Page 115 of 259
Downloaded from www.Manualslib.com manuals search engine 112
INJECTIONEmission standard Engine type
Make
Injection type
PETROL INJECTION
Air temperature sensor resistive
value (ohms)
Petrol
Fuel pressure (bars)
Overspeed cut-off (rpm)
Injection cut-in during
deceleration (rpm)
Injector resistive value (ohms)
Engine coolant temperature
sensor resistive value (ohms)
Idling actuator or stepper motor
resistive value (ohms)
1.8i 16V 2.0i 16V 3.0i V6
6FZ RFN RLZ XFX
L4 - IF/L5 IF/L5 L4 IF/L5
SAGEM MAGNETTI MARELLI SIEMENS BOSCH
S2000 MM. 48P SIRIUS 81 ME 7.4.6.
3.5 3.5 5 3.5
6520
1100
12.2 14.5 1.88 16
3 800 at 10°C 2500 at 20° C 800 at 50°C 230 at 90° C
Stepper motor : 53
3 800 at 10°C 2500 at 20° C 800 at 50°C 230 at 90° C
Page 142 of 259

Downloaded from www.Manualslib.com manuals search engine FEATURES OF MULTIPOINT INJECTION SYSTEM
Summary
(1) Air pump
(2) Power steering pressure sensor
(3) Engine management ECU
(4) Canister purge electrovalve
(5)Butterfly housing
(6)Idle regulation stepper motor
(7) Inlet air temperature sensor
(8)Inlet housing heater element
(9)Butterfly potentiometer
(10)Automatic gearbox (Option)
(11)Built-in systems interface
(12) Transponder
(13)Diagnostic connector
(14) Ignition injection test warning lamp
(15)Battery
(16)Immobiliser unit
(17) Air conditioning
(18) Instrument panel
(19)Fuel tank
(20)Fuel pump, gauge and filter assembly(21)Canister reservoir
(22) Downstream oxygen sensor
(23)Upstream oxygen sensor
(24)Air inlet valve
(25)EGR electrovalve
(26)Camshaft position sensor
(27) Ignition coil
(28)Sparking plug
(29) Injector supply rail
(30)Injectors
(31) Air inlet pressure sensor
(32) Engine coolant temperature sensor
(33) Engine speed sensor
(34)Cooling fan unit
(35) Knock sensor
B1HP1C5P
139
INJECTION
Page 144 of 259

Downloaded from www.Manualslib.com manuals search engine 141
INJECTION
FEATURES OF MULTIPOINT INJECTION SYSTEM
Electrical circuit
(diagr.) Component Supplier Reference Observations
3
26
35
32
33
2
28
27Engine management ECU
with «FRIC»
Camshaft position sensor
Knock sensor
Engine coolant temperature sensor
Engine speed sensor
Power steering pressure sensor
Sparking plug
Ignition coilSAGEM
MAGNETI
MARELLIS2000
MM 48.P2
(1)
144323
F 207 326
257 603 2A
14 43 32
402 244 03
14 43 27
280 291
RFN52HZ
FR8ME
BBC2.2NDE
2 526 118 ELECTRIFIL
SIEMENS
SAGEM (1)
ELECTRIFIL
DAV
ELECTRIFIL
BITRON
(1)= EngineRFN
Ignition circuit
SAGEM
BOSCH
SAGEM
«Flash» eprom (reprogrammable eprom), sequential injection,
112 way connector.
3 way grey connector, fixed on the cylinder head
2 way black connector, fixed on the front part of the engine
block, tightening torque 2 ± 0.5 m.daN.
2 way green connector, fixed on the coolant outlet housing,
tightening torque 1.8 ± 0.1 m.daN.
2 way black connector, fixed on the clutch casing.
2 way blue connector, fixed on the power steering high pressure
pump outlet tube, tightening torque 2 ± 0.2 m.daN.
Electrode gap = 1mm.
Tightening torque 2.5 ± 0.2 m.daN.
4 way black connector.
Page 146 of 259

Downloaded from www.Manualslib.com manuals search engine FEATURES OF MULTIPOINT INJECTION SYSTEM
Summary
1)Accelerator pedal position sensor
(2)Denox catalyser downstream oxygen sensor
(3)Denox catalyser
(4)Downstream exhaust gas temperature sensor
(5)3-function precatalyser
(6)Precatalyser upstream oxygen sensor
(7) Upstream exhaust gas temperature sensor
(8)Petrol pressure regulator
(9)Petrol high pressure pump
(10)Knock sensor
(11) EGR electrovalve
(12)Canister purge electrovalve
(13)Motorised butterfly housing
(14)Canister reservoir
(15)Fuel pump and tank assembly
(16) Fuel tank
(17)Inlet air temperature sensor
(18) Inlet air pressure sensor(19)Engine coolant temperature sensor
(20) Sparking plug
(21) Ignition coil block
(22) High pressure injector
(23) Engine oil temperature sensor
(24)Engine speed sensor
(25)Inlet camshaft dephaser electrovalve
(26) Camshaft position sensor
(27)Petrol high pressure sensor
(28) Power steering pressure sensor
(29) Aircon fluid pressure sensor
(30)Cooling fan unit
(31)ABS block
(32)Clutch pedal sensor
(33)Brake pedal sensor
(34)Air conditioning ECU
(35) Engine management ECU
(36)Built-in systems interface BSI
(37)Rev counter
(38) Coded immobiliser
(39)Vehicle cruise control
(40) Diagnostic connector
B1HP1C6P
143
INJECTION
Page 148 of 259

Downloaded from www.Manualslib.com manuals search engine FEATURES OF MULTIPOINT INJECTION SYSTEM
Electrical circuit
(diagr.) Component Supplier Reference Observations
35Engine management ECU
with «FRIC»
26Camshaft position sensor
10Knock sensor
9Engine coolant temperature
sensor
1Accelerator pedal position sensor
24Engine speed sensor
28Power steering pressure sensor
25Inlet camshaft dephaser electrovalve.112 way connector.
3 way grey connector, fixed on the cylinder head.
2 way black connector, fixed on the front part of the engine
block.
ESSENTIAL:Respect the tightening torque 2,5±0,5 m.daN.
2 way green connector, fixed on the coolant outlet housing.
4 way black connector, fixed on the pedal carriage.
2 way black connector, fixed on the clutch casing.
2 way blue connector, fixed on the power steering high pressure
pump outlet tube, tighten to 2 ± 0,2 m.daN.
2 way green connector, fixed on the upper part of the cylinder
head. SIEMENS
ELECTRIFIL
SIEMENS
ELECTRIFIL
BITRON
UNISIASIRIUS 81
F207 326
145
INJECTION
Page 156 of 259

Downloaded from www.Manualslib.com manuals search engine 153
INJECTION
Component (diagr.) Supplier Reference Observations
88 way connector. Flash eprom type sequential
Diesel injection ECU1BOSCHEDC 15C2 injection (reprogrammable eprom). Installed in the
ECU compartment.
Engine speed sensor2ELECTRIFIL
Camshaft position sensor3ELECTRIFIL Air gap value : 1,2 mm.
Coolant temperature sensor7ELECTRIFIL 962859028A Fixed on the coolant housing.
Accelerator pedal sensor8PHILIPS
Vehicle speed sensor9EATON On the gearbox.
Brake pedal switch10aOpen at rest.
10bClosed at rest.
Clutch pedal switch11
Atmospheric pressure sensor12BOSCHIntegrated in the injection ECU.
Battery
13FULMEN058426 – 12 Volt
400 ampsUnder the bonnet.
Injection double relay14BITRON 240 10915 way black connector. Installed in the ECU
compartment.
FIRST3 way black connector. Installed in the front RH
Inertia switch30INERTIA Type 505wheelarch, fixed on the suspension mounting.
SWITCHManual rearming in the event of the cut-out system
being activated.
FEATURES OF BOSCH HDi DIRECT INJECTION SYSTEM
Electrical circuit
Page 158 of 259
Downloaded from www.Manualslib.com manuals search engine 155
INJECTION
FEATURES OF BOSCH HDi DIRECT INJECTION SYSTEM
Component (diagr.) Supplier Reference Observations
Recommended fuelDiesel
Fuel temperature sensor5ELTHOn the injection rail
Fuel high pressure sensor6BOSCHD281022093 On the injection rail
Fuel tank15Capacity = 68 litres.
Composition : Polyethylene.
Fuel pump16VDOElectric pump immersed in the tank. Voltage 12V.
Pressure : 7 Bars.
Fuel filter
17BOSCH0450907Fixing : on the engine.
Low pressure regulator Adjustment : 2,5 bars.
Fuel cooler18LON Fixed under the bodyshell.
Fuel heater19Integral with the coolant outlet housing.
Fuel high pressure pump20BOSCHCPThe fuel high pressure pump is driven by
the timing belt
Fuel high pressure injection
common rail21BOSCH86313 On the engine (18 cc).
Fuel circuit
Page 162 of 259
Downloaded from www.Manualslib.com manuals search engine Electrical circuit (continued)
INJECTION
FEATURES OF BOSCH HDi DIRECT INJECTION SYSTEM
159
Component (diagr.) Supplier Reference Observations
Preheater unit41NAGARES 960411P
CARTIER 735068
Preheater plugs42CHAMPION CH170
BOSCH0250202032
Coolant temperature sensor8ELECTRIFIL Fixed on the coolant outlet housing
Electronic immobiliser37
Accelerator pedal sensor9PHILIPS
Brake pedal switch 11 aOpen at rest
11 bClosed at rest
Clutch pedal switch12
Additional heating control relay
47
Additional heating46 a
Boiler heater elements46 b
Air conditioning compressor45
Automatic gearbox ECU44
Cruise control switch43