976519 Removing and installing wire harness for anti-lock brake system (ABS)

WM 976519 Removing and installing wire harness for anti-lock brake system (ABS)

Preliminary work

1. Remove the relevant wheel. -> 440519 Removing and installing wheel - section on "Removing" Removal and Replacement

Removing wire harness for anti-lock brake system (ABS)

Removing front ABS wire harness





Installation position of front ABS wire harness





Overview of front ABS wire harness





1. Disconnect electric plug connection for main wire harness.
1.1. Release and pull off electric plug connection for main wire harness -1- ( -arrow A- ).
1.2. Pull intermediate lock out of the bracket -arrow B-.
1.3. Pull main wire harness out of the bracket -arrow C-.





Disconnecting main wire harness connector

2. Disconnect electric plug connection for brake pad wear indicator.
2.1. Release and pull off electric plug connection for brake pad wear indicator -1- ( -arrow A- ).
2.2. Turn electric plug connection 90° and remove it from the holder -arrow B-.





Disconnecting connector for brake pad wear indicator

3. Disconnect electric plug connection for ABS sensor.
3.1. Release and pull off electric plug connection -1- on ABS sensor -arrow A-.
3.2. Pull the line out of the holder -arrow B-.
3.3. Remove ABS line.





Disconnecting connector for ABS sensor

Removing rear ABS wire harness





Installation position of rear ABS wire harness





Overview of rear ABS wire harness





1. Disconnect electric plug connection for main wire harness.
1.1. Unclip electric plug connection for main wire harness -1- from the bracket -arrow A-.





Unclipping main wire harness

1.2. Remove electric plug connection for main wire harness from the bracket -arrow B-.
1.3. Release and pull off electric plug connection for main wire harness.
1.4. Unclip retaining clips for main wire harness.
1.5. Remove main wire harness on wheel carrier holder from the bracket.
2. Disconnect electric plug connection for rotation angle sensor.
2.1. Pull off rubber cover -1- ( -arrow A- ).





Disconnecting connector for rotation angle sensor

2.2. Release and pull off electric plug connection for rotation angle sensor -2- ( -arrow B- ).
3. Disconnect electric plug connection for ABS sensor.
3.1. Release and pull off electric plug connection on ABS sensor -1- ( -arrow A- ).





Disconnecting ABS connector

3.2. Pull intermediate lock -2- out of the holder -arrow B-.
4. Disconnect electric plug connection for brake pad wear indicator.
4.1. Release and pull off electric plug connection for brake pad wear indicator -1- ( -arrow A- ).





Disconnecting connector for brake pad wear indicator

4.2. Turn electric plug connection 90° and remove it from the holder -arrow B-.
4.3. Take line for brake pad wear indicator out of the holder -arrow C-.
5. Disconnect electric plug connection for handbrake actuation.
5.1. Release and pull off electric plug connection for handbrake actuation -1- ( -arrow- ).





Disconnecting connector for handbrake actuation

Installing wire harness for anti-lock brake system (ABS)

Installing rear ABS wire harness

1. Plug in electric plug connection for handbrake actuation.
1.1. Plug in electric plug connection for handbrake actuation -1- until it engages securely -arrow-.





Plugging in handbrake connector

2. Plug in electric plug connection for brake pad wear indicator.
2.1. Press line for brake pad wear indicator into the holder -arrow C-.
2.2. Turn electric plug connection 90° and lock it in the holder -arrow B-.
2.3. Plug in electric plug connection for brake pad wear indicator -1- until it engages securely -arrow A-.





Plugging in connector for brake pad wear indicator

3. Plug in electric plug connection for ABS sensor.
3.1. Press intermediate lock -1- into the holder -arrow A-.
3.2. Plug in electric plug connection for the ABS sensor -2- until it engages securely -arrow B-.





Plugging in ABS connector

4. Plug in electric plug connection for rotation angle sensor.
4.1. Plug in electric plug connection for the rotation angle sensor -1- until it engages securely -arrow A-.
4.2. Slide on rubber cover -2- ( -arrow B- ).





Plugging in connector for rotation angle sensor

5. Plug in electric plug connection for main wire harness.
5.1. Press main wire harness on wheel carrier holder into the bracket.
5.2. Clip in retaining clips for main wire harness.
5.3. Plug in electric plug connection for main wire harness -2- until it engages securely.
5.4. Clip electric plug connection for main wire harness -2- into the bracket -1- ( -arrow- ).





Clipping in main wire harness

Installing front ABS wire harness

1. Plug in electric plug connection for ABS sensor.
1.1. Plug in electric plug connection for the ABS sensor -1- until it engages securely -arrow A-.
1.2. Press line into the bracket -arrow B-.





Plugging in connector for ABS sensor

2. Plug in electric plug connection for brake pad wear indicator.
2.1. Turn electric plug connection 90° and lock it in the holder -arrow B-.
2.2. Plug in electric plug connection for brake pad wear indicator -1- until it engages securely -arrow A-.





Plugging in connector for brake pad wear indicator

3. Plug in electric plug connection for main wire harness.
3.1. Plug in electric plug connection for main wire harness -1- until it engages securely -arrow A-.
3.2. Press intermediate lock into the bracket -arrow B-.
3.3. Press main wire harness into the bracket -arrow C-.





Plugging in connector for main wire harness

Subsequent work

1. Install the relevant wheel. -> 440519 Removing and installing wheel - section on "Installing" Removal and Replacement