1056F94 SYSTEM WIRING HARNESS ON ENGINE R R - Alfa - 159 - eLearn

939010542 - 1056F94 SYSTEM WIRING HARNESS ON ENGINE R R

) - Position the vehicle on a lift. Op. 1072B50 AIR CHAMBER - R.R. Op. 5530B10 BATTERY - R+R Op. 5530B52 BATTERY SUPPORT/DRIP TRAY - R.R - Undo the bolts and remove the ignition coil cover.1. Open the junction unit cover and disconnect the electrical connections.

	Description	Connector
1	Engine compartment junction unit	See B001 JUNCTION UNIT

1. Disconnect the electrical connection from the electronic injection system control unit.

	Description	Connector
1	Engine management control unit	See M010 ENGINE MANAGEMENT ECU

1. Disconnect the electrical connection from the fuel pressure regulator on the air intake/fuel manifold duct.

	Description	Connector
1	Fuel pressure regulator	See N077 FUEL PRESSURE REGULATOR

2. Disconnect the electrical connection from the fuel pressure sensor.

	Description	Connector
2	Fuel pressure sensor	See K083 FUEL PRESSURE SENSOR

1. Disconnect the electrical connection from the engine coolant temperature sensor.

	Description	Connector
1	Engine coolant temperature sensor/sender unit	See K036 ENGINE COOLANT TEMPERATURE SENSOR/SENDER UNIT

1. Disconnect the electrical connections (1a) and (1b) from the phase transformer electromagnets.

	Description	Connector
1a	Exhaust side phase transformer solenoid valve	See N093 PHASE SHIFTER SOLENOID VALVE ON EXHAUST SIDE

	Description	Connector
1b	Inlet side phase transformer solenoid valve	See N092 PHASE SHIFTER SOLENOID VALVE ON INTAKE SIDE

1. Disconnect the electrical connection from the air flow meter.

	Description	Connector
1	Air flow meter	See K041 AIR FLOW METER

1. Disconnect the electrical connection of the air conditioner compressor.

	Description	Connector
1	Air conditioning compressor engagement electro-magnet	See L020 AIR CONDITIONING COMPRESSOR ENGAGEMENT ELECTRO-MAGNET

1. Undo the nut (1a) and disconnect the earth lead (1b) from the alternator.

	Description	Connector
1b	Alternator	See A010 ALTERNATOR

1. Disconnect the electrical connection from the engine oil pressure warning light switch.

	Description	Connector
1	Insufficient engine oil pressure sensor (switch)	See K030 LOW ENGINE OIL PRESSURE SENSOR (SWITCH)

2. Disconnect the electrical connection from the engine rpm sensor.

	Description	Connector
2	Engine rpm sensor	See K046 RPM SENSOR

1. Disconnect the electrical connections from the injectors.

	Description	Connector
1	Injector	See N070 INJECTOR

2. Disconnect the electrical connection for the detonation sensor.

	Description	Connector
2	Detonation sensor - 2	See K050 DETONATION SENSOR

- Release the system cable loom from the fastenings and remove it.

Refitting ( Removing

) - Place the system cable loom in its housing and secure it.- Connect the electrical connection for the detonation sensor.- Connect the electrical connections to the injectors.- Connect the electrical connection for the engine rpm sensor.- Connect the electrical connection to the engine oil pressure warning light switch.- Connect the earth lead to the alternator and tighten the nut.- Connect the electrical connection to the air conditioning compressor.- Connect the electrical connection to the air flow meter.- Connect the electrical connections to the phase transformer electromagnets.- Connect the electrical connection to the engine coolant temperature sensor.- Connect the electrical connection to the fuel pressure sensor.- Connect the electrical connection to the fuel pressure regulator on the air intake/fuel manifold duct.- Connect the electrical connections to the electronic power module.- Connect the electrical connections to the cam angle sensors.- Connect the electrical connection to the electronic injection system control unit.- Connect the electrical connections and close the junction unit cover.- Place the ignition coil cover back in its housing and tighten the bolts. Op. 5530B52 BATTERY SUPPORT/DRIP TRAY - R.R Op. 5530B10 BATTERY - R+R Op. 1072B50 AIR CHAMBER - R.R.- Remove the vehicle from the lift.