System cable loom - r.r.
- Make
- Fiat
- Model
- Grande Punto Factory Service Manual
- Year
- 2005–2012
- Section
- Petrol injection system › System cable loom - r.r.
SYSTEM CABLE LOOM - R.R.
Removing
- Position the vehicle on a lift.
- Disconnect the negative battery terminal.
Op. 1048A10 AIR FILTER ASSEMBLY - R.R.
1. Disconnect the electrical connection for the Lambda sensor upstream of the catalytic converter.
| Description | Connector | |
|---|---|---|
| 1 | Lambda sensor on catalyzer | See K017 LAMBDA SENSOR ON CATALYZER |
2. Disconnect the electrical connection for the Lambda sensor downstream of the catalytic converter.
| Description | Connector | |
|---|---|---|
| 2 | Lambda sensor on catalyzer | See K017 LAMBDA SENSOR ON CATALYZER |
1. Disconnect the intermediate engine wiring coupling.
| Description | Connector | |
|---|---|---|
| 1 | Engine cables/engine services cable coupling | See D029 ENGINE CABLES/ENGINE SERVICES CABLE COUPLING |
2. Connect the electrical connection for the injection control unit.
| Description | Connector | |
|---|---|---|
| 2 | Engine management control unit | See M010 ENGINE MANAGEMENT ECU |
3. Undo the nut and disconnect the earth lead from the injection control unit mount.
| Description | Connector | |
|---|---|---|
| 3 | Injection control unit earth | See C060 INJECTION CONTROL UNIT EARTH |
4. Disconnect the electrical connection for the timing sensor.
| Description | Connector | |
|---|---|---|
| 4 | Timing sensor | See K047 TIMING SENSOR |
1. Disconnect the electrical connection from the ignition coil module.
| Description | Connector | |
|---|---|---|
| 1 | Ignition coil | See A030 IGNITION COIL |
2. Disconnect the intermediate injector wiring coupling.
| Description | Connector | |
|---|---|---|
| 2 | Injector coupling | See D081 INJECTOR JUNCTION |
1. Disconnect the electrical connection for the throttle casing.
| Description | Connector | |
|---|---|---|
| 1 | Integrated throttle casing actuator | See N075 THROTTLE BODY ACTUATOR |
1. Disconnect the electrical connection for 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 connection of the fuel vapour flow enablement solenoid valve.
| Description | Connector | |
|---|---|---|
| 1 | Fuel vapour recovery solenoid valve | See L010 FUEL VAPOUR RECOVERY SOLENOID VALVE |
1. Disconnect the electrical connection for the atmospheric pressure sensor.
| Description | Connector | |
|---|---|---|
| 1 | Absolute pressure sensor | See K048 ABSOLUTE PRESSURE SENSOR |
2. Disconnect the electrical connection for the air temperature/pressure sensor.
| Description | Connector | |
|---|---|---|
| 2 | Air pressure - temperature sensor | See K044 AIR PRESSURE - TEMPERATURE SENSOR |
1. Disconnect the electrical connection for the variable valve timing solenoid.
| Description | Connector | |
|---|---|---|
| 1 | Variable valve timing actuator | See N076 PHASE TRANSFORMER ACTUATOR |
1. Disconnect the electrical connection for the rpm sensor.
| Description | Connector | |
|---|---|---|
| 1 | Rpm sensor | See K046 RPM SENSOR |
2. Disconnect the electrical connection for the minimum engine oil pressure switch.
| Description | Connector | |
|---|---|---|
| 2 | Insufficient engine oil pressure sensor | See K030 LOW ENGINE OIL PRESSURE SENSOR (SWITCH) |
1. Undo the bolt and remove the earth lead from the engine block.
| Description | Connector | |
|---|---|---|
| 1 | Earth on engine | See C040 ENGINE EARTH |
2. Open the protective cover (2a), undo the nut (2b) and disconnect the starter motor electrical connections (2c).
| Description | Connector | |
|---|---|---|
| 2c | Starter motor | See A020 STARTER MOTOR |
3. Disconnect the electrical connection for the detonation sensor.
| Description | Connector | |
|---|---|---|
| 3 | Detonation sensor - 2 | See K050 DETONATION SENSOR |
1. Undo the nut and disconnect the alternator earth lead.
| Description | Connector | |
|---|---|---|
| 1 | Alternator | See A010 ALTERNATOR |
- Remove the engine wiring harness.
Refitting
- Place the wiring harness in its seat.
- Connect the earth lead to the alternator.
- Connect the electrical connection for the detonation sensor.
- Connect the electrical connections for the starter motor, tighten the nut and close the protective cover.
- Connect the earth lead to the engine block.
- Connect the electrical connection for the minimum engine oil pressure switch.
- Connect the electrical connection for the rpm sensor.
- Connect the electrical connection for the variable valve timing solenoid.
- Connect the electrical connection for the air temperature/pressure sensor.
- Connect the electrical connection for the atmospheric pressure sensor.
- Connect the electrical connection of the fuel vapour flow enablement solenoid valve.
- Connect the engine coolant temperature sensor electrical connection.
- Connect the electrical connection for the throttle casing.
- Connect the intermediate injector wiring coupling.
- Connect the electrical connection of the ignition coil module.
- Connect the electrical connection for the timing sensor.
- Connect the injection control unit earth lead.
- Connect the electrical connection for the injection control unit.
- Connect the intermediate engine wiring coupling.
- Connect the electrical connection for the Lambda sensor downstream of the catalytic converter.
- Connect the electrical connection for the Lambda sensor upstream of the catalytic converter.
Op. 1048A10 AIR FILTER ASSEMBLY - R.R.
- Connect the negative battery terminal.
- Remove the vehicle from the lift.
Removing
Op. 1048A10 AIR FILTER ASSEMBLY - R.R.
Op. 1048A32 HOSE FROM AIR FILTER TO INTAKE MANIFOLD - R + R
Op. 5520B10 STARTER MOTOR - R+R
1. Disconnect the electrical connection for the engine oil pressure switch.
| Description | Connector | |
|---|---|---|
| 1 | Insufficient engine oil pressure sensor | See K030 LOW ENGINE OIL PRESSURE SENSOR (SWITCH) |
2. Disconnect the electrical connection for the rpm sensor.
| Description | Connector | |
|---|---|---|
| 2 | Rpm sensor | See K046 RPM SENSOR |
1. Undo the nut and disconnect the alternator earth lead.
| Description | Connector | |
|---|---|---|
| 1 | Alternator | See A010 ALTERNATOR |
1. Undo the bolt and remove the engine block earth lead.
| Description | Connector | |
|---|---|---|
| 1 | Earth on engine | See C040 ENGINE EARTH |
2. Disconnect the electrical connection for the detonation sensor.
| Description | Connector | |
|---|---|---|
| 2 | Detonation sensor | See K050 DETONATION SENSOR |
3. Open the engine wiring duct retaining clips.
1. Disconnect the electrical connection for the slider solenoid valve.
| Description | Connector | |
|---|---|---|
| 1 | PDA solenoid valve | See L031 PDA SOLENOID VALVE |
1. Disconnect the electrical connection for the phase transformer actuator.
| Description | Connector | |
|---|---|---|
| 1 | Variable valve timing actuator | See N076 PHASE TRANSFORMER ACTUATOR |
- Undo the bolt fixing the timing belt covers and partly release the wiring.
1. Disconnect the electrical connection for the air temperature/pressure sensor.
| Description | Connector | |
|---|---|---|
| 1 | Air pressure - temperature sensor | See K044 AIR PRESSURE - TEMPERATURE SENSOR |
2. Undo the bolt and release the earth lead.
| Description | Connector | |
|---|---|---|
| 2 | Earth on engine | See C040 ENGINE EARTH |
1. Disconnect the electrical connection for the absolute pressure sensor.
| Description | Connector | |
|---|---|---|
| 1 | Absolute pressure sensor | See K048 ABSOLUTE PRESSURE SENSOR |
2. Unscrew the bolt securing the cable loom retaining duct.
3. Disconnect the electrical connections for the ignition coils.
| Description | Connector | |
|---|---|---|
| 3 | Ignition coil | See A030 IGNITION COIL |
1. Disconnect the electrical connection for the air conditioning compressor engagement solenoid valve.
| Description | Connector | |
|---|---|---|
| 1 | Air conditioning compressor engagement solenoid | See L021 AIR CONDITIONING COMPRESSOR ENGAGEMENT SOLENOID VALVE |
1. Disconnect the engine intermediate coupling.
| Description | Connector | |
|---|---|---|
| 1 | Engine cables/engine services cable coupling | See D029 ENGINE CABLES/ENGINE SERVICES CABLE COUPLING |
2. Disconnect the electrical connection for the timing sensor.
| Description | Connector | |
|---|---|---|
| 2 | Timing sensor | See K047 TIMING SENSOR |
3. Disconnect the electrical connection for the coolant temperature sensor.
| Description | Connector | |
|---|---|---|
| 3 | Engine coolant temperature sensor/sender unit | See K036 ENGINE COOLANT TEMPERATURE SENSOR/SENDER UNIT |
1. Disconnect the electrical connection for the slider position sensor.
| Description | Connector | |
|---|---|---|
| 1 |
2. Disconnect the electrical connection for the throttle casing.
| Description | Connector | |
|---|---|---|
| 2 | Integrated throttle casing actuator | See N075 THROTTLE BODY ACTUATOR |
3. Disconnect the injector wiring junction.
| Description | Connector | |
|---|---|---|
| 3 | Injector coupling | See D081 INJECTOR JUNCTION |
1. Disconnect the electrical connection for the fuel vapour solenoid valve.
| Description | Connector | |
|---|---|---|
| 1 | Fuel vapour recovery solenoid valve | See L010 FUEL VAPOUR RECOVERY SOLENOID VALVE |
1. Disconnect the electrical connection for the injection/ignition control unit.
| Description | Connector | |
|---|---|---|
| 1 | Engine management control unit | See M010 ENGINE MANAGEMENT ECU |
2. Undo the nut and remove the earth lead for the injection-ignition control unit.
| Description | Connector | |
|---|---|---|
| 2 | Injection control unit earth | See C060 INJECTION CONTROL UNIT EARTH |
1. Disconnect the electrical connection for the upper Lambda sensor.
| Description | Connector | |
|---|---|---|
| 1 | Lambda sensor on pre-catalyzer | See K015 LAMBDA SENSOR ON PRE-CATALYZER |
2. Disconnect the electrical connection for the lower Lambda sensor.
| Description | Connector | |
|---|---|---|
| 2 | Lambda sensor on catalyzer | See K017 LAMBDA SENSOR ON CATALYZER |
- Release the intermediate fastenings under the intake manifold and remove the cable loom working underneath the vehicle.
Refitting
- Refit the cable loom harness and connect to the intermediate fastenings.
- Connect the electrical connection for the lower Lambda sensor.
- Connect the electrical connection for the upper Lambda sensor.
- Place the earth lead for the injection-ignition control unit in position and secure it using the nut.
- Connect the electrical connection for the injection/ignition control unit.
- Connect the electrical connection for the fuel vapour solenoid valve.
- Connect the injector wiring junction.
- Connect the electrical connection for the throttle casing.
- Connect the electrical connection for the slider position sensor.
- Connect the electrical connection for the coolant temperature sensor.
- Connect the electrical connection for the timing sensor.
- Connect the engine intermediate coupling.
- Connect the electrical connection for the air conditioning compressor engagement solenoid valve.
- Connect the electrical connections for the ignition coils.
- Tighten the bolt securing the cable loom retaining duct.
- Connect the electrical connection for the absolute pressure sensor.
- Place the earth lead in position on the engine and secure it using the bolt.
- Connect the electrical connection for the air pressure/temperature sensor.
- Tighten the timing belt covers fixing bolt.
- Connect the electrical connection for the phase transformer actuator.
- Connect the electrical connection for the slider solenoid valve.
- Place the earth lead for the starter motor in position and secure it using the nut.
- Close the protective cover for the starter motor electrical connections.
- Connect the electrical connection for the detonation sensor.
- Place the engine block earth lead in position and secure it using the bolt.
- Connect the earth lead for the alternator and secure it using the nut.
- Connect the electrical connection for the rpm sensor.
- Connect the electrical connection for the engine oil pressure switch.
Op. 5520B10 STARTER MOTOR - R+R
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