Retrofit digital tachograph (DTCO)

AN54.61-S-2000EA

Retrofit digital tachograph (DTCO)

05.04.2019

Model

447.6/7

with code FF2 (Centre console with 1-DIN aperture)

with code HZ1 (Auxiliary heater (warm air))

with code JV6 (Tachograph pre-installation kit)

Model

447.6/7

with code JV6 (Tachograph pre-installation kit)

except code ER0 (Basic fittings f. radio)

except code FF2 (Centre console with 1-DIN aperture)

except code S23 (Co-driver's seat double seat)

Model

447.6/7

with code JV6 (Tachograph pre-installation kit)

with code S23 (Co-driver's seat double seat)

except code FF2 (Centre console with 1-DIN aperture)

Modification notes

25.02.2016

Method completely revised

Operation steps 1 to 15

1

Cover

4

Tab

a

Arrow direction

2

Support

5

Electrical connector

A56

Digital tachograph (DTCO) control unit

3

Installation frame

6

Stop plug

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Topical note

Notes on carrying out repair work in the vehicle interior

AH68.00-N-0001-01S



Remove

1.1

Disconnect ground line of on-board electrical system battery (G1)

Model 447.6/7 with code ED4 (Absorbent glass mat battery 12 V 95 Ah) Model 447.6/7 with code EE8 (Battery 12V 100 Ah)



AR54.10-S-0003E

1.2

Remove on-board electrical system battery (G1)

Model 447.6/7 except code ED4 (Absorbent glass mat battery 12 V 95 Ah) except code EE8 (Battery 12V 100 Ah)



AR54.10-S-0005E

 The on-board electrical system battery (G1) installed as standard must be replaced by a higher-performance one, and it can be disposed of after removal.

2

Remove cover (1) from mount (2)


Carefully unclip cover (1).
Otherwise, the mount (2) may be damaged.

 To do so, remove plug connector and antenna connector for radio preinstallation from cover (1) and strap down.

 Long wedge

*115589035900



Install

3

Install installation frame (3) into support (2)


Make sure that the installation frame (3) is seated correctly.
Otherwise the digital tachograph (DTCO) control unit (A56) cannot be installed in a theft-proof manner.

 To do so, push the tabs (4) outwards by approx. 90° in the direction of the arrow (a) using a suitable tool.

4

Plug electrical connectors (5) into digital tachograph (DTCO) control unit (A56)

5

Attach stop plug (6) onto digital tachograph (DTCO) control unit (A56)

6

Install digital tachograph (DTCO) control unit (A56) into installation frame (3)

 The digital tachograph (DTCO) control unit (A56) must engage in the installation frame (3).

7.1

Connect ground line of on-board electrical system battery (G1)

Model 447.6/7 with code ED4 (Absorbent glass mat battery 12 V 95 Ah) Model 447.6/7 with code EE8 (Battery 12V 100 Ah)



AR54.10-S-0003E

7.2

Install new on-board electrical system battery (G1)

Model 447.6/7 except code ED4 (Absorbent glass mat battery 12 V 95 Ah) except code EE8 (Battery 12V 100 Ah)



AR54.10-S-0005E

 Model 447.6/7 with code ED1 (Absorbent glass mat battery 12 V 70 Ah)
Use on-board electrical system battery (G1) accordingly for code ED4 (Absorbent glass mat battery 12 V 95 Ah).

 Model 447.6/7 with on-board electrical system battery (G1) (battery 12 V 74 Ah) installed as standard
Use on-board electrical system battery (G1) accordingly for code EE8 (Battery 12 V 100 Ah).

8

Enter special equipment via Vehicle Documentation (VeDoc)

 Designation of corresponding special equipment: Code JD1 (Tachograph with digital technology).
The existing code JV6 (Tachograph preinstallation) must be removed.

 Model 447.6/7 with code ED1 (Absorbent glass mat battery 12 V 70 Ah)
Designation of affected special equipment; Code ED4 (Absorbent glass mat battery 12 V 95 Ah).
The existing code ED1 (Absorbent glass mat battery 12 V 70 Ah) must be removed.

 Model 447.6/7 with on-board electrical system battery (G1) (battery 12 V 74 Ah) installed as standard
Designation of affected special equipment: Code EE8 (Battery 12 V 100 Ah).

9

Connect diagnostic system and read out fault memory



AD00.00-S-2000-04E

10

Perform SCN coding on electronic ignition lock (EZS) control unit (N73)



AR54.21-S-0015E

 Under the "Control unit adaptations" menu item follow the instructions for "SCN coding".

11

Perform SCN coding of instrument cluster (IC) control unit (A1/1)



AR54.21-S-0015E

 Under the "Control unit adaptations" menu item follow the instructions for "SCN coding".

12

Perform SCN coding on signal acquisition and actuation module (SAM) control unit (N10/1)

Only when on-board electrical system battery (G1) was retrofitted accordingly for code ED4 (Absorbent glass mat battery 12 V 95 Ah) or code EE8 (Battery 12 V 100 Ah).



AR54.21-S-0015E

 Under the "Control unit adaptations" menu item follow the instructions for "SCN coding".

13

Have initial calibration performed by authorized personnel

 When doing so, observe the operator's manual supplied with the digital tachograph (DTCO) control unit (A56).

14

Disconnect diagnostic system from vehicle



Check

15

Perform check in accordance with respective national regulations

 In Germany, the check must be performed in accordance with § 57b StVZO (Straßenverkehrs-Zulassungs-Ordnung - German Regulations Authorizing the Use of Vehicles for Road Traffic).

Parts ordering note

Part no.

Designation

Quantity

KG 99 (siehe EPC)

Tachograph control unit

1

KG 99 (siehe EPC)

Stop plug

1

KG 99 (siehe EPC)

Installation frame

1

KG 99 (siehe EPC)

Absorbent glass mat battery 12 V 95 Ah

n. B.

KG 99 (siehe EPC)

Battery 12 V 100 Ah

n. B.