Sensor MERCEDES-BENZ ML500 1997 Complete Repair Manual

GF54.50-P-4100-02GH
Trip computer control module, design

n

The trip computer control module (TRIP, N41) consists of the

following components:
D
Electronics unit

D
LCD display

D
Reset button (left button, N41s1)

D
Mode button (right button, N41s2)

D
Inclination sensor (N41b1)
D

Glass breakage sensor (N41b2)

D
CAN interface

D
Alarm bus to all activity module (AAM, N10)

D
as of 1.9.00: Interface (RS 485) to electronic compass (B26)

Copyright DaimlerChrysler AG 18.05.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorde
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GF54.30-P-2016A
Trip computer interface, location/task
7.7.99

MODEL
129, 140 as of 1.6.96

The trip computer receives the following information via the trip

computer interface (2 lines):
D
Driving speed

D
Mileage

D
Time

-----------------------------------------------------------------------------------------


The trip computer receives information about fuel consumption

directly from the fuel level sensor.

-----------------------------------------------------------------------------------------

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d by Modification services.
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GF54.50-P-4100-01GH
Trip computer control module, task

n

The trip compute control module (TRIP, N41) has the following tasks:

D
Display and calculate the current and average fuel consumption

D
Display and calculate the likely range

D
Display the trip time

D
Display the date

D
as of 1.9.00: Display the route (compass)
On vehicles with

ATA
also to:

D
Display the status of the ATA sensory system (on/OFF)

D
Output a "life sign" on the alarm bus to the all activity module

(AAM, N10)

D
Output an alarm signal on the alarm bus to the all activity

module (AAM, N10) when the
glass breakage sensor (N41b2)

is triggered

D
Output an alarm signal on the alarm bus to the all activity

module (AAM, N10) when the
inclination sensor (N41b2) is

triggered

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AR40.15-P-0080A
Remove/install wheel sensor
1.4.99

MODELS
210.074 /274 with CODE (475) Tire pressure indicator

MODELS
211 with CODE (475) Tire pressure indicator

MODELS
215 with CODE (475) Tire pressure indicator

MODELS
220 with CODE (475) Tire pressure indicator

MODELS
230 with CODE (475) Tire pressure indicator

MODELS
240 with CODE (475) Tire pressure indicator

P40.15-2077-06

1
Union nut

2
Spacer ring (2x45°)

3
Valve body

4
Pin

4
2 mm

5
Screw

a
Date of manufacture

b
Identcode

A69/1
Left front TPM [RDK] wheel sensor

A69/2
Right front TPM [RDK] wheel

sensor

A69/3
Left rear TPM [RDK] wheel sensor

A69/4
Right rear TPM [RDK] wheel sensor

A69/5
Spare wheel TPM wheel sensor


Remove

1
Detach tires

AR40.10-P-1030A

2
Unscrew union nut (1) and remove spacer

ring (2

B
45 °)

Counterhold valve body (3) using

installation tool for tire pressure monitor or pin

4
2 mm (4) in drill hole (arrow).


Installation tool for tire pressure monitor

*WH58.30-Z-1040-06A

3
Remove TPM wheel sensor
Left front tire pressure monitor wheel

sensor (A69/1), right front tire pressure

monitor wheel sensor (A69/2), left rear tire

pressure monitor wheel sensor (A69/3), right

rear tire pressure monitor wheel sensor (A69/4)

4
Unscrew bolt (5) and remove valve body (3).


Check

5
Carry out visual inspection

Do not remove the white filter surface on

the underside of the TPM wheel sensor. Do

not clean TPM wheel sensor with compressed

air, solvents, or detergents. Wipe off dirt with

a clean, lint-free cloth only.


Install new TPM wheel sensor if:

D
The white filter surface of the TPM wheel

sensor is damaged or dirty

D
Tire sealant was used

D
Damage can be seen

D
The TPM wheel sensor is more than 5

years old according to the date of

manufacture (a).


Install


Replace all valve parts.

Observe different valve versions.

6
Insert bolt (5) through the hole in the TPM

wheel sensor and screw on valve body (3)

approx. 3 turns.

When replacing the TPM wheel sensor,

pay attention to the correct transmission
frequency (433 MHZ or 315 MHZ).

7
Insert valve body (3) with TPM wheel sensor

into wheel rim so that the radial bore (arrow)

for countering points upwards.

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8
Install spacer ring (2) and screw on union nut

(1) as far as the stop.

Counterhold valve body (3) using

installation tool for tire pressure monitor or pin

4
2 mm (4) in drill hole (arrow).


Installation tool for tire pressure monitor

*WH58.30-Z-1040-06A

9
Tighten union nut (1).

Secure valve body (2) using installation

tool for tire pressure monitor or pin

4
2 mm

(4), to prevent it from turning


After tightening, pull installation tool for

tire pressure monitor or pin

4
2 mm (4) out of

valve body (3). Danger of damage to tire.


Union nut to valve body

*BA40.15-P-1001-01A


Installation tool for tire pressure monitor

*WH58.30-Z-1040-06A

10
Press RPM wheel sensor gently into drop

center of rim and tighten bolt (5).

Internal torx bolt, wheel sensor to valve

body

*BA40.15-P-1002-01A

11
Note ID code (b) of new TPM wheel sensor.

It is advisable to record the code in the

owner's manual or maintenance booklet.

Initialization

12
Teach in new TPM wheel sensor in TPM

control unit using STAR DIAGNOSIS.
Diagnosis system STAR DIAGNOSIS

*WE58.40-Z-1013-06A

13
Activate the tire pressure monitoring system
Model 211

AR54.30-P-1000-02RAT

Model 230

AR54.30-P-1000-02RAR

Model 240

AR54.30-P-1000-02RAH

n

Tire pressure monitor (TPM), activation
Model 210

GF40.15-P-0001-02A

Model 215, 220 up to 30.9.00

GF40.15-P-0001-02B

Model 215, 220 as of 01.10.00 up to 31.05.01

GF40.15-P-0001-02C

Models 215, 220 as of 01.06.01 up to 31.08.02

GF40.15-P-0001-02D

Model 215, 220 as of 01.09.02
GF40.15-P-0001-02E


Tire pressure monitoring

Number

Designation
Model

210, 211,
215, 220,

230, 240

BA40.15-P-1001-01A
Union nut to valve body
Nm
4

BA40.15-P-1002-01A
Bolt, wheel sensor to valve body
Nm
4

Commercially available tools
(see Workshop Equipment Manual)

Number

Designation
Make (e. g.)
Order number

WH58.30-Z-1040-06A
Installation tool for tire pressure control
Alligator Ventilfabrik

GmbH

Postfach 1120

D-89526 Giengen

232540

Workshop equipment/MB testers
(see Workshop Equipment Manual)

WE58.40-Z-1013-06A
STAR DIAGNOSIS Compact diagnosis system for passenger cars, order number 6511 1801 00

Copyright DaimlerChrysler AG 06.07.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorde
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