Part 2
Tow bar wiring, 7-pin
Checking the 7-pin connector:
1. Left indicator lamps
2. Rear fog lamp / reversing lamp / charging
3. Ground
4. Right indicator lamps
5. Right parking lamps
6. Brake lamp
7. Left parking lamps
Steps 17-26 apply to the S80
- Fold back the carpet.
- Remove the clips on the lower edge of the folding panel (on both the right-hand and left-hand sides) by pressing in the centre of the clip until an audible snap is heard.
- Remove the clips.
- Unscrew the front clips.
- Turn the knob (1) on the right-hand and left-hand sides 90°.
- Fold the panels inwards. Lift the panels out.
- Remove the two covers (2) and the underlying screws (3).
- First, pull the boot lid sill trim panel (4) forwards until the two clips on the right-hand and left-hand sides release. Pull forcefully but carefully since the panel is fitted tightly. Pull the panel straight up until the four clips in the lower edge release.
- Remove the wiring (5) for cargo compartment lighting.
- Lift out the sill trim panel.
- Remove the drain hose (1) from the battery.
- Remove the rubber seal (2). It will not be re-used.
- Pull off the small, thin rubber strap on the new rubber seal.
- Insert the old drain hose through the new rubber seal. Make sure the hose is not obstructed and that it is not folded.
Note! It is only possible to connect one of the functions (rear fog lamps, charging or reversing lamps) according to steps Tow bar wiring, 7-pin Removal and Replacement - Tow bar wiring, 7-pin Removal and Replacement. You can also choose not to connect any of the functions.
If the rear fog lamp function will be used: Illustration A
- Carefully press down the small catch in the locking mechanism for the grey (GR) 12-pin connector with a small screwdriver. Pull out the locking mechanism until it stops.
Illustration B
- Connect the blue (BL) cable to position 2 in the connector.
- Move the locking mechanism back to locked position.
- Insulate the cable terminal and secure the blue (BL) cable if it is not intended for connection.
If the charging function will be used: Illustration A
- Carefully press out the blue locking mechanism in the black 12-pin connector with a small screwdriver.
Illustration B
- Connect the blue/yellow (BL/Y) cable to position F in the black (SB) 12-pin connector.
- Move the locking mechanism back to locked position.
- Insulate the cable terminal on the unused black/yellow (SB/Y) cable and secure the cable to the cable harness. If neither cable is intended for connection, insulate and secure both cables.
If the reversing light function will be used: Illustration A
- Carefully press out the blue locking mechanism in the black 12-pin connector with a small screwdriver.
Illustration B
- Connect the black/yellow (SB/Y) cable to position H in the black (SB) 12-pin connector.
- Move the locking mechanism back to locked position.
- Insulate the cable terminal on the unused blue/yellow (BL/Y) cable and secure the cable to the cable harness. If neither cable is intended for connection, insulate and secure both cables.
Illustration A
- Route the cable harness from the tow bar connector through the hole in the floor.
- Adjust the position of the rubber seal (1) so that there is not excessive cable slack under the car.
- Install the rubber seal in the hole.
- Connect the drainage hose (2) to the battery.
- Route the cable harness as shown in the illustration over the rear edge of the left-hand side member to the fuse holder.
Illustration B
- Secure the cable harness to the cable harness behind the battery with tie straps (3) from the kit.
- Connect the routed ground cable to the grounding point (4) behind the battery and tighten the grounding screw securely.
- Detach the trailer module (TRM) from the Velcro fastener on the back side of the plate in front of the fuse holder.
- Plug in the tow bar wiring connectors:
- green (GN) and grey (GR) connectors to the control module.
- black (SB) connector to the fuse holder.
- Reinstall the control module.
- Secure the excess cable with a tie strap from the kit.
- Insert fuses from the kit in the following positions in the fuse holder (REM):
- 20A in position 20 (mini fuse) if the charging function according to step Tow bar wiring, 7-pin Removal and Replacement has been selected
- 25A in position 29
- 25A in position 30
- Plug in the connectors for sill trim panel lighting and reinstall the panel.
- Reinstall the folding panels.
- Reinstall the cargo compartment carpet.
Applies to connection of the function for automatic rear fog lamp deactivation
Note! The function requires car-specific software. Program the software.
Checking the 7-pin connector:
1. Left indicator lamps
2. Rear fog lamp / reversing lamp / charging
3. Ground
4. Right indicator lamps
5. Right parking lamps
6. Brake lamp
7. Left parking lamps
Steps 27-40 apply to the V70
- Remove the two floor hatches in the cargo compartment.
- Remove the storage box from under the rear floor hatch by turning the clip on the left and right-hand sides 90°. Lift out the box.
- Remove the left-hand folding panel in the cargo compartment.
- Remove the left-hand side panel by first removing the cover and screw from the front edge.
- Pull the top of the panel out until the clips release.
- Fold the panel inwards. Lift the panel out.
Applies only to cars with the extra seat or subwoofer accessories
- Remove the screw (1), the nuts (2) and then the bracket (3) (pull the bracket forwards).
- Lift off the protective cover (4).
- Remove the two screws in the tailgate sill trim panel.
- Remove the dummy plug from the hole in the body, see the illustration (battery draining is not affected).
Note! It is only possible to connect one of the functions (rear fog lamps, charging or reversing lamps) according to steps Tow bar wiring, 7-pin Removal and Replacement - Tow bar wiring, 7-pin Removal and Replacement. You can also choose not to connect any of the functions.
If the rear fog lamp function will be used: Illustration A
- Carefully press down the small catch in the locking mechanism for the grey (GR) 12-pin connector with a small screwdriver. Pull out the locking mechanism until it stops.
Illustration B
- Connect the blue (BL) cable to position 2 in the connector.
- Move the locking mechanism back to locked position.
- Insulate the cable terminal and secure the blue (BL) cable if it is not intended for connection.
If the charging function will be used: Illustration A
- Carefully press out the blue locking mechanism in the black 12-pin connector with a small screwdriver.
Illustration B
- Connect the blue/yellow (BL/Y) cable to position F in the black (SB) 12-pin connector.
- Move the locking mechanism back to locked position.
- Insulate the cable terminal on the unused black/yellow (SB/Y) cable and secure the cable to the cable harness. If neither cable is intended for connection, insulate and secure both cables.
If the reversing light function will be used: Illustration A
- Carefully press out the blue locking mechanism in the black 12-pin connector with a small screwdriver.
Illustration B
- Connect the black/yellow (SB/Y) cable to position H in the black (SB) 12-pin connector.
- Move the locking mechanism back to locked position.
- Insulate the cable terminal on the unused blue/yellow (BL/Y) cable and secure the cable to the cable harness. If neither cable is intended for connection, insulate and secure both cables.
Illustration A
- Route the cable harness from the tow bar connector through the hole in the floor.
- Adjust the position of the rubber seal (1) so that there is not excessive cable slack under the car.
- Install the rubber seal in the hole.
- Route the cable harness as shown in the illustration. Pull up the sill trim panel on the left-hand side and place the cable harness in the space along the rear edge of the left-hand floor support. Make sure the cable harness is not pinched before reinstalling the sill trim panel.
- Tighten the sill trim panel securely.
Illustration B
- Secure the cable harness to the cable harness behind the battery with a tie strap (2) from the kit.
- Connect the routed ground cable to the grounding point (3) behind the battery and tighten the grounding screw securely.
- Detach the trailer module (TRM) from the front edge of the cover on the ventilation opening along the rear edge of the left-hand rear wheel housing.
- Plug in the tow bar wiring connectors:
- green (GN) and grey (GR) connectors to the control module.
- black (SB) connector to the fuse holder.
- Reinstall the control module.
- Secure the excess cable with a tie strap from the kit.
- Insert fuses from the kit in the following positions in the fuse holder (REM):
- 20A in position 20 (mini fuse) if the charging function according to step Tow bar wiring, 7-pin Removal and Replacement has been selected
- 25A in position 29
- 25A in position 30
- Reinstall the side panel.
- Reinstall the folding panel.
- Reinstall the battery cover and bracket if applicable.
- Reinstall the storage compartment and floor hatches.
Applies to connection of the function for automatic rear fog lamp deactivation
Note! The function requires car-specific software. Program the software.
Checking the 7-pin connector:
1. Left indicator lamps
2. Rear fog lamp / reversing lamp / charging
3. Ground
4. Right indicator lamps
5. Right parking lamps
6. Brake lamp
7. Left parking lamps