ENGINE PERFORMANCE – Volvo 850 T-5 1997 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.3L

2.3L Turbo, Engine Performance Wiring Diagrams (1 of 2) for Volvo 850 T-5 1997

List of elements for 2.3L Turbo, Engine Performance Wiring Diagrams (1 of 2) for Volvo 850 T-5 1997:

• (a/t)
• (left front of eng compt) evap valve
• (m/t)
• (rear) (lower front of eng block)
• A/t
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• A17
• A18
• A19
• A20
• A21
• A22
• A23
• A24
• A25
• A26
• A27
• A28
• A29
• A30
• A31
• A32
• A33
• A34
• A35
• A36
• A37
• A38
• A39
• A40
• A41
• A42
• A43
• Battery
• Camshaft position sensor (right rear of eng)
• Central electrical unit (left rear corner of engine compt)
• Duct)
• Engine coolant temperature sensor (left front of eng)
• Engine cooling fan relay
• Fuel inj
• Fuel system main relay (front of eng compt)
• Fuse #1 15a
• Fuse #15 10a
• G125 (lower front of engine block)
• Heated oxygen sensor (front) (on exhaust pipe, before converter)
• Heated oxygen sensor (rear) (on exhaust pipe, after converter)
• Iac idling valve (left rear of eng)
• Knock sensor (ks)
• Knock sensor (ks) (front) (lower front of eng block)
• M/t
• Mass air flow (maf) sensor (on air intake
• Motronic 4.3 engine control module (right front fender, in control module box)
• Nca
• Pnk
• Ptc resistor pre-heater (on air intake duct)
• Pulse sensor (rear of engine)
• Red
• Throttle position (tp) sensor (on throttle body assembly)

2.3L Turbo, Engine Performance Wiring Diagrams (2 of 2) for Volvo 850 T-5 1997

List of elements for 2.3L Turbo, Engine Performance Wiring Diagrams (2 of 2) for Volvo 850 T-5 1997:

• (on center console, forward of shift lever)
• A/c pressure sensor (front center of eng compt)
• A/c system (a/c pressostat & a/c relay w/ ecc)
• A/c system (a/c solenoid sw)
• A/c system (ecc control module)
• A/c system (w/ ecc) (a/c relay)
• A/t
• A10
• A11
• A18
• A26
• Acc
• Accelerometer
• Aw 50-42 automatic transmission control module (right front fender, in control module box)
• B10
• B11
• B12
• B13
• B14
• B15
• B16
• B17
• B18
• B19
• B20
• B21
• B22
• B23
• B24
• B25
• B26
• B27
• B28
• B29
• B30
• B31
• B32
• B33
• B34
• B35
• B36
• B37
• B38
• B39
• B40
• B41
• B42
• B43
• Central electrical unit (left rear corner of engine compt)
• Cruise control module (in central elec unit)
• Di power stage
• Distributor
• Eng temp gauge input
• Fuel pump (in fuel tank)
• Fuel pump relay (in central electrical unit)
• Fuse #2 15a
• G102 (left front shock tower)
• G303 (on right rear cross- member)
• G901 (top right side of steering column)
• Hot at all times
• Igniti0n coil
• Ignition switch
• Input trip computer
• Instrument cluster
• M/t
• Mal- function indicator "check engine"
• Module box)
• Motronic 4.3 engine control module (right front fender, in control
• Nca
• Off
• On-board diagnostics socket
• Overload relay 15+ (in central electrical unit)
• Pnk
• Red
• Run
• Start
• Tach input
• Turbo control valve (near left rear of engine)
• Vehicle speed output

2.4L

2.4L, Engine Performance Wiring Diagrams (1 of 2) for Volvo 850 T-5 1997

List of elements for 2.4L, Engine Performance Wiring Diagrams (1 of 2) for Volvo 850 T-5 1997:

• (in central elec. unit)
• A/c high pressure sensor (w/ ecc)
• A/c pressostat
• A/c relay pin 4 (w/ ecc)
• A/t only
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• A17
• A18
• A19
• A20
• A21
• A22
• A23
• A24
• A25
• A26
• A27
• A28
• A29
• A30
• Acc
• Aw 50-42 automatic transmission control module (right front of engine compt.)
• B10
• B11
• B12
• B13
• B14
• B15
• B16
• B17
• B18
• B19
• B20
• B21
• B22
• B23
• B24
• B25
• B26
• B27
• B28
• B29
• B30
• Battery
• Camshaft position sensor (behind distributor)
• Central electrical unit (left rear corner of engine compt.)
• Cruise control module
• Di power stage (front of left strut tower)
• Distributor
• Ecc control module pin a23 (optional)
• Engine cooling fan relay
• Ezk (di) ignition system control module (right front of engine compt.)
• Fuse #1 15a
• Fuse #2 15a
• Fuse #33 15a
• Fuse #8 40a
• G102 (on left front shock tower)
• G119 (left front of eng)
• Hot at all times
• Hot in acc or run
• Igniti0n coil (front of left strut tower)
• Ignition switch
• Instrument cluster
• Instrument cluster pin a11 (tachometer)
• Instrument cluster temp. gauge pin a26
• Knock sensor (front) (right front of eng)
• Knock sensor (rear) (left front of eng)
• Mal- function indicator "check engine"
• Nca
• Off
• Overload relay 15+ (in central electrical unit)
• Pnk
• Pulse sensor (below distri- butor)
• Red
• Run
• Speedo- meter (output)
• Start
• Variable intake manifold solenoid (left side of engine)

2.4L, Engine Performance Wiring Diagrams (2 of 2) for Volvo 850 T-5 1997

List of elements for 2.4L, Engine Performance Wiring Diagrams (2 of 2) for Volvo 850 T-5 1997:

• A/c pressostat
• A/c solenoid coupling
• A/t only
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• A17
• A18
• A19
• A20
• A21
• A22
• A23
• A24
• A25
• A26
• A27
• A28
• A29
• A30
• B10
• B11
• B12
• B13
• B14
• B15
• B16
• B17
• B18
• B19
• B20
• B21
• B22
• B23
• B24
• B25
• B26
• B27
• B28
• B29
• B30
• Central elec- trical unit
• Engine temperature sensor (right front of engine)
• Fuel injectors
• Fuel pump (in fuel tank)
• Fuel pump relay (in central electrical unit)
• Fuel system main relay (front of engine compt.)
• G119 (left front of engine)
• G310 (behind right rear seat)
• Heated oxygen sensor (on exhaust pipe, before converter)
• Iac idling valve (left front of engine)
• Instrument cluster pin a9 (trip computer)
• Lh 3.2 mfi control module (right front of eng compt)
• Mass air flow sensor (front of air cleaner housing)
• On-board diagnostic socket a (partial) (right front corner of eng compt)
• Pnk
• Red
• Solid state
• Throttle position sensor (left front of engine)