ECU Citroen C3 2004 1.G Owner's Manual

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CLUTCH
GEARBOX
TRANSMISSION
RECOMMENDATIONS PRECAUTIONS: AL4 AUTOMATIC GEARBOX
Engines: KFV NFU RFN RHZ
Precautions to be taken.
Repairs on mechanical components.
Never place the gearbox on the ground without protection.
In order to avoid breaking the input shaft ring, it is
imperativethat
the converter retaining bracket should be in place when handlingthe gearbox.
It is
imperativeto use the centring peg and the converter retaining
bracket to couple the gearbox on the engine.
After coupling the gearbox on the engine, remove the centring peg.
Modification of the oil usage counter value.
Exchanging the gearbox ECU:
Note down the gearbox counter value.
Transfer the value read into the the new gearbox ECU.
Exchanging the gearbox :
Initialise the oil usage counter to 0.
Draining the gearbox:
Initialise the oil usage counter(follow the diagnostic tool procedure).
C3 XSARA XSARA PICASSO

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CLUTCH
GEARBOX
TRANSMISSION
Engines: KFV NFU RFN RHZ
Downloading.
Updating the gearbox ECU by downloading:
Follow the procedure using the diagnostic tool.
The downloading operation enables the automatic gearbox to be updated, or adapted to an evolution of the engine ECU.
Before commencing the downloading, take the value of the oil usage counter present in the automatic gearbox ECU.
After the downloading operation, carry out the following: A clearing of faults.
A pedal initialisation.
A reinitialisation of the autoadaptives.
A programming
(if necessary).
A writing of the value of the oil usage counter previously read.
A road test.
ESSENTIAL: Every update of the automatic gearbox ECU should be accompanied by an update of the engine ECU.
RECOMMENDATIONS PRECAUTIONS: AL4 AUTOMATIC GEARBOX C3 XSARA XSARA PICASSO
Procedure for initialising the automatic gearbox ECU

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CLUTCH
GEARBOX
TRANSMISSION
Engines: KFV NFU RFN RHZ
Updating the value of the oil usage counter.
Using PROXIA.
Access to reading and recording of the oil counter is via the menu:
«Configuration
(integrated circuit button)/ Oil counter».
Adjustment of the oil counter value is done in incremental steps of
2750units.
Using LEXIA or ELIT.Access to reading and recording of the oil counter is via the menu:
«Oil counter».
Adjustment of the oil counter value is done by entering directly the
5 figures of the oil counter.
Downloading.
ECU downloading procedure:
Follow the diagnostic tool procedure.
A new ECU or downloaded update is always configured with the
following options:
SHIFT LOCK gear selection lever position.
Without OBD outlet
(depollution L4).
If the ECU is to be fitted to a vehicle with depollution
L4or not
equipped with gear lever locking safety: Perform a configuration operation.
Pedal initialisation.
A pedal initialisation must be carried out in the following cases:
Replacement of the automatic gearbox ECU.
Replacement of the automatic gearbox.
Downloading of the ECU configuration.
Adjustment or replacement of the accelerator cable.
Replacement of the butterfly potentiometer.
RECOMMENDATIONS PRECAUTIONS: AL4 AUTOMATIC GEARBOXC3 XSARA XSARA PICASSO
Procedure for initialising the automatic gearbox ECU

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CLUTCH
GEARBOX
TRANSMISSION
AL4 AUTOMATIC GEARBOX
In passenger compartment (continued).
The information is transmitted to the gearbox ECU.
NOTE:The vehicle is equipped with the «shift lock»«P».
Two switches placed on the gear control gate permit the driver to choose one of the following
three driving programmes:

Normal programme: Operates as the default programme (eco law, autoadaptive mode).
Sport programme (a): Permits a more dynamic, sporty performance.
Snow programme (b): Facilitates starting and adhesion on slippery surfaces.
To return to the normal programme, press a second time on the sport switch or snow switch.
Engine: KFV
C3
B2CP3DKD

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CLUTCH
GEARBOX
TRANSMISSION
AL4 AUTOMATIC GEARBOX
NOTE:The «shift lock»«P».
Unlocking the «SHIFT LOCK»(normal operation).
Switch on the ignition.
Press the brake pedal and keep it pressed.
Move the gear selection lever out of position
«P».
Unlocking the «SHIFT LOCK»(with an operating fault).NOTE:It is impossible to unlock the «shift lock»
«Shift lock».
Gear lever position switch. Automatic gearbox ECU.
Electrical harnesses.
Battery voltage.
Remove:
The gear lever knob
(1)(pull upwards).
The cover (2)(Unclip).
The top of the central console (3).
Unlock the «shift lock» (4)with the aid of a screwdriver.
Move the gear selection lever out of position «P».
Engine: KFV
C3
C5FP0ETCB2CP3GZC

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CLUTCH
GEARBOX
TRANSMISSION
XSARAAL4 AUTOMATIC GEARBOX
Engines: NFU RFN RHZ
SHIFT LOCK.
NOTE:
The «shift lock»«P».
U
nlocking the «SHIFT LOCK»(normal operation).
Switch on the ignition.
Press the brake pedal and keep it pressed. Move the gear selection lever out of position
«P».
Unlocking the «SHIFT LOCK»(with an operating fault).NOTE:It is impossible to unlock the «shift lock»
«Shift lock».
Gear lever position switch.
Automatic gearbox ECU.
Electrical harnesses. Battery voltage.
Remove:
The cover
(1).
Unlock the «shift lock» (2) with the aid of a screwdriver.
Move the gear selection lever out of position «P».
C5FP06ZC
C5FP06YC

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AXLES
SUSPENSION
STEERING
FEATURES OF ELECTRIC POWER STEERING
Engines: HFX KFV NFU 8HX
Steering assistance
Supplier:KOYO.
The steering assistance is rpovided by the assistance motor
(12),
controlled by the ECU.
Power delivered to the assistance motor
(12)depends on:
Speed of the vehicle.
Torque applied on the steering wheel.Only one ECU version, whatever the enginetype.
The electric power steering ECU is linked to the following connectors:
(6)Assistance motor supply.
(13)Electric power steering ECU supply.
(14)Control signals.
After changing the electric power steering ECU, it is necessary to
perform a configuration.
B3EP13KCB3EP13LC
C2
Electric power steering ECU

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AXLES
SUSPENSION
STEERING
FEATURES OF ELECTRIC POWER STEERING
Engines: HFX KFV KFU NFU 8HX 8HW 8HV 8HY
Steering assistance
Supplier:KOYO.
The steering assistance is rpovided by the assistance motor
(12), controlled
by the ECU.
Power delivered to the assistance motor
(12)depends on:
Speed of the vehicle.
Torque applied on the steering wheel.
Electric powerassisted steering ECU.
Only one ECU version, whatever the enginetype.
The electric power steering ECU is linked to the following connectors:

(6)Assistance motor supply.
(13)Electric power steering ECU supply.
(14) Control signals.
After changing the electric power steering ECU, it is necessary to
perform a configuration
(see corresponding operation).
B3EP13KCB3EP13LC
C3 C3 PLURIEL

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BRAKES
BRAKE SPECIFICATIONS
Braking circuit with ABS REF
(a) Hydraulic circuit(b)Electrical circuit
(1)Master cylinder in tandem(2)Braking servo(3)Brake caliper (or drum at the rear)(4)Hub equipped with a bearing with an integral magnetic wheel(48 pairs of poles)(5)Wheel sensor(6)Brake fluid level sensor(7)Hydraulic block plus ECU(8)Stoplamp switch(9)Instrument panel(10)Diagnostic socket(11)Builtin systems interface (BSI)
B3GP02RP
C2

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C2
BRAKE SPECIFICA TIONS
(7) Hydraulic blockBRAKESRef. Components Supplier Part no. Observations
ABS MK 70 Mounted on the front LH chassis
Hydraulic block 96 514 120 80 member.
ESP ABS MK.60 4 adjustment channels.
7 96 490 288 80
ABS MK.70
ECU ESP ABS 26way connector.
MK 60 Integral to the hydraulic block.
2way blue connector.
The sensors are inductivetype.
Front wheel sensor TEVES Mounted on the pivot
Nonadjustable airgap:
0.16 to 1.6 mm.
596 387 201 80Tightening torque:0.8 ±0.2 m.daN.
2way blue connector.
The sensors are inductivetype
Rear wheel sensor Mounted on the suspension arm.
Nonadjustable airgap
: 0,35 à 1,6 mm.
Tightening torque:0,8 ± 0,2 m.daN.
Hub equipped with a bearing with
4 Hub bearing SNR an integral magnetic wheel
(48 pairs of poles).B3FP7BVC