ENGINE PERFORMANCE – Mazda MX-5 Miata Mazdaspeed 2005 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

1.8L

1.8L, Engine Performance Wiring Diagram (1 of 3) for Mazda MX-5 Miata Mazdaspeed 2005

List of elements for 1.8L, Engine Performance Wiring Diagram (1 of 3) for Mazda MX-5 Miata Mazdaspeed 2005:

• (on top of engine)
• (on top of engine) fuel injectors
• Air conditioning system
• Anti-theft system
• Camshaft position sensor (on right rear of engine)
• Condenser (at rear of engine)
• Cooling fans system
• Crankshaft position sensor (on front of engine)
• Egr valve (near right front of engine)
• Engine fuse 15a
• Fuel inj fuse 30a
• Fuse block (behind left side of dash)
• G5 (at right side of engine compt)
• Hot at all times
• Hot in run or start
• Ignition coil 1
• Ignition coil 2
• J/c x-16
• Main fuse block (at right rear of engine compt)
• Main relay
• Mass airflow sensor (near left front corner of engine)
• Pnk
• Powertrain control module (pcm) (behind left side of dash)
• Red
• Starting/charging system
• Vtcs solenoid valve (at right rear of engine compt)

1.8L, Engine Performance Wiring Diagram (2 of 3) for Mazda MX-5 Miata Mazdaspeed 2005

List of elements for 1.8L, Engine Performance Wiring Diagram (2 of 3) for Mazda MX-5 Miata Mazdaspeed 2005:

• (at left rear of engine compt) data link connector
• (at lower left side of dash) data link connector 2
• (at right rear of engine compt) abs hydraulic unit/control module
• (at right rear of engine compt) egr boost sensor solenoid valve
• (at right side of engine compt) purge solenoid valve
• (behind left side of dash) (if equipped) cruise control module
• (on right front of engine) idle air control valve
• (under rear center of vehicle) fuel pump unit
• Clutch switch (m/t) (behind left side of dash)
• Fuel gauge sender unit
• Fuel pump
• Fuel pump relay
• G1 (behind right headlight)
• G2 (behind left side of dash)
• G5 (at right side of engine compt)
• G8 (at right sail panel)
• G9 (at rear of engine)
• Heated oxygen sensor (front) (on exhaust system, on left side of engine)
• Heated oxygen sensor (rear) (on exhaust system, near rear of engine)
• J/c x-13
• J/c x-16
• Jc-01
• Jc-02
• Knock sensor (on right front of engine)
• Main fuse block (at right rear of engine compt)
• Nca
• Neutral switch (m/t) (on trans- mission)
• Pnk
• Red
• Vtcs vacuum switch (at right side of engine compt)
• W/ immobilizer system
• W/o immobilizer system

1.8L, Engine Performance Wiring Diagram (3 of 3) for Mazda MX-5 Miata Mazdaspeed 2005

List of elements for 1.8L, Engine Performance Wiring Diagram (3 of 3) for Mazda MX-5 Miata Mazdaspeed 2005:

• (a/t)
• (at right side of engine compt) g5
• (behind left side of dash) brake switch
• (m/t)
• (near left front of engine) power steering pressure switch
• (on right front of engine) (w/ turbocharger) oil control valve (ocv)
• (w/ turbocharger) turbocharger wastegate regulating valve
• 4aa
• 4ab
• 4ac
• 4ad
• 4ae
• 4af
• 4ag
• 4ah
• Air conditioning system
• Audio unit (w/ bose)
• Charge ind
• Check engine ind
• Egr boost sensor (at right side of engine compt)
• Engine coolant temperature sensor (on top rear of engine)
• Evap system leak detection pump (under rear center of vehicle)
• Fuel gauge
• Fuse block (behind left side of dash)
• G8 (at right sail panel)
• Hot at all times
• Hot in run or start
• Instrument cluster
• Intake air temperature (iat) sensor 2 (w/ turbocharger)
• Intake air temperature sensor 1
• Main fuse block (at right rear of engine compt)
• Meter fuse 15a
• Micro- computer
• Pnk
• Powertrain control module (pcm) (behind left side of dash)
• Red
• Room fuse 10a
• Starting/charging system
• Stop fuse 15a
• Throttle position sensor (on right front of engine)
• Transmission control module (at left kick panel)