Perform diagnosis on removed high-voltage battery

AR47.70-S-0011F

Perform diagnosis on removed high-voltage battery

08.06.2020

Engine

780.701 in model 447

Engine

780.703 in model 910

1

High-voltage battery

24

Diagnostic system

25

Battery diagnostic unit

26

Adapter cable

 Danger

Risk of fire/risk of explosion due to short circuit and escaping oxyhydrogen gas. Risk of (burn) injury caused by caustic burns to eyes, skin and mucous membranes from battery electrolyte/mist, short circuit and arcing. Risk of poisoning caused by swallowing battery electrolyte or absorption of lead through the skin or body orifices. Risk of death due to voltage U >= 30 V AC and U >= 60 V DC.

No fires, sparks, open flames, or smoking. Wear acid-resistant gloves, clothing, and glasses. Pour battery acid only into suitable and appropriately marked containers.

AS54.10-Z-0001-01A

 Danger

Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC)

Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines.

AS00.00-Z-0035-01A

Topical note

Notes on battery

AH54.10-P-0001-01A

Topical note

General information on vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system as well as personal protective equipment

AH00.00-Z-0300-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Preparatory tasks

1

Remove high-voltage battery (1) to be tested.

Engine 780.701 in model 447

AR47.70-S-0002F

Engine 780.703 in model 910

AR47.70-D-0002TE



Check

2

Attach ground strap of adapter cable (26) to housing of high-voltage battery (1).

 Adapter cable

*222589046300

3

Connect diagnostic unit (25) with adapter cable (26) to high-voltage battery (1).



000 586 00 99 00 Battery diagnostic unit

WS54.00-P-0033C

 Adapter cable

*222589046300

4

Establish power supply for diagnostic unit (25).



000 586 00 99 00 Battery diagnostic unit

WS54.00-P-0033C

 For this purpose, use power cable or 12 V voltage cable.

5

Establish power supply for on-board diagnostic system (24).

 Where XENTRY Kit is used, the vehicle diagnosis system (24) must be connected to the external power supply.
The complete function can only be ensured with a constant power supply.

6

Connect vehicle diagnosis system (24) with diagnostic unit (25).



000 586 00 99 00 Battery diagnostic unit

WS54.00-P-0033C

7

Perform check of high-voltage battery (1) with vehicle diagnosis system (24).

Engine 780.701 in model 447

AR47.70-S-0000-00F

Engine 780.703 in model 910

AR47.70-D-0000-00TE

 The operation steps must be performed exactly as per XENTRY Diagnosis Software.

 Select the following menu path:
Battery management system (BMS) 
Special procedures 
High-voltage battery
Further work procedures are menu-assisted.

 Do not clear fault memory when high-voltage battery (1) is removed.

8

Disconnect power supply for diagnostic unit (25).



000 586 00 99 00 Battery diagnostic unit

WS54.00-P-0033C

9

Disconnect power supply for vehicle diagnosis system (24).

10

Remove ground strap of adapter cable (26) from housing of high-voltage battery (1).

 Adapter cable

*222589046300

11

Remove diagnostic unit (25) with adapter cable (26) from high-voltage battery (1).



000 586 00 99 00 Battery diagnostic unit

WS54.00-P-0033C

 Adapter cable

*222589046300

Concluding tasks

12

Install high-voltage battery (1).

Engine 780.701 in model 447

AR47.70-S-0002F

Engine 780.703 in model 910

AR47.70-D-0002TE