CAN 
troubleshooting chart IC

AD54.30-P-5000-02A

Display instruments controlled directly, 
troubleshooting chart IC

AD54.30-P-5000-03A

Troubleshooting

Complaint

Possible cause

Notes

Remedy/Test step

Instrument cluster (A1) completely inoperative Voltage supply, instrument cluster (A1)

AD54.30-P-6000-01GH

Malfunction indicator lamps or indicator lamps 
inoperative

Voltage supply, instrument cluster (A1) 

AD54.30-P-6000-01GH

HHT and instrument cluster cannot 
communicate

Cables, instrument cluster (A1)

AD54.30-P-6000-02GH

Low brake fluid level/parking brake indicator 
lamp, brake pad wear indicator lamp, ABS 
MIL, malfunction indicator lamp (ETS, ASR, 
ESP) come on together and speedometer 
remains on lower stop.

Traction system control module (N47)

AD42.35-P-1001BZ

RPM counter, engine coolant gauge remain 
on the lower stop and the low engine oil level 
indicator lamp comes on.

Injection system control module (N3)

AD07.61-P-1000AZ

Low brake fluid level/parking brake indicator 
lamp, brake pad wear indicator lamp, low 
engine oil level indicator lamp, ABS MIL, 
malfunction indicator lamp (ETS, ASR, ESP) 
come on together and RPM counter, engine 
coolant gauge and speedometer remain on 
lower stop.

CAN faulty

AD54.30-P-6000-04GH
AD54.30-P-6000-05GH

Steering lock warning lamp (A1e40) is 
continuously illuminated or is inoperative.

Cables, 
steering lock switch (S97/1)

AD54.30-P-6000-06GH

Coolant level indicator disrupted

Cables,

Coolant level indicator electronic switch (S41)

Model 163 as of 3.98

AD54.30-P-6000-42GH

Copyright DaimlerChrysler AG  05.06.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorded by Modification services.

Page 1

GF54.30-P-0002-01GC

Instrument cluster (IC), block diagram

n

 

P54.30-0785-06

58

Terminal 58

58d

Terminal 58d

61

Terminal 61

A1

Instrument cluster

X11/4

Data link connector (DTC readout)

a

Engine control module

b

Traction system control module

c

Engine control module inputs, e.g. 
ECT sensor

d

Traction system control module 
inputs, e.g. wheel speed sensors

e

Direct inputs

f

Transfer case control module (N78) 
(model 163 only)

g

Gear recognition module (A61) or 
automatic clutch control module 
(N15/4) (model 168 only)

Copyright DaimlerChrysler AG  04.06.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorded by Modification services.

Page 1

AF54.30-P-8400A

Instrument cluster indicates: Oil sensor defective, oil level below min. or oil level 
above max. with engine running and at operating temperature. No DTC stored.

19.5.98

MODEL 

129.0, 163.1, 202.0, 208.3 /4, 210.0 /2 /6, 220.0 /1 with ENGINE 112

MODEL 

129.0, 163.1, 202.0, 208.3 /4, 210.0 /2, 220.0 /1 with ENGINE 113

Damage code

Cause

Remedy

54 201 90

Oil low, connector defective or coding error

1

Shut off engine and wait 2 min. (key 
position 0)

 Instrument cluster indicates oil sensor 

defective, oil level below min. or oil level 
above max. with engine warm and running.

No DTC stored in DTC memory!

2

Check oil level with oil dipstick

3

Check oil level on instrument cluster:

- Key in steering wheel lock position 2, 
engine not running
- Wait until - - - - - - appears on 
instrument cluster
- When this is displayed press the reset 
button for the tripodometer twice within 
1 sec. (display appears only after 
expiration of a waiting time (max. 30 
min.) depending on engine oil 
temperature)

 Oil level is at bottom mark on oil dipstick 

and instrument cluster indicates: 

-1L, -1,5L or -2L 

4

Add quantity of oil indicated on 
instrument cluster display and repeat 
test.

 Oil level at upper mark on dipstick and 

instrument cluster indicates either oil level 
okay  or -1L, -1,5L-2L 

#

5

Recode instrument cluster

AF54.30-P-8600A

 Problem still present

#

6

Check cable to oil sensor, oil sensor 
connectors, control module and fuse 
box (see wiring diagram) for good contact

Copyright DaimlerChrysler AG  05.06.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorded by Modification services.

Page 1

 

 

 

 

 

 

 

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