125000399 - 5505A MULTI-FUNCTION COMPONENTS

SPECIFCATIONS

ENGINE BAY CONTROL UNIT

Electromechanical control unit including fuses (maxi and mini), relays and circuits for interconnecting front wiring and radiator prewiring.These wires are connected to the control unit via fixed joints. A tray beneath the protectivecover houses any further connectors/relays/fusesA fastening is provided on the lower cover for sealed fuse carrier connectors (maxi and mini type).
1 - Engine bay control unit (CVM)2 - System protection maxifuse3 - Maxi type relay4 - Micro type relay5 - System protection mini fuse6 - Connection cable between battery control unit (CBA) and engine bay control unit (CVM)7 - Battery control unit (CBA)The maxi fuses grouped on the battery control unit (CBA) and engine bay control unit (CVM) are connected directly to the battery positive terminal and protect the main power supply lines.The engine bay control unit (CVM) is described below
In the more comprehensive version, the engine bay control unit protects the electrical equipment by means of the following fuses:
CODECOMPONENTamp.TYPE
F-1FUSE GLOW PLUG PREHEATING50MAXI
F-2FUSE FACIA CONTROL UNIT 250MAXI
F-3FUSE SELESPEED PUMP30MAXI
F-4FUSE BRAKE NODE (NFR)60MAXI
F-5FUSE SOLENOID CLIMATE CONTROL SYSTEM40MAXI
F-6FUSE RADIATOR FAN 140MAXI
F-7FUSE RADIATOR FAN 250 / 60MAXI
F-8FUSE HEATING ADDITIONAL (PTC 2) (not used)30mini
F-9FUSE HEADLAMP WASHER20mini
F-10FUSE HORNS15mini
F-11FUSE I.E. SECONDARY SERVICES15mini
F-14FUSE RIGHT MAIN BEAM10mini
F-15FUSE LEFT MAIN BEAM10mini
F-16FUSE 15/54 I.E. SYSTEM7.5mini
F-17FUSE I.E. PRIMARY SERVICES7.5mini
F-18FUSE +30 I.E. CONTROL UNIT7.5mini
F-19FUSE COMPRESSOR7.5mini
F-20FUSE HEATED DIESEL FILTER20mini
F-21FUSE FUEL PUMP15mini
F-22FUSE IGNITION COILS/ INJECTORS15 / 20mini
F-23FUSE FOR RELAY T20 (preparation)-mini
F-30FUSE FOG LIGHTS15mini
The following relays are present in the engine bay control unit:
CODECOMPONENTamp.TYPE
T02MAIN BEAM RELAY20micro
T03HORN RELAY20micro
T05COMPRESSOR RELAY20micro
T06RADIATOR FAN 1ST SPEED RELAY30micro
T07RADIATOR FAN 2ND SPEED RELAY50MAXI
T08ADDITIONAL HEATER ADDITIONAL (PTC 2) (not used)30micro
T09INJECTION RELAY30micro
T10FUEL PUMP RELAY20micro
T14FOG LIGHTS RELAY20micro
T17HEADLAMP WASHER RELAY20micro
T19HEATED DIESEL FILTER RELAY20micro
T20SPARE RELAY-micro
Wiring diagram of engine bay control unit interior (CVM)
Rear view
B01E 3 PIN connectorB01A 32 PIN connectorB01D 2 PIN connectorB01B 2 PIN connectorB01C 32 PIN connectorB01X 1 PIN connector (on front section)

Pin out

B01X Connector (1 way)
Conn.PinFunction
B01X1Cable connected to battery positive from CVM fuse (CBA)
1 - Connector B01B2 - Connector B01D3 - Connector B01E
Conn.PinFunction
B01BB+30 CPL option from F-2
B01BA+ 30 for glow plug preheating system from F-1
B01DA+30 for solenoid Climate control system from F-5
B01DB+30 NFR (ABS(VDC) from F-4
B01ECPower supply from F-6 for engine cooling fan (first level) downstream of T06
B01EBPower supply from F-6 for engine cooling fan (first level) upstream of T06
B01EAPower supply from F-7 for engine cooling fan (second level)
B01A connector (32 way)
B01A32Additional heater power supply (PTC 2) from F -8 (not used)
B01A31+30 Selespeed pump from F-3
B01A3015/54 from ignition switch
B01A29Not available
B01A28Low-tone horn power supply from F-10
B01A27High-tone horn power supply from F-10
B01A26PTC 2 relay feed negative signal
B01A25Left main beam power supply from F-15
B01A24Power supply from F-15 (preparation)
B01A23Fog lamp relay (T14) control negative signal from NBC
B01A22Right main beam power supply from F-14
B01A21Horn relay control negative signal (T03) from stalk unit
B01A2015/54 from F -16 for engine management relay coils - selespeed starting relay
B01A19Not available
B01A18Power supply from F-23 relay T20 (preparation)
B01A1785 relay (T20) (preparation)
B01A16Power supply from F-21 (fuel pump relay) (preparation)
B01A15"50" from ignition switch
B01A1486 relay T20 (preparation)
B01A13Not available
B01A12Main beam relay control negative signal (T02) from NBC
B01A11INT/A from F-31
B01A10INT/A for climate control unit from F-31
B01A9INT/A for emission control sensor from F-31
B01A8Not available
B01A7Not available
B01A6Headlamp washer relay control negative signal (T17) from NBC
B01A5Right fog lamp power supply from F-30
B01A4Left fog lamp power supply from F-30
B01A3Not available
B01A2+30 from F18 (preparation)
B01A1Headlamp washer pump power supply from F-9
B01C connector (32 way)
B01C32i.e. primary service power supply from F-17
B01C31i.e. primary service power supply from F-17
B01C30Fuel pump power supply from F-21
B01C2986 fuel pump relay coil (T10)
B01C28Engine cooling fan low speed relay control negative signal (T06) from NCM
B01C27Not available
B01C26Not available
B01C25Not available
B01C24Not available
B01C23+30 from F-18 for NCM
B01C22Diesel filter heater relay control negative signal (T19)
B01C21Engine cooling fan high speed relay control negative signal (T07) from NCM
B01C20Not available
B01C19Starter motor electromagnet power supply (50)
B01C18i.e. primary service power supply F-22 (coils/injectors)
B01C17Power supply from F-23 relay T20 (preparation)
B01C16Not available
B01C15Not available
B01C14Not available
B01C13Not available
B01C1286 I.E. main relay coil (T09)
B01C11Fuel pump relay control negative signal (T10) from NCM
B01C10i.e. relay main control negative signal (T09) from NCM
B01C915/54 from F-16 for NCM (key sense)
B01C815/54 from F-16 for engine control relay coils
B01C7i.e. secondary service power supply from F-11
B01C6Diesel filter heater relay control positive signal (T19) from D+ alternator
B01C5Air conditioner compressor relay control negative signal (T05) from NCM
B01C4Air conditioner compressor power supply from F-19
B01C386 relay T20 (preparation)
B01C2Power supply from F-20 for diesel filter PTC
B01C1Not available

FACIA CONTROL UNIT (CPL)

This is located on the Body Computer (NBC)Electromechanical control unit (CPL) and body computer electronic node (NBC) fitted to the underfacia area to the left of the steering wheel are interconnected and form a single unit known as the facia node (NPL). The control unit is equipped with fuses and relays
1 - EOBD connector diagnostic socket2 - Body computer (NBC)3 - Facia control unit (CPL) fitted to NBC node (CPL+NBC=NPL: Facia node)4 - Reserve fuses5 - System protection fuses6 - Relays7 - Fuse removal clipThe following figure shows a front view of the control unit
1 - Reserve fuses2 - Protection fuses3 - Heated rear windscreen relay (T11)4 - Dipped headlamps relay (T01)5 - Key discharge relay 1 (T12)6 - Key discharge relay 2 (T13)7 - ClipB02C - 2 pin connectorB02B - 1 pin connectorB02D - 32 pin connectorB02A - 20 pin connectorFacia control unit CPL protects the electrical equipment by means of the following fuses:
CODECOMPONENTamp.TYPE
F-12FUSE RIGHT DIPPED BEAM10mini
F-13FUSE LEFT DIPPED BEAM /CAF10mini
F-31FUSE HEATER UNIT/NCL RELAY COIL INT/A7.5mini
F-32FUSE (+30) NCR15mini
F-33FUSE LEFT REAR ELECTRIC WINDOW (not used)20mini
F-34FUSE RIGHT REAR ELECTRIC WINDOW (not used)20mini
F-35FUSE REVERSING LIGHT, CRUISE CONTROL, LIGHTING NCL7.5mini
F-36FUSE (+30) TRAILER CONTROL UNIT (not used)10mini
F-37FUSE STOP, NQS10mini
F-38FUSE DOOR LOCK20mini
F-39FUSE +30 SERVICES (RADIO, SEN. VOLUME, DIAGNOSTIC SOCK. (EOBD), PRED. CAR PHONE, NCL, NPG, , NIT15mini
F-40FUSE HEATED REAR WINDSCREEN30mini
F-41FUSE MIRRORS/HEATED NOZZLES7.5mini
F-42FUSE (INT) NFR,7.5mini
F-43FUSE TWO-WAY PUMP/ WIPER30mini
F-44FUSE CIGARETTE LIGHTER20mini
F-45FUSE HEATED SEATS15mini
F-46FUSE SUN ROOF (not used)15mini
F-47FUSE POWER SUPPLY NPG POWER (L.G.)20mini
F-48FUSE POWER SUPPLY NPG (L.P.)20Mini
F-49FUSE (INT) CONTROL/SECONDARY SERVICE LIGHTING, ELECTRIC WINDOWS7.5Mini
F-50FUSE (INT) AIR-BAG7.5Mini
F-51FUSE (INT) RADIO (NRR)7.5Mini
F-53FUSE +30 TURN SIGNAL/HAZARD WARNING, NQS10Mini
F-62FUSE ELECTRIC WINDOWS CONTROLUNITS15Mini

Pin out

Front view
1 - B02C connector (2 way)2 - B02B connector (2 way)
Conn.PinFunction
B02CA+30 from CPL CBA fuse
B02CB+30 from F-2 CVM
B02BBNot available
B02B