97251900 Removing and installing rear wire harness
WM 972519 Removing and installing rear wire harness
Tools
Technical values
Preliminary work
1. Disconnect battery. => 271000 Work instructions after disconnecting the battery
2. Remove front seat at left and right. => 720119 Removing and installing front seat - section on "Removing"
3. Remove left and right scuff plate. => 680519 Removing and installing inner door sill trim - section on "Removing"
4. Remove rear side trim panel at left and right. => 707519 Removing and installing rear side trim panel - section on "Removing"
Information
Only in the coupe.
5. Remove C-pillar trim panel. => 706819 Removing and installing C-pillar trim panel - section on "Removing"
6. Removing rear wall trim panel => 703119 Removing and installing trim panel for rear wall - section on "Removing"
7. Remove trim panel for seat well. => 702919 Removing and installing trim panel for seat well - section on "Removing"
8. Remove relay carrier. => 979019 Removing and installing relay carrier - section on "Removing"
Information
Only in the cabriolet.
9. Remove frame for roll-over protection system. => 697719 Removing and installing frame for roll-over protection system - section on "Removing"
Information
Only in the cabriolet.
10. Remove rear window lifter. => 647119 Removing and installing rear power windows - section on "Removing"
Information
Only in the cabriolet.
11. Remove roll-over bar. => 697219 Removing and installing roll-over bar - section on "Removing"
12. Remove auxiliary brake light. => 947019 Removing and installing auxiliary brake light - section on "Removing"
13. Remove rear light at left and right. => 943119 Removing and installing rear light - section on "Removing"
14. Remove rear spoiler. => 635519 Removing and installing rear spoiler - section on "Removing"
15. Remove air cleaner housing. => 242519 Removing and installing air cleaner housing - section on "Removing"
16. Remove reservoir. => 194019 Removing and installing reservoir - section on "Removing"
17. Remove rear underbody cover. => 519419 Removing and installing rear cover - section on "Removing"
Information
Only for vehicles with tyre pressure monitoring
18. Remove rear wheel housing liner. => 536919 Removing and installing rear wheel housing liner - section on "Removing"
Removing rear wire harness
Exposing rear wire harness
1. Remove left footwell trim panel.
Removing lateral footwell trim on driver's side
1.1. Remove fuse carrier cover -1- ( -arrow A- ).
1.2. Unscrew the three fastening screws -2- and take off the footwell trim panel -3- ( -arrow B- ).
2. Remove right footwell trim panel.
Removing lateral footwell trim on passenger's side
2.1. Partly loosen floor covering -1- at the bottom in the area of the A-pillar -arrow A-.
2.2. Unscrew both plastic nuts -2- and take off the footwell trim panel -3- ( -arrow B- ).
3. Loosen seat belt mount at left and right.
Undoing seat belt and fitting
3.1. Press off cap -1- with a screwdriver and unscrew the fastening screw -2-. Remove seat belt with fitting -3- and spacer sleeve -4-.
4. Disengage floor covering at the support and lay it in the vehicle interior.
5. Remove left and right support.
Unlocking locating peg using the removal tool
5.1. Unlock locating peg -1- of the support using the commercially available removal tool Disassembly tool, universal Nr.21.
5.2. Unscrew fastening screws -2- and nuts -3- and carefully pull the support up and out of the retaining points.
Unscrewing fastening screws
6. Remove mounting saddle for rear-seat backrest.
Removing mounting saddle for rear-seat backrest
6.1. Unscrew the two fastening screws -1- and remove mounting saddle for rear-seat backrest -2-.
7. Remove insulating elements in the area of the rear wire harness.
Removing rear wire harness
Overview of plugs for rear wire harness
1. Disconnect plug connection for main wire harness to rear wire harness -1- at left and right.
Releasing plug connection for main wire harness to rear wire harness
1.1. Release and disconnect plug connection for main wire harness to rear wire harness -1- ( -arrow A- ).
2. Release and pull off connector on Tiptronic control unit -2-. => 373019 Removing and installing transmission control module - section on "Removing"
3. Pull off connector on seat-belt tensioner -3- at left and right. => 691319 Removing and installing front three-point seat belt with tensioner - section on "Removing"
3.1. Release and pull off connector on seat-belt tensioner -3- at left and right.
3.2. Remove rubber sleeve -30-.
4. Release and disconnect plug connection for rear window heating -6- at left and right. => 648619 Removing and installing rear window - section on "Removing"
5. Release and pull off connector on DME control module -7-. => 247019 Removing and installing DME control module - section on "Removing"
6. Disconnect PASM plug connection -9- at left and right.
Disconnecting PASM plug connection
6.1. Release and disconnect PASM plug connection -9- ( -arrow a- ).
7. Release and pull off connector on subwoofer -10-. => 913619 Removing and installing subwoofer - section on "Removing"
8. Release and pull off connector on wiper motor for rear window washer -12-. => 923419 Removing and installing wiper motor for rear window washer - section on "Removing"
9. Loosen ground point -13- at left and right.
Loosening ground point
9.1. Screw off fastening nut and remove ground straps.
10. Unclip cable duct -29-.
11. Unclip tie-wrap -31-.
12. Release and disconnect plug connection for oxygen sensor -16- at left and right. => 246919 Removing and installing oxygen sensor ahead of catalytic converter - section on "Removing"
13. Release and disconnect plug connection on rear lock lower part -17-. => 558619 Removing and installing rear lock lower part - section on "Removing"
14. Release and pull off connector on motor for rear lid release -18-. => 558419 Removing and installing motor for rear lid release - section on "Removing"
15. Release and disconnect plug connection for rear wire harness to wire harness for rear lid -22-. => 559019 Removing and installing rear lid - section on "Removing"
16. Disconnect plug connection for rear wire harness to engine wire harness -23-. => 100119 Removing and installing engine - section on "Removing"
Round connectors for engine wire harness
16.1. Release rear wire harness at the two plug connections and disconnect it by turning the bayonet locks anti-clockwise.
17. Disconnect plug on angle sensor for HBA at rear left -24-. => 947919 Removing and installing rear angle sensor for headlight levelling system - section on "Removing"
17.1. Release and pull off connector on angle sensor for HBA at rear left -24-.
17.2. Remove rubber sleeve -30-.
18. Disconnect plug connection for rear wheel sensor -25- at left and right.
Disconnecting plug connection for rear wheel sensor
18.1. Release the cable retainer -arrow A- and pull off the two connectors -arrow B-.
18.2. Unscrew the fastening nut and remove the connector socket -arrow C-.
18.3. Remove rubber sleeve -30-.
19. Pull off connector on rear antenna for tyre pressure monitoring system -26- at left and right. => 443819 Removing and installing antenna for tyre pressure monitoring system - section on "Removing"
19.1. Unclip tie-wrap -31-.
19.2. Release and pull off connector on rear antenna for tyre pressure monitoring system -26- at left and right.
19.3. Remove rubber sleeve -30-.
20. Screw off B+ lead -27- on transmission. => 343519 Removing and installing transmission - section on "Removing"
21. Release and pull off connector on reversing light switch -28-. => 947219 Removing and installing reversing light switch - section on "Removing"
22. Pull rear wire harness out of the engine compartment through the opening in the rear wall into the interior of the vehicle and remove it.
Removing wire harness for auxiliary stop light (Cabriolet)
Overview of wire harness for auxiliary stop light
1. Loosen wire harness for auxiliary stop light on convertible top compartment lid and remove rubber sleeve -2-.
Removing rubber sleeve on wire harness for auxiliary stop light
1.1. Remove wire harness for auxiliary stop light on holder from convertible top compartment lid -arrow A-.
1.2. Remove rubber sleeve of wire harness for auxiliary stop light on convertible top compartment lid -arrow B- and pull out wire harness for auxiliary stop light downward from the convertible top compartment lid.
2. Disconnect wire harness plug connection for auxiliary stop light to rear wire harness -3- and expose wire harness for auxiliary stop light.
Disconnecting plug connection between wire harness for auxiliary stop light and rear wire harness
2.1. Cut both tie-wraps on the wire harness for auxiliary stop light.
2.2. Release wire harness plug connection for auxiliary stop light to rear wire harness -arrow A- and disconnect -arrows B-.
2.3. Pull wire harness for auxiliary stop light out of the fastening part -arrow C-.
Removing wire harness for roll-over protection system (cabriolet)
Overview of plugs for wire harness for roll-over protection system
1. Release and disconnect plug connection for hardtop mount -3-. => 611719 Removing and installing hardtop mount - section on "Removing"
2. Release and disconnect plug connections for rear side panel flap -2- at left and right. => 614219 Removing and installing rear side panel flap - section on "Removing"
3. Unclip and remove wire harness for roll-over protection system -1- at the retaining clips -4-.
Installing rear wire harness
Overview of plugs for rear wire harness
1. Lay rear wire harness in interior of vehicle and push it into the engine compartment through the opening in the rear wall. Lay rear wire harness in engine compartment.
2. Plug in connector on reversing light switch -28- until it engages correctly. => 947219 Removing and installing reversing light switch - section on "Installing"
3. Screw down B+ lead -27- on transmission. => Tightening torque: 10 Nm (7.5 ftlb.) => 343519 Removing and installing transmission - section on "Installing"
4. Plug in connector on rear antenna for tyre pressure monitoring system -26- at left and right. => 443819 Removing and installing antenna for tyre pressure monitoring system - section on "Installing"
4.1. Fit rubber sleeve -30-.
4.2. Plug in connector on rear antenna for tyre pressure monitoring system -26- at left and right until it engages securely.
4.3. Clip tie-wrap -31- into place.
5. Connect plug connection for rear wheel sensor -25- at left and right.
Connecting plug connection for rear wheel sensor
5.1. Fit rubber sleeve -30-.
5.2. Place socket in installation position -arrow A- and screw on the fastening nut. => Tightening torque: 10 Nm (7.5 ftlb.)
5.3. Plug in the two connectors -arrow B-.
5.4. Fold back the cable retainer -arrow C- until it engages correctly at the connectors.
6. Connect plug on angle sensor for HBA at rear left -24-. => 947919 Removing and installing rear angle sensor for headlight levelling system - section on "Installing"
6.1. Fit rubber sleeve -30-.
6.2. Plug in connector on rear left angle sensor for HBA -24- until it engages firmly.
7. Push plug connection for rear wire harness to engine wire harness -23- together. => 100119 Removing and installing engine - section on "Installing"
Round connectors for engine wire harness
7.1. Connect rear wire harness at the two plug connections and lock it by turning the bayonet locks clockwise.
8. Push plug connection for rear wire harness to wire harness for rear lid together -22- until it engages securely. => 559019 Removing and installing rear lid - section on "Installing"
9. Plug in connector on motor for rear lid release -18- until it engages firmly. => 558419 Removing and installing motor for rear lid release - section on "Installing"
10. Push plug connection on rear lock lower part -17- together until it engages securely. => 558619 Removing and installing rear lock lower part - section on "Installing"
11. Push in plug connection for oxygen sensor -16- at left and right until it engages securely. => 246919 Removing and installing oxygen sensor ahead of catalytic converter - section on "Installing"
12. Clip tie-wrap -31- into place.
13. Clip in cable duct -29-.
14. Secure ground point -13- at left and right.
Securing ground point
14.1. Connect ground straps and screw down fastening nut. => Tightening torque: 9 Nm (6.5 ftlb.)
15. Plug in connector on wiper motor for rear window washer -12- until it engages correctly. => 923419 Removing and installing wiper motor for rear window washer - section on "Installing"
16. Plug in connector on subwoofer -10- until it engages firmly. => 913619 Removing and installing subwoofer - section on "Installing"
17. Connect PASM plug connection -9- at left and right.
Connecting PASM plug connection
17.1. Connect PASM plug connection -9- until it engages securely.
18. Plug in connector on DME control module -7- until it engages securely. => 247019 Removing and installing DME control module - section on "Installing"
19. Push in plug connection for rear window heating -6- at left and right until it engages securely. => 648619 Removing and installing rear window - section on "Installing"
20. Plug in connector on seat-belt tensioner -3- at left and right. => 691319 Removing and installing front three-point seat belt with tensioner - section on "Installing"
20.1. Fit rubber sleeve -30-.
20.2. Plug in connector on seat-belt tensioner -3- at left and right until it engages securely.
21. Attach connector to Tiptronic control unit -2- and lock it until it engages firmly. => 373019 Removing and installing transmission control module - section on "Installing"
22. Push plug connection for main wire harness to rear wire harness -1- together at left and right.
Connecting plug connection for main wire harness to rear wire harness
22.1. Push plug connection for main wire harness to rear wire harness -1- together and lock it.
Installing wire harness for auxiliary stop light (Cabriolet)
Overview of wire harness for auxiliary stop light
1. Route wire harness for auxiliary stop light and push together wire harness plug connection for auxiliary stop light to rear wire harness -3-.
Pushing together plug connection between wire harness for auxiliary stop light and rear wire harness
1.1. Press wire harness for auxiliary stop light into fastening part -arrow A-.
1.2. Push together plug connection between wire harness for auxiliary stop light and rear wire harness -arrows B-.
1.3. Fasten wire harness for auxiliary stop light with two new tie-wraps.
2. Fit rubber sleeve -2- of the wire harness for auxiliary stop light and fasten wire harness for auxiliary stop light.
Fitting rubber sleeve on wire harness for auxiliary stop light
2.1. Slide in wire harness for auxiliary stop light from below into the convertible top compartment lid and fit rubber sleeve -arrow A-.
2.2. Push on wire harness for auxiliary stop light with the holder onto the convertible top compartment lid -arrow B-.
Installing wire harness for roll-over protection system (cabriolet)
Overview of plugs for wire harness for roll-over protection system
1. Position wire harness for roll-over protection system -1- on the frame and clip in at the retaining clips -4-.
2. Push in plug connections for rear side panel flap -2- at left and right until they engage securely. => 614219 Removing and installing rear side panel flap - section on "Installing"
3. Push in hardtop mount plug connection -3- until it engages securely. => 611719 Removing and installing mount for hardtop - section on "Installing"
Completing the vehicle
1. Insert insulating elements in the area of the rear wire harness.
2. Install mounting saddle for rear-seat backrest.
Installing mounting saddle for rear-seat backrest
2.1. Position mounting saddle for rear-seat backrest -2- and secure with the two fastening screws -1-. => Tightening torque: 10 Nm (7.5 ftlb.)
3. Install left and right support.
Engaging the support
3.1. Position the support and engage in lower side member.
3.2. Push in the locating peg -1- of the support and check that it is seated correctly.
Securing the support
3.3. Tighten the fastening nuts -3- and fastening screws -2-. => Tightening torque: 7.2 Nm (5.5 ftlb.)
4. Lay the floor covering over the support and engage.
Information
Ensure that belt strap can run properly!
5. Secure seat belt mount at left and right.
Installing seat belt and fitting
5.1. Screw in fastening screw -2- , seat belt and fitting -3- and spacer sleeve -4- on inner lower side member. => Tightening torque: 50 Nm (37 ftlb.)
5.2. Press in cap -1-.
6. Install left footwell trim panel.
Installing lateral footwell trim on driver's side
6.1. Insert footwell trim panel -3- ( -arrow A- ) and screw in the three fastening screws -2-. => Tightening torque: 3 Nm (2 ftlb.)
6.2. Insert the fuse carrier cover -1- with both clips -4- into the lateral footwell trim panel -2- and clip in -arrow B-.
7. Install right footwell trim panel.
Installing lateral footwell trim on passenger's side
7.1. Position footwell trim panel -3- ( -arrow A- ) and screw down with both plastic nuts -2-.
7.2. Secure floor covering -1- at the bottom in the area of the A-pillar -arrow B-.Use double-sided adhesive tape or suitable adhesive.
Subsequent work
Information
Only for vehicles with tyre pressure monitoring
1. Install rear wheel housing liner. => 536919 Removing and installing rear wheel housing liner - section on "Installing"
2. Install rear underbody cover. => 519419 Removing and installing rear cover - section on "Installing"
3. Install reservoir. => 194019 Removing and installing reservoir - section on "Installing"
4. Install air cleaner housing. => 242519 Removing and installing air cleaner housing - section on "Installing"
5. Install rear spoiler. => 635519 Removing and installing rear spoiler - section on "Installing"
6. Install rear light at left and right. => 943119 Removing and installing rear light - section on "Installing"
7. Install additional brake light. => 947019 Removing and installing additional brake light - section on "Installing"
Information
Only in the cabriolet.
8. Install roll-over bar. => 697219 Removing and installing roll-over bar - section on "Installing"
Information
Only in the cabriolet.
9. Install frame for roll-over protection system. => 697719 Removing and installing frame for roll-over protection system - section on "Installing"
10. Install relay carrier. => 979019 Removing and installing relay carrier - section on "Installing"
11. Install trim panel for seat well. => 702919 Removing and installing trim panel for seat well - section on "Installing"
12. Install trim panel for rear wall => 703119 Removing and installing trim panel for rear wall - section on "Installing"
Information
Only in the coupe.
13. Install C-pillar trim panel. => 706819 Removing and installing C-pillar trim panel - section on "Installing"
14. Install rear side trim panel at left and right. => 707519 Removing and installing rear side trim panel - section on "Installing"
15. Install left and right scuff plate. => 680519 Removing and installing inner door sill trim - section on "Installing"
16. Install front seat at left and right. => 720119 Removing and installing front seat - section on "Installing"
17. Carry out work instructions after disconnecting the battery. => 271000 Work instructions after disconnecting the battery