975219 Removing and installing wire harness for engine
WM 975219 Removing and installing wire harness for engine
Technical values
Preliminary work
1. Remove rear wheels. => 44051900 Removing and installing wheel - section on "Removing"
2. Disconnect the battery. => 2706IN00 Work instructions after disconnecting the battery
3. Remove generator. => 272219 Removing and installing generator - section on "Removing"
4. Remove intake-air distributor. => 24461900 Removing and installing intake-air distributor - section on "Removing"
Removing wire harness for engine
Installation position of engine wire harness
Connector assignment for engine wire harness
1. Release and pull off connectors on the six bar ignition modules -4, 6, 8, 33, 35, 37-. => 287020 Removing and installing spark plugs - section on "Removing"
2. Release and pull off connectors on the six injectors -20, 21, 22, 27, 28, 29-. => 24401900 Removing and installing fuel injectors - section on "Removing"
3. Release and pull off connectors on the two knock sensors -23, 30-. => 287219 Removing and installing knock sensor - section on "Removing"
4. Release and pull off connectors on the two hall senders -11, 40-. => 283919 Removing and installing hall senders - section on "Removing"
5. Release and pull off connectors on the two solenoid hydraulic valves for camshaft adjustment -12, 41-. => 15371900 Removing and installing solenoid hydraulic valve for camshaft adjustment - section on "Removing"
6. Release and pull off connectors on the two solenoid hydraulic valves for valve lift control -10, 39-. => 15551900 Removing and installing solenoid hydraulic valve for valve lift control - section on "Removing"
7. Unscrew ground straps for the bar ignition modules for cylinder 1-3 and cylinder 4-6 -5, 7, 9, 34, 36, 38-. Two fastening screws are used on each side -arrow-.
Ground straps for bar ignition modules
8. Release and pull off the connector on the speed sender -15-.
9. Release connector on tank vent -31- (securing clip) and pull it off. => 202319 Removing and installing tank vent - section on "Removing"
10. Release and pull off connector on engine compartment temperature sensor -32-.
11. Release and pull off connector on oil-level sensor for rail -18-.
12. Release and pull off connector on oil-level sender -24-.
13. Release and pull off connector on tuning flap -25- (3.8-litre engine only).
14. Release and pull off connector on oil temperature sensor -19-.
15. Screw off fastening nut on starter lead for terminal 50 -26- and remove the lead. => 276019 Removing and installing starter - section on "Removing"
16. Release and pull off connector on compressor -16-. => 873419 Removing and installing compressor - section on "Removing"
17. Release and pull off connector on throttle housing -17-. => 24421900 Removing and installing throttle housing - section on "Removing"
18. Release and pull off connector on water temperature sensor -13-.
19. Release and pull off connector on oil pressure regulating valve -14-.
20. Release and pull off connector on flow control valve -43-.
21. Disconnect the three plug connections from the engine wire harness to the rear wire harness -1, 2, 3- (bayonet lock).
Round connectors for engine wire harness
22. Unclip the cable duct at the left and right on the fuel distribution pipes.
Unclipping cable duct at the left and right
23. Unscrew the three fastening screws on the cable duct -44, 45, 46- and unclip and remove the cable duct.
Removing cable duct
24. Remove wire harness for engine.
Installing wire harness for engine
Connector assignment for engine wire harness
1. Lay out wire harness for engine.
Installation position of engine wire harness
2. Clip in the cable duct and screw in the three fastening screws -44, 45, 46-. => Tightening torque: 23 Nm (17 ftlb.) => Tightening torque: 13 Nm (9.5 ftlb.)
Installing cable duct
3. Clip in the cable duct at the left and right on the fuel distribution pipes.
Clipping in cable duct at the left and right
4. Plug in and lock the three plug connections from the engine wire harness to the rear wire harness -1, 2, 3- (bayonet lock).
5. Plug in connector on flow control valve -43- until the connector engages securely.
6. Plug in connector on oil pressure regulating valve -14- until the connector engages securely.
7. Plug in connector on water temperature sensor -13- until the connector engages securely.
8. Plug in connector on throttle housing -17- until the connector engages securely. => 24421900 Removing and installing throttle housing - section on "Installing"
9. Plug in connector on compressor -16- until the connector engages securely. => 87341900 Removing and installing air conditioning compressor - section on "Installing"
10. Fit starter lead for terminal 50 -26- and secure with the fastening nut. => Tightening torque: 6.5 Nm (5.5 ftlb.) => 276019 Removing and installing starter - section on "Installing"
11. Plug in connector on oil pressure temperature sensor -19- until the connector engages securely.
12. Plug in connector on tuning flap -25- (3.8-litre engine only) until the connector engages securely.
13. Plug in connector on oil-level sender -24- until the connector engages securely.
14. Plug in connector on oil level sensor for rail -18- until the connector engages securely.
15. Plug in connector on engine compartment temperature sensor -32- until the connector engages securely.
16. Plug in connector on tank vent -31- until the connector engages securely. => 202319 Removing and installing tank vent - section on "Installing"
17. Plug in connector on speed sender -15- until the connector engages securely.
18. Screw on ground straps for the bar ignition modules for cylinder 1-3 and cylinder 4-6 -5, 7, 9, 34, 36, 38-. Two fastening screws are used on each side -arrow-.=> Tightening torque: 10 Nm (7.5 ftlb.)
Ground straps for bar ignition modules
19. Plug in connectors on the two solenoid hydraulic valves for the valve lift adjusters -10, 39- until the connectors engage securely. => 15551900 Removing and installing solenoid hydraulic valve for valve lift control - section on "Installing"
20. Plug in connectors on the two solenoid hydraulic valves for the camshaft actuators -12, 41- until the connectors engage securely. => 15371900 Removing and installing solenoid hydraulic valve for camshaft adjustment - section on "Installing"
21. Plug in connectors on the two hall senders -11, 40- until the connectors engage securely. => 283919 Removing and installing hall senders - section on "Installing"
22. Plug in connectors on the two knock sensors -23, 30- until the connectors engage securely. => 28721900 Removing and installing knock sensor - section on "Installing"
23. Plug in connectors on the six injectors -20, 21, 22, 27, 28, 29- until the connectors engage securely. => 24401900 Removing and installing fuel injectors - section on "Installing"
24. Plug in connectors on the six bar ignition modules -4, 6, 8, 33, 35, 37- until the connectors engage securely. => 287020 Removing and installing spark plugs - section on "Installing"
Subsequent work
1. Install intake-air distributor. => 24461900 Removing and installing intake-air distributor - section on "Installing"
2. Install generator. => 272219 Removing and installing generator - section on "Installing"
3. Connect the battery. => 2706IN00 Work instructions after disconnecting the battery
4. Mount rear wheels. => 44051900 Removing and installing wheel - section on "Installing"