ar0708w7013ne

Remove/install engine management control unit (MCM)

Type ar · emne 07.08 · version 0200 · 2020-07-20

Gælder for: Engine 936.9 in model 956

Ikke tilgængelig på “da”; vises på Engelsk.

Placering

Funktionsgruppe 1 Motor › 07 Blandingstilberedning › 07.08 Styreenheder — Serie 936 (modeller 9**) · Serie 956

EinPAS 15 Motor › 15.45 Motorstyring › 15.45.11 Styreenhed/relæ — Serie 936 (modeller 9**) · Serie 956

AR07.08-W-7013NE

Remove/install engine management control unit (MCM)

18.06.2020

Engine

936.9 in model 956

Modification notes

16.06.2020

Check for proper operation of engine management, added.

Operation step 25

Remove/install engine management control unit (MCM)

W07.08-1018-09

1

Electrical connector

5

Electrical wiring harness

8

Electrical connector

2

Rubber damper

6

Screw

9

Bracket

3

Bolts

7

Guide tube (oil dipstick)

A4

Engine management control unit (MCM)

4

Electrical connector

Warning

Risk of injury caused by body parts being pinched or crushed as cab is tilted

Ensure that no one is within the tilting range of the cab as it is being tilted. Always tilt the cab all the way to the end position and secure it with the safety strut.

AS60.80-Z-0001-01A

Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Topical note

Notes on tilting the cab

AH60.80-N-0003-01A

Notes on safety-relevant components

AH00.00-Z-0019-01A

Remove

1

Connect diagnostic system, start XENTRY and perform quick test.

Only if motor control module will be replaced.

2.1

Select "Control unit replacement" and follow the instructions.

If the motor control module will be replaced.

Control unit replacement is completely menu-assisted under:
MCM - engine management (A4) 
Adaptation
Initial startup 
Control unit replacement

2.2

Switch off ignition.

If the motor control module will not be replaced.

3

Tilt cab.

4

Remove soundproofing.

5

Disconnect electrical connector (1) and remove plug at bracket.

6

Disconnect electrical connector (4) at motor control module.

7

Remove screw (6) and disconnect electrical connector (8) at motor control module.

8

Expose electrical wiring harness (5) at motor control module.

9

Unclip guide tube (7) at bracket (9).

10

Remove screws (3).

11

Detach motor control module with rubber dampers (2) and remove.

12

Remove bracket (9) at motor control module.

Only if motor control module will be replaced.

Install

13

Install bracket (9) at motor control module.

Only if motor control module will be replaced.

Bolt, holder for oil suction tube/wiring harness to engine management (MCM) control unit

*BA07.16-N-1020-03B

14

Install motor control module with rubber dampers (2).

15

Tighten screws (3).

Screw/bolt, engine management (MCM) control unit to fuel filter module

*BA07.16-N-1014-03B

16

Clip in guide tube (7) at bracket (9).

17

Attach electrical wiring harness (5) at motor control module.

18

Connect electrical connector (8) to motor control module and tighten screw (6).

Bolt, electrical connection to engine management (MCM) control unit

*BA07.16-N-1019-03B

19

Connect electrical connector (4) to motor control module.

20

Connect electrical connector (1) and attach plug to bracket.

21

Install soundproofing.

22

Tilt back cab.

23

Follow instructions for "Control unit replacement" in XENTRY.

Only if motor control module was replaced.

Check

24

Perform engine test run.

Only if motor control module was replaced.

25

Check the engine management for proper operation.

Only if motor control module was replaced.

AR07.08-W-1000-01A

26

End XENTRY and remove the vehicle diagnosis system.

Only if motor control module was replaced.

Common rail diesel injection system

Number

Designation

Engine 936.9

BA07.16-N-1014-03B

Screw/bolt, engine management (MCM) control unit to fuel filter module

M8

Nm

15

Common rail diesel injection system

Number

Designation

Engine 936.9

BA07.16-N-1019-03B

Bolt, electrical connection to engine management (MCM) control unit

Nm

25

Common rail diesel injection system

Number

Designation

Engine 936.9

BA07.16-N-1020-03B

Bolt, holder for oil suction tube/wiring harness to engine management (MCM) control unit

Nm

25

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