79366 - 5505C26 ENGINE COMPARTMENT built in wiring - R.R.

Before continuing with the operations described beow, cover the body paintwork to protect it and prevent damage whilst removing the electrical wiring.

Removing ( Refitting )     See in Op. 7040D50 ENGINE COMPARTMENT UPPER SOUND INSULATION SHIELD - R.R.     See in Op. 1016A10 SOUND-PROOFING COVER - R.R. - Position the vehicle on a lift.    See in Op. 5040A10 Air conditioning coolant circuit - Drying and Repressurizing

Before continuing as described below, the following preliminary operations must be carried out: (1) place the ignition key in the OFF position; (2) disconnect and insulate the battery leads; (3) wait for 10 minutes before continuing.

    See in Op. 5040D19 CONTROL UNIT with CONTROL PANEL for rear air conditioning - R.R.    See in Op. 7040L70 Tunnel cover REAR COVER - R.R.    See in Op. 5010C32 Air VENT in tunnel cover for rear seats    See in Op. 7040A65 passenger compartment box lock , one , r r    See in Op. 7045A10 FRONT SEAT (one) left or right - R.R.    See in Op. 7040L37 GEAR LEVER SURROUNDING TRIM - R.R.    See in Op. 7040L72 GLASS HOLDER on tunnel cover - R.R.    See in Op. 7040L28 TRIM for switch holder on tunnel cover - R.R.    See in Op. 7040L20 TUNNEL COVER - R.R.    See in Op. 7040A60 UNDER FACIA TRIM - R.R.    See in Op. 7040A58 TRIM on dashboard - R.R.    See in Op. 7040A44 INSTRUMENT PANEL LEFT SIDE TRIM - R.R.    See in Op. 7040A45 INSTRUMENT PANEL RIGHT SIDE TRIM - R.R.    See in Op. 5010C56 LEFT air OUTLET in dashboard - R.R.    See in Op. 5010C62 Air VENT UNIT and SIDE air DIFFUSER in dashboard - R.R.:-    See in Op. 5010C02 RIGHT SIDE air VENT in dashboard (passenger side) - R.R.-    See in Op. 5010C58 Right air OUTLET in dashboard - R.R.-    See in Op. 7040G20 GLOVE COMPARTMENT BULB HOLDER IN DASHBOARD-    See in Op. 7040A31 Compartment in dashboard - R.R.    See in Op. 7040A14 Glove compartment FLAP in dashboard - R.R.    See in Op. 7040G24 Glove compartment light SWITCH - R.R.    See in Op. 5580C26 passenger air bag deactivating switch - r r-    See in Op. 5580C22 AIR BAG MODULE (passenger side) - R.R.    See in Op. 4110A10 STEERING WHEEL - R.R. for replacement or checks-    See in Op. 5580C12 CLOCK SPRING for AIR BAG system - R.R.    See in Op. 5550A10 stalk unit assembly - r+r-    See in Op. 7040A23 Instrument panel SURROUND in dashboard    See in Op. 5560B11 ANALOGUE CONTROL PANEL - R.R. or Replace    See in Op. 5540A20 Exterior lights SWITCH PANEL and instrument panel light dimmer - R.R.-    See in Op. 5580P24 CONNECT CONTROL UNIT SUPPORT - R.R.-    See in Op. 5580P20 CONNECT CONTROL UNIT - R.R.-    See in Op. 7040A20 LEFT dashboard LOWER TRIM - R.R.    See in Op. 5040D60 ACTUATOR for one diffused air vent flap, left or right - R.R.-    See in Op. 5010C30 central air outlet on fascia - r+r    See in Op. 5040D18 Air conditioning CONTROL UNIT - R.R.-    See in Op. 5010D56 SOLAR SENSOR - R.R. after checking electrical system    See in Op. 7040A68 GRILLE for centre dashboard speaker - R.R.    See in Op. 5570T52 Centre SPEAKER in dashboard - R.R.-    See in Op. 7040A10 Instrument facia TRIM - R.R.    See in Op. 7040A95 Left or right reinforcement crossmember (one), dashboard and bodyshell supporting crossmember - R.R.    See in Op. 5040C12 Air conditioning CASING - R.R. with dashboard removed    See in Op. 7025A34 bonnet lid lock (one) - r+r or repair    See in Op. 7040A37 Fuse access cover in instrument panel - R.R.    See in Op. 7025A24 Bonnet release LEVER - R.R.    See in Op. 7040L39 RUNNING BOARD FOR LEFT FRONT DOOR HOUSING - R.R.    See in Op. 7040L41 RUNNING BOARD FOR RIGHT FRONT DOOR HOUSING - R.R.    See in Op. 7040H36 CENTRE PILLAR TRIM LOWER ELEMENT (one), left or right - R.R.1. Disconnect the electrical connection for the accelerator pedal potentiometer.

	Description	Connector
1	Accelerator pedal potentiometer	K055

2. Undo the bolts fixing the pedal to the floor.    See in Op. 7050A20 Single rear seat cushion - R.R.3. Remove the accelerator pedal with the integrated potentiometer.

    See in Op. 7040L17 Passenger compartment front floor carpet - R.R.    See in Op. 7050A20 Single rear seat cushion - R.R.    See in Op. 7040L70 Tunnel cover REAR COVER - R.R.    See in Op. 7040L44 RUNNING BOARD for REAR DOOR HOUSING (one) left or right - R.R.    See in Op. 7040L18 Passenger compartment rear floor carpet - R.R.    See in Op. 7040B10 LOAD CARRYING COMPARTMENT LINING - R.R.    See in Op. 7040B17 Luggage compartment/load platform side trim flap (one) - Replace    See in Op. 7040B13 Luggage compartment/load platform SIDE LINING - R.R.    See in Op. 7050A19 REAR SEAT BACKREST - R.R.    See in Op. 5580C60 Rear seat Side Bag Module (one), left or right - R.R.-    See in Op. 5050B34 WINDSCREEN WIPER ARM(S) for front windscreen wiper complete with blade-    See in Op. 7055A18 Winsdcreen base TRIM - R.R.    See in Op. 5050B42 Front windscreen wiper MOTOR - R.R.    See in Op. 4450B12 Front WHEELS (two) - R.R.    See in Op. 7055B42 FRONT WHEEL ARCH LINER (one), left or right - R.R.    See in Op. 7055B64 Engine compartment DUST SEAL in front wheel arch (one), left or right - R.R.    See in Op. 5550C22 Left or right SIDE REPEATER (one) - R.R.    See in Op. 4130B10 POWER ASSISTED STEERING FLUID RESERVOIR - R.R. - Includes bleeding air    See in Op. 5505A13 Additional junction unit in engine compartment - R.R.    See in Op. 5540B10 HEADLAMP (one, left or right - R.R.- < R1 > [left and right]1. Working on the bulkhead separating the passenger and engine compartments, undo the bolt fixing the dashboard crossmember to the bodyshell.

1. Undo the fixing bolt (1a) and disconnect the steering column (1b) from the steering box.

1. Disconnect the electrical connectors (1a), (1b) and (1c) for the dashboard coupling with the passenger compartment wiring, TV wiring and engine compartment wiring.

	Description	Connector
1a	Front/dashboard coupling	D001

	Description	Connector
1b	Dashboard/TV coupling	D055

	Description	Connector
1c	Dashboard/rear coupling	D020

1. Undo the fixing bolts (1a) on both sides and remove the dashboard crossmember (1b) complete with steering column and dashboard wiring.

- Starting from the driver's side, release and remove the sound insulation panel under the dashboard, releasing it from the dashboard wiring.

- Disconnect the electrical connectors for the engine compartment wiring from the components located in the passenger compartment, driver's side.

	Description	Connector
.	Switch on clutch pedal	I031

	Description	Connector
.	SCS left rear actuator	N099

	Description	Connector
.	Left rear wheel sensor for ABS	K075

	Description	Connector
.	Accelerator pedal potentiometer	K055

	Description	Connector
.	Switch on brake pedal	I030

	Description	Connector
.	Body computer	M001A

	Description	Connector
.	Junction unit under dashboard	B002A

	Description	Connector
.	Steering lock control unit (NBS)	M089

	Description	Connector
.	Aerial for Fiat-CODE	P091

	Description	Connector
.	Steering angle control unit (NAS)	M092

	Description	Connector
.	Cruise Control control	H007

	Description	Connector
.	Steering column switch unit	H005A

	Description	Connector
.	Ignition switch	H001A

	Description	Connector
.	Front/dashboard coupling	D001

	Description	Connector
.	Body computer	M001B

- Disconnect the electrical connectors for the engine compartment wiring from the components located in the passenger compartment, passenger side.

	Description	Connector
.	Air conditioning-heater front coupling	D008A

	Description	Connector
.	Parking sensor control unit	M084A

	Description	Connector
.	Headlamp alignment corrector rear potentiometer (CAF)	K002

	Description	Connector
.	Rear vertical acceleration sensor (bodyshell)	K012

	Description	Connector
.	SCS right rear actuator	N098

	Description	Connector
.	Right rear wheel sensor for ABS	K076

	Description	Connector
.	Slewing control unit	M091

	Description	Connector
.	Controlled suspension control unit (SCS)	M046

	Description	Connector
.	Headlamp alignment control unit (CAF)	M073

	Description	Connector
.	Servotronik control unit	M088

	Description	Connector
.	Front/rear coupling	D006

	Description	Connector
.	Air conditioning-heater front coupling	D008B

	Description	Connector
.	Air conditioning-heater front coupling	D008C

1. Working on the bulkhead separating the passenger compartment from the engine compartment, undo the nuts (1a) for the plate fastening the cable duct to the bodyshell (1d) and pass the section of electrical wiring, driver's side, from the passenger compartment through into the engine compartment.

1. Release the recirculation pipe between the expansion tank and the thermostat from the retaining springs and place it at the side.2. Release the single fuel supply pipe (2a) and the evaporation control system pipe (2b) from the retaining springs and place them to the side.

1. Undo the fixing bolt (1a) and remove the bracket (1b) securing the evaporation control system pipe and the single fuel supply pipe.

1. Open the retaining band (1a) and place the power assisted steering hydraulic system fluid reservoir at the side.

1. Undo the fixing bolts (1a) and (1c) and remove the bracket complete with reaction rod (1b).

- Pass the length of electrical wiring, passenger side, through from the passenger compartment to the engine compartment.

Lubricate the passenger side rubber cable duct.

Carry out the operation described above with the help of a second mechanic.

- Disconnect the connectors for the electrical components located in the wheel arch, left and right hand sides and then pass the length of wiring into the engine compartment, releasing the rubber cable ducts from their housings.

	Description	Connector
.	Reversing lights switch	I020

	Description	Connector
.	Vertical acceleration sensor on left front wheel	K008

	Description	Connector
.	Alarm siren	P090

	Description	Connector
.	Servotronik solenoid valve	L070

	Description	Connector
.	Left brake pad wear sensor (switch)	K020

	Description	Connector
.	Vertical acceleration sensor on left front wheel	K009

	Description	Connector
.	Headlamp alignment corrector front potentiometer (CAF)	K001

	Description	Connector
.	Right brake pad wear sensor (switch)	K021

- Working on the bulkhead separating the passenger and engine compartments, disconnect the electrical connectors.

	Description	Connector
.	Heated windscreen	P056

	Description	Connector
.	Exhaust gas presence sensor	K064

1. Undo the fixing bolt (1a) and detach the earth node (1b) from the bodyshell.

	Description	Connector
1b	Right front earth	C011

- Pass the length of electrical wiring from the partition into the engine compartment.1. Open the retaining band (1a) and disconnect the pipe (1b), intake manifold side.2. Undo the bolt (2a) and remove the pipe mounting bracket (2b).

1. Open the retaining bands (1a) and remove the section of throttle casing air inlet pipe (1b).

1. Undo the fixing bolts (1a) and detach the earth node (1b) and the earth lead (1c) from the bodyshell.

	Description	Connector
1b	Left front earth	C010A