ENGINE PERFORMANCE – Volvo S40 2003 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

1.9L TURBO

1.9L Turbo, Engine Performance Wiring Diagram (1 of 3) for Volvo S40 2003

List of elements for 1.9L Turbo, Engine Performance Wiring Diagram (1 of 3) for Volvo S40 2003:

• (at left front of eng compt) evap valve
• (at right rear of eng compt, on strut tower)
• (on left side of eng compt) mass airflow (maf) sensor
• (on left side of eng compt, near air cleaner) turbocharger control valve
• + nca
• - nca
• 31/6
• 31/7 (under center of dash)
• A17
• Abs system
• B10
• B23
• Cooling fans system
• Engine management system (behind lower center of dash)
• Exhaust gas warning lamp
• Ignition coil (1 & 4 cyl)
• Ignition coil (2 & 3 cyl)
• Instrument cluster
• Leakage diagnostic pump (at left rear of vehicle)
• Micro-controller
• Nca
• Noise filter
• Pnk
• Pulse transmitter (on rear of engine)
• Red
• Tachometer
• Transmissions system

1.9L Turbo, Engine Performance Wiring Diagram (2 of 3) for Volvo S40 2003

List of elements for 1.9L Turbo, Engine Performance Wiring Diagram (2 of 3) for Volvo S40 2003:

• (in fuel tank) fuel pump
• 31/1 (at left rear of eng compt)
• 31/2 (at left rear of eng compt)
• 31/4 (at left rear of eng compt)
• Charge pressure sensor 1 (near left rear of engine)
• Crankcase breather
• Engine compartment fuse & relay box (at left rear corner of engine compt)
• Engine management system main relay (in engine compt fuse & relay box)
• Engine temperature sensor (on rear of engine)
• Front heated oxygen sensor (on exhaust system, upstream of catalytic converter)
• Fuel filter
• Fuse 11 10a
• Fuse 11 20a
• Fuse 17 15a
• Fuse 18 10a
• Hot at all times
• Hot in on or start
• I13
• I14
• Knock sensor (at left side of engine)
• Nca
• Passenger compartment fuse & relay box (behind left end of dash)
• Pnk
• Rear heated oxygen sensor (on exhaust system, downstream of catalytic converter)
• Red

1.9L Turbo, Engine Performance Wiring Diagram (3 of 3) for Volvo S40 2003

List of elements for 1.9L Turbo, Engine Performance Wiring Diagram (3 of 3) for Volvo S40 2003:

• (at right front side of engine) cvvt valve
• (behind left end of dash) electronic immobilizer control module
• (in right front corner of eng compt) abs control module
• (on left side of cylinder head) idling valve
• A/c pressure sensor (in left front corner of engine compt)
• A/c system
• Abs system
• Air temperature sensor (at center front of eng compt)
• Camshaft position sensor (on cylinder head)
• Charge pressure sensor 2 (on left side of engine)
• Engine management system (behind lower center of dash)
• Fuel injectors
• Nca
• Pnk
• Red
• Throttle position sensor (on throttle body)
• Transmissions system