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INJECTION
FEATURES OF BOSCH ME 7.4.6 MULTIPOINT INJECTION SYSTEM
Summary
(1) Rev counter
(2)Consumption information
(3)Ignition injection test warning lamp
(4) Air conditioning ECU (according to equipment)
(5)Multifunction screen
(6)Built-in systems interface (BSI)
(7) Transponder
(8)Automatic gearbox ECU(according to equipment)
(9 Pump, fuel filter and pressure regulator assembly
(10)Battery
(11)Pressostat
(12)Engine speed sensor
(13)Camshaft position sensors (x2)
(14)Motorised butterfly housing
(15)Canister purge electrovalve
(16)Cooling fan unit
(17)Pencil type ignition coils (x2)
(18) Petrol injectors (x6)(19) Variable timing electrovalves (x2)
(20)Upstream oxygen sensors (x2)
(21) Downstream oxygen sensors (x2)
(22)Engine coolant thermal sensor
(23) Knock sensors (x2)
(24)Power steering pressure sensor
(25) Integral pressure sensor
(26)Accelerator pedal position sensor
(27)Inlet air thermal sensor
(28) Diagnostic connector
(29) Multifunction double relay
(30) Ignition injection ECU
B1HP1B2P
Downloaded from www.Manualslib.com manuals search engine 164
INJECTION
FEATURES OF BOSCH HDi DIRECT INJECTION SYSTEM
Electrical circuit (continued)
Component (diagr.) Supplier Reference Observations
Coolant temperature sensor46ELECTRIFIL 962859028A Fixed on the coolant outlet housing
Accelerator pedal sensor54
Brake pedal switch36PHILIPS
56
Clutch pedal switch55
Additional heating control
relay1
Additional heating2 aOpen at rest
Boiler elements2 bClosed at rest
Air conditioning compressor 30
Automatic gearbox ECU22
Cruise control switch34
Heated rear screen20
ESP ECU21
«Service» warning lamp25
Cooling fan29
Fuel cap warning lamp28
Coolant temperature alert warning lamp31
Coolant temperature indicator32
