ENGINE PERFORMANCE – Volvo XC70 2003 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.5L TURBO

2.5L Turbo, Engine Performance Wiring Diagram (1 of 3) for Volvo XC70 2003

List of elements for 2.5L Turbo, Engine Performance Wiring Diagram (1 of 3) for Volvo XC70 2003:

• (on left front eng compt) intake manifold temperature sensor
• (on top rear of engine) mass airflow (maf) sensor
• (right front of eng compt) climate control system pressure sensor
• 31/96 (at rear of right fender)
• 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
• A44
• A45
• A46
• A47
• A48
• A49
• A50
• A51
• A52
• A53
• A54
• A55
• A56
• A57
• A58
• A59
• A60
• A61
• A62
• A63
• A64
• A65
• A66
• A67
• A68
• A69
• A70
• Camshaft position sensor (top rear of engine)
• Camshaft sensor (if equipped) (top rear of engine)
• Computer data lines system
• Cooling fans system
• Engine control module (right side of engine compt, forward of strut tower)
• Engine throttle body (left side of engine)
• Evap valve (left front of eng compt)
• Front knock sensor (top left front of eng)
• Fuel injectors
• Impulse sensor (top rear of engine)
• Nac
• Nca
• Pnk
• Rear knock sensor (top left rear of engine)
• Red
• Variable valve timing inlet solenoid (at top rear of engine)
• Variable valve timing outlet solenoid (at top front of engine)

2.5L Turbo, Engine Performance Wiring Diagram (2 of 3) for Volvo XC70 2003

List of elements for 2.5L Turbo, Engine Performance Wiring Diagram (2 of 3) for Volvo XC70 2003:

• (behind left side of dash) central electronic module (cem)
• (on front of eng) coolant temperature sensor
• (on left side of engine) oil pressure sensor
• (top rear of engine) turbocharger control valve
• 31/88 (at top of eng, near spark plugs)
• 31/89 (top rear of eng)
• 31/91 (left side of engine)
• 31/93 (at rear of left fender)
• A20
• Air preheating ptc resistor (top right side of engine)
• B14
• B17
• B18
• B22
• C14
• Computer data lines system
• Coolant level sensor (on engine coolant reservoir)
• Data link connector (below left side of dash)
• Fuel pump relay
• Fuse 10a
• Fuse 15a
• Heated oxygen sensor
• Heated oxygen sensor 1
• Hot at all times
• Ignition coils
• Nca
• Passenger compartment fuse box (at left end of dash)
• Pnk
• Red
• Spark plugs
• Transmission control module (right side of eng compt, forward of strut tower)

2.5L Turbo, Engine Performance Wiring Diagram (3 of 3) for Volvo XC70 2003

List of elements for 2.5L Turbo, Engine Performance Wiring Diagram (3 of 3) for Volvo XC70 2003:

• (behind left side of dash) central electronic module
• (in fuel tank) fuel pump
• (top of brake pedal) brake light switch
• 31/48 (right rear of passenger's compartment)
• 31/6 (at left kick panel)
• 31/93 (at rear of left fender)
• Accelerator pedal sensor (near accelerator pedal)
• 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
• B44
• B45
• B46
• B47
• B48
• Clutch pedal sensor (w/m/t) (behind left side of dash)
• Computer data lines system
• Cooling fans system
• Engine compartment relay/fuse box (left side of eng compt)
• Engine control module (ecm) (right side of engine compt, forward of strut tower)
• Engine control system main relay
• Fuel leakage control pump (under rear of vehicle, near fuel tank)
• Fuel leakage control relay
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 5a
• Hot at all times
• Ignition switch
• Instrument cluster
• Nca
• Outside temperature sensor (integral to left sideview mirror)
• Red
• Starting/ charging system