Engine Wiring Harness - INGENIUM I4 2.0L Petrol, Vehicles With: MHEV (G2320464): Removal

CAUTION: Take extra care not to damage the wiring harness clips.

NOTE:

This procedure contains some variation in the illustrations depending on the vehicle specification, but the essential information is always correct.
This procedure contains illustrations showing certain components removed to provide extra clarity.
Left Hand Drive (LHD) illustration(s) shown, Right Hand Drive (RHD) is similar.
Note the position of the wiring harnesses to aid installation.

Raise and support the vehicle on a suitable 2 post lift.
Refer to: JACKING AND LIFTING .
Disconnect the startup battery ground cable.
Refer to: 12V SYSTEM DISCONNECT .
Remove the engine undershield.
Refer to: ENGINE UNDERSHIELD .
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- Remove the nut.
- Disconnect the Belt Integrated Starter Generator (BISG) in-line connector.
- Disconnect the electrical connector from the Air Conditioning (AC) compressor.
- Release the 3 wiring harness clips.
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- Disconnect the 2 electrical connectors from the coolant pump.
- Release the wiring harness clip.
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- Remove the bolt.
- Release the 2 wiring harness bracket clips.
Drain the cooling system.
Refer to: COOLING SYSTEM PARTIAL DRAINING AND VACUUM FILLING .
Remove the intake manifold.
Refer to: INTAKE MANIFOLD .
Remove the thermostat.
Refer to: THERMOSTAT .
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- Disconnect the electrical connector from the piston cooling jet solenoid.
- Disconnect the electrical connector from the cylinder block temperature sensor.
- Disconnect the electrical connector from the knock sensor.
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- Disconnect the electrical connector from the Crankshaft Position Sensor (CKP).
- Disconnect the electrical connector from the oil pump control solenoid.
- Release the 3 wiring harness bracket clips.
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- Disconnect the 4 electrical connectors from the Continuous Variable Valve Lift (CVVL) solenoids.
- Disconnect the electrical connector from the Camshaft Position Sensor (CMP).
- Release the 2 wiring harness clips.
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- Remove the 2 ground bolts.
- Disconnect the 4 electrical connectors from the on-plug ignition coils.
- Disconnect the electrical connector from the fuel injector wiring harness.
- Disconnect the electrical connector from the fuel rail.
- Disconnect the electrical connector from the CVVL temperature sensor.
- Disconnect the electrical connector from the fuel pump.
Remove the air filter housing.
Refer to: AIR FILTER HOUSING .
Remove the air filter housing outlet pipe.
Refer to: AIR FILTER HOUSING OUTLET PIPE .
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- Disconnect the 2 electrical connectors from the Variable Camshaft Timing (VCT) solenoids.
- Release the 2 wiring harness clips.
- Release the wiring harness bracket clip.
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- Release the 2 coolant hoses from the clip.
- Remove the nut.
- Remove the bolt.
- Release the 2 clips.
- Remove the charge air hose.
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- Disconnect the electrical connector from the turbocharger.
- Disconnect the electrical connector from the Gasoline Particulate Filter (GPF) pressure sensor.
Remove the startup battery tray.
Refer to: STARTUP BATTERY TRAY .
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- Disconnect the electrical connector from the Power Transfer Unit (PTU) wiring harness.
- Disconnect the 2 electrical connectors from the transmission.
- Release the 2 wiring harness clips.
Remove the cowl panel.
Refer to: COWL PANEL .
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- Release the wiring harness grommet.
- Release the wiring harness bracket clip.
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- Disconnect the electrical connector from the Powertrain Control Module (PCM).
- Release the wiring harness clip.
- Loosen, but do not fully remove the bolt.
- Disconnect the 2 electrical connectors from the main wiring harness.
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- Release the 2 clips.
- Remove the heatshield.
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- Disconnect the 2 electrical connectors from the Heated Oxygen Sensors (HO2S).
- Release the 3 wiring harness clips.
Remove the powertrain upper support insulator.
Refer to: POWERTRAIN UPPER SUPPORT INSULATOR .
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Release the coolant hose clamp.
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- Remove the 2 bolts.
- Remove the coolant hose.
- Remove and discard the O-ring seal.
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- Disconnect the electrical connector from the cylinder head temperature sensor.
- Disconnect the electrical connector from the oil pressure and temperature sensor.
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Release the electrical connector clip.
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- Remove the bolt.
- Disconnect the electrical connector from the CMP.
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Remove the engine wiring harness.