Remove/install front passenger side fuse and relay module

AR54.15-P-0004RFW

Remove/install front passenger side fuse and relay module

07.09.2018

Model

253.992/993

1

Electric line

2

Nut

3

Electrical wiring harness

4

Electrical wiring harness

5

Electrical connector

F1/3

Passenger-side A-pillar fuse box

6

Electrical connector

7

Electrical connector

8

Electrical connector

9

Cover

F1/3

Passenger-side A-pillar fuse box

 Danger

Risk of explosion caused by escaping hydrogen or overheating of the fuel tanks when working on the hydrogen system. Risk of frostbite to body parts caused by escaping gas and by touching component parts carrying gas when emptying fuel tanks. Risk of asphyxiation caused by inhalation of air diluted by hydrogen. Risk of burn injuries by coming into contact with an invisible pale blue hydrogen flame.

AS00.00-Z-0030-01B

Topical note

Notes on fuel cell system

AH00.00-P-0022-01RFW

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

 

Remove/install

1

Ensure that the requirements for driving into the workshop are fulfilled.

Topical note

Requirements for driving into the workshop

AH00.00-P-0021-01RFW

2

Print out the "Protokoll Tanksystem, Formular" (tank system event log form), fill it out, and attach to the vehicle in a place where it is easily visible.



OF00.00-P-3000-21RFW

3

Disconnect ground line from battery.

AR54.10-P-0003LW

4

Remove door sill on front passenger side at front.

AR68.30-P-4100LW

5

Remove electric line (1) from circuit 30.

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

 Nut (2) remains on electric line (1).

 Nut, positive line to instrument panel fuse box

*BA54.15-P-1005-01K

6

Expose electrical wiring harnesses (3, 4).

 Installation: Replace all cable ties.

7

Disconnect electrical connector (5).

8

Unclip fuse box on front passenger side A-pillar (F1/3) (arrows).

 Extraction hook

*140589023300

9

Pull electrical fuses out of fuse box on front passenger side A-pillar (F1/3).



Assignment of passenger-side A-pillar fuse box

GF54.15-P-1256-48RFM

 Installation: Pay attention to the fuse assignment.

 The number of fuses can vary depending on the equipment installed.

10

Disconnect electrical connectors (6, 7, 8).

11

Remove cover (9) from A-pillar fuse box on front passenger side (F1/3).

12

Unplug electric lines in area of cover (9) from fuse box on front passenger side A-pillar (F1/3).

 The number of electrical connectors may vary depending on the equipment. Do not pull out electrical lines from cover (9).

 Wiring harness repair kit, basic

*000589139900

 New passenger car wiring harness repair kit

*220589049900

13

Remove fuse box on front passenger side A-pillar (F1/3).

14

Install in the reverse order.

 Fuse and relay box

Number

Designation

Model 253

BA54.15-P-1005-01K

Nut, positive line to instrument panel fuse box

M6

Nm

8

M8

Nm

16