Replacing Wiring Harness Section For Engine - I
Replacing Wiring Harness Section For Engine (N62)
Necessary preliminary tasks:
- Read out DME fault memory
- Disconnect battery negative lead
- Engine bonnet/hood in assembly position
- Remove fresh air duct on right and if necessary on left
- Remove center of assembly partition wall
- Remove intake air manifold
- Remove underbody protection at front/rear
- Remove reinforcement plate
- Remove electric fan with fan cowl
- Remove right exhaust manifold
- Remove starter motor
- Remove alternator
Release screws (2).
Detach electronics box cover (1) from fixture (3) in direction of arrow towards right.
Installation:
Secure electronics box cover (1) in direction of arrow on left in fixture (3).
Unfasten following plug connections:
1. Air conditioner compressor
2. Oil-pressure switch
3. VANOS solenoid valves 1-4
4. Knock sensor, right and left
5. Throttle-valve actuator 11 Map thermostat
6. Air-mass sensor
7. Tank venting valve
8. Plug connection BSD alternator
9. VANOS solenoid valves 5-8
10. Coolant temperature sensor
11. Map thermostat
Unfasten following plug connections:
1. Exhaust camshaft sensor
2. VVT sensor (5 to 8)
3. Inlet camshaft sensor
4. Injection wiring harness (5 to 8)
5. VVT servodrive (5 to 8)
6. Release screws.
7. VVT servodrive (1 to 4)
8. Injection wiring harness (1 to 4)
9. Inlet camshaft sensor
10. Exhaust camshaft sensor
11. VVT sensor (1 to 4)
12. Differential pressure sensor
13. DISA gear
Unfasten following plug connections:
1. Automatic transmission
2. Not used
3. Monitor sensor, left and right
4. Term. 50 starter motor
5. Crankshaft sensor
6. Oil level sensor
7. Control sensors (oxygen sensors)
Unfasten following plug connections:
1. Ground connection
2. Ground connection
3. DME module 1 and 2
4. Remove profile seal (4) in direction of arrow
5.
6. VVT control unit
7. IVM integrated supply module
Installation:
Fit profile seals correctly.
Check for water leaks.
Assemble engine.
NOTE:
Check function of DME.
Check electronics box cover and rubber grommets on equipment carrier for watertightness.