Workshop Manuals Factory service & repair Lancia
Lancia Thesis Factory Service Manual (2002-2009)16 · Electrical equipment
16 · Electrical

Engine compartment control unit (cvm)

Make
Lancia
Model
Thesis Factory Service Manual
Year
2002–2009
Section
Instrument/gauge electrical circuits › Engine compartment control unit (cvm)
Electrical equipmentEngine compartment control unit (cvm)

ENGINE COMPARTMENT CONTROL UNIT (CVM)

COMPOSITION

Electro-mechanical control unit including fuses (Maxi and Mini), relays and circuits for connecting the front wiring and radiator pre-wiring.

This wiring is connected to the control unit through fixed couplings. There is a chamber under the protective cover for housing any further connectors/relays/fuses.

There is a fastening on the lower cover for sealed fuse holder connectors (maxi and auto type).

The CVM carries out the following functions:

  • integrates the relays and fuses described in the table
  • connects with the front wiring
  • houses two equal power couplings for connection of the starter motor "50" inside the protective container
ENGINE COMPARTMENT CONTROL UNIT (CVM)
  • 1 Engine compartment control unit (CVM)
  • 2 System protective maxifuse
  • 3 Maxi type relay
  • 4 Micro type relay
  • 5 System protective mini fuses
  • 6 Connecting cable between battery and engine compartment control units (CBA) and (CVM)
  • 7 Battery control unti (CBA)

The maxi fuses are grouped together in both the battery control unit (CBA) and the engine compartment control unti (CVM) connected directly to the positive battery pole and protecting the main supply lines.

ENGINE COMPARTMENT CONTROL UNIT (CVM)
The engine compartment control unit (CVM) is illustrated below

On the more complete version the engine compartment control unit protect the electrical system via the following fuses:

CODCOMPONENTIn[A]TYPE
F-1FUSE HEATER PLUGS (TDS ONLY)60MAXI
F-2FUSE NFR 140MAXI
F-3FUSE IGNITION SWITCH20MAXI
F-4FUSE NFR 240MAXI
F-5FUSE CLIMATE CONTROL FAN40MAXI
F-6FUSE ENGINE COOLING FAN60MAXI
F-7FUSE ADDITIONAL HEATER SUPPLY (PTC2, TDS ONLY)50MAXI
F-8FUSE ADDITIONAL HEATER SUPPLY (PTC1, TDS ONLY)30mini
F-9FUSE HEADLAMP WASHER20mini
F-10FUSE HORNS15mini
F-11FUSE I.E. VARIOUS SECONDARY SERVICES15mini
F-14FUSE RIGHT MAIN BEAM HEADLAMP10mini
F-15FUSE LEFT MAIN BEAM HEADLAMP10mini
F-16FUSE 15/54 I.E. SYSTEM7,5mini
F-17FUSE I.E. MAIN SERVICES15mini
F-18FUSE +30 NCM7,5mini
F-19FUSE COMPRESSOR7,5mini
F-20FUSE DIESEL FILTER PTC20mini
F-21FUEL PUMP SUPPLY FUSE15mini
F-22FUSE IGNITION COILS/INJECTORS15Petrol/ 20Dsmini
F-23FUSE 50 STARTER MOTOR C.A.20mini
F-30FUSE FOG LIGHT15mini

The following relays are housed in the engine compartment control unit:

CODCOMPONENTIn[A]TYPE
T02MAIN BEAM HEADLAMPS RELAY20micro
T03HORN RELAY20micro
T05COMPRESSOR RELAY20micro
T06PREPARATION (NOT USED)micro
T07ADDITIONAL HEATER SUPPLY (PTC2 TDS ONLY)50MAXI
T08ADDITIONAL HEATER SUPPLY PTC1, TDS ONLY30micro
T09INJECTION SYSTEM MAIN RELAY30micro
T10FUEL PUMP RELAY20micro
T14FOG LIGHTS RELAY20micro
T17HEADLAMP WASHER RELAY20micro
T19DIESEL FILTER PTC RELAY20micro
T20STARTER INHIBITOR RELAY (C.A./ KEY-LESS GO)30micro
ENGINE COMPARTMENT CONTROL UNIT (CVM)
Engine compartment control unit (CVM) internal wiring diagram
ENGINE COMPARTMENT CONTROL UNIT (CVM)
Rear view
  • Connector B01E 3 PIN
  • Connector B01A 32 PIN
  • Connector B01D 2 PIN
  • Connector B01B 2 PIN
  • Connector B01C 32 PIN
  • Connector B01X 1 PIN (on front section)

PIN OUT

Connector B01X, (1 way)

Conn.PinFunction
B01X1Cable connected to battery positive from F-70 (CBA)
ENGINE COMPARTMENT CONTROL UNIT (CVM)
  • 1 Connector B01B (2 way)
  • 2 Connector B01D (2 way)
  • 3 Connector B01E (3 way)
Conn.PinFunction
B01BB+30 for NFR from F-2
B01BA+30 from F-1 for engine cooling fan - CER
B01DA+30 climate control fan from F-5
B01DB+30 NFR 2 from F-4
B01ECSupply from F-6 for passenger compartment additional heater (PTC1)
B01EB+30 from F-6 (preparation)
B01EASupply from F-7 for passenger compartment additional heater (PTC2)
ENGINE COMPARTMENT CONTROL UNIT (CVM)
Connector B01A (32 way)
Conn.PinFunction
B01A1Headlamp washer pump supply from F-9
B01A2+30 from F-18 (preparation)
B01A3Not available
B01A4Supply from F-30 for left fog light
B01A5Supply from F-30 for right fog light
B01A6Headlamp washer relay negative signal (T17) from NBC
B01A7Not available
B01A8Not available
B01A9INT/A from F-31 CPL for pollution sensor
B01A10INT/A from F-31 CPL for reversing lights
B01A11INT/A from F-31 CPL (input)
B01A12Main beam headlamps relay negative signal (T02) from NBC
B01A13Not available
B01A14Relay T20 positive signal (automatic transmission/key-less go)
B01A15Track to AC19
B01A16Supply from F-21/ T10 (preparation)
B01A17Relay T20 negative signal (automatic transmission/key-less go)
B01A18Starter motor "50" supply from F-23/T20 (automatic transmission/key-less go)
B01A19Not available
B01A20+15/54 from F-16 for Engine Cooling Fan Control Unit (CER)
B01A21Horn (T03) relay negative signal from steering column switch unit
B01A22Right main beam headlamp supply from F-14
B01A23Fog lights relay negative signal
B01A24Supply from F-15 (+ main beam headlamps, preparation)
B01A25Left main beam headlamp supply from F-15
B01A2685 relay coil T08 (preparation)
B01A27High tone horn supply from F-10
B01A28Low tone horn supply from F-10
B01A29Not available
B01A3015/54 from ignition switch
B01A31+30 ignition switch from F-3
B01A32Supply from F-8/ T08 (preparation)
ENGINE COMPARTMENT CONTROL UNIT (CVM)
Connector B01C (32 way)
Conn.PinFunction
B01C1Not available
B01C2Supply from F-20 for diesel filter heater PTC
B01C3Positive signal controlling relay coil T20 (preparation)
B01C4Air conditioning compressor supply from F-19
B01C5Air conditioning compressor relay negative signal (T05) from NCM
B01C6Positive signal for relay for diesel filter heater (T19) from F11
B01C7I.E. secondary services supply from F-11
B01C815/54 from F-16 for engine management relay coils
B01C915/54 from F-16 for NCM (key-sense)
B01C10I.E. main relay negative signal (T09) from NCM
B01C11Pump relay negative signal (T10) from NCM
B01C1286 i.e. main relay coil (T09)
B01C13Not available
B01C14Not available
B01C15Not available
B01C16Not available
B01C17Supply from F-23/ T20 (preparation)
B01C18Supply for i.e. main services from F-22 (coils, injectors)
B01C19Track to AA15
B01C20Not available
B01C21Relay PTC2 negative signal (T07)
B01C22Negative signal for relay for diesel filter heater (T19) from NCM
B01C23+30 from F-18 for NCM
B01C24Not available
B01C25Not available
B01C26Not available
B01C27Not available
B01C28Relay PTC1 negative signal (T06)
B01C2986 fuel pump relay coil (T10)
B01C30Fuel pump supply from F-21
B01C31I.E. main services supply from F-17
B01C32I.E. main services supply from F-17

Parts & tools for this job Staging For 2002 Lancia Thesis

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