ENGINE PERFORMANCE – Honda Civic Natural Gas 2013 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

1.5L HYBRID

1.5L Hybrid, Engine Controls Wiring Diagram (1 of 5) for Honda Civic Natural Gas 2013

List of elements for 1.5L Hybrid, Engine Controls Wiring Diagram (1 of 5) for Honda Civic Natural Gas 2013:

• (lower left side of radiator) ect sensor 2
• (lower right rear of engine compt) j/c c011
• (right front corner of engine compt) a/c pressure sensor
• (under vehicle, on evaporative emission canister) evaporative emission canister vent shut valve
• 5v regulator
• 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
• Air conditioning system
• App sensor (center of dash)
• App sensor a
• App sensor b
• C216
• Circuit 10v stabilizing
• Circuit driving indicator
• Computer data lines system
• Cooling fans system
• Dimming circuit
• Eps control unit (right kick panel)
• F-can h
• F-can l
• Ftp sensor (front of fuel tank, on fuel line)
• Fuse 15a
• G503 (left side of dash)
• Gauge control module (tach)
• Hot at all times
• Indicator driving circuit a/t gear position
• Main circuit
• Mil ind
• Navigation & sound systems
• Pcm (powertrain control module) (left side of engine compt)
• Pgm-fi sub- relay
• Pnk
• Red
• Shift interlock system
• Starting/ charging system
• Transceiver f-can
• Under- hood fuse/ relay box (left rear of engine compt)

1.5L Hybrid, Engine Controls Wiring Diagram (2 of 5) for Honda Civic Natural Gas 2013

List of elements for 1.5L Hybrid, Engine Controls Wiring Diagram (2 of 5) for Honda Civic Natural Gas 2013:

• (in under-hood fuse/relay box) pgm-fi main relay 2
• C216
• C223
• C301
• C302
• Cvt clutch pressure control solenoid valve (on transmission lower valve body)
• Cvt output shaft (drive pulley) speed sensor (top of transmission housing)
• Eld
• Evap emission canister purge valve (top rear of engine)
• Exhaust side ignition coils (top left side of engine)
• Fuel pump
• Fuel tank unit (top of fuel tank)
• Fuse 1-6 100a
• Fuse 15a
• Fuse 20a
• G101 (left rear side of engine)
• G301 (under left headlight assembly)
• G601 (under driver's seat)
• Hot at all times
• Iat sensor
• Icm
• Ignition coil relay
• J/c c009 (rear of engine)
• J/c c010 (rear of engine)
• Maf sensor
• Maf/iat sensor (on engine air intake duct)
• Map sensor (left rear side of engine)
• Oil pressure switch (near oil filter)
• Pnk
• Red
• Spark plug
• Tan
• Under- hood fuse/ relay box (left rear of engine compt)

1.5L Hybrid, Engine Controls Wiring Diagram (3 of 5) for Honda Civic Natural Gas 2013

List of elements for 1.5L Hybrid, Engine Controls Wiring Diagram (3 of 5) for Honda Civic Natural Gas 2013:

• (behind left side of front bumper) outside atf temperature sensor
• (front left side of engine) engine oil temperature sensor
• (on rocker arm oil control valve) rocker arm oil pressure sensor a
• (on rocker arm oil control valve) rocker arm oil pressure sensor b
• (rear of engine) j/c c010
• (right rear of engine) ect sensor 1
• 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
• B49
• Battery sensor (on battery)
• C301
• C305
• Cvt drive pulley pressure control solenoid valve (on transmission lower valve body)
• Egr valve & egr valve position sensor
• G101 (left rear side of engine)
• G101 (top left rear side of engine)
• G902 (rear of transmission)
• Pcm (powertrain control module) (left side of engine compt)
• Pnk
• Red
• Rocker arm oil control solenoid a
• Rocker arm oil control solenoid b
• Tan

1.5L Hybrid, Engine Controls Wiring Diagram (4 of 5) for Honda Civic Natural Gas 2013

List of elements for 1.5L Hybrid, Engine Controls Wiring Diagram (4 of 5) for Honda Civic Natural Gas 2013:

• Brake pedal position switch (top of brake pedal assembly)
• C13
• C16
• C20
• C24
• C25
• C301
• C302
• C303
• C34
• Ckp sensor (right rear of engine)
• Cmp sensor (right rear of engine)
• Computer data lines system
• Cvt driven pulley pressure control solenoid valve (on transmission lower valve body)
• Cvt driven pulley pressure sensor (on transmission housing)
• Cvt input shaft (drive pulley) speed sensor (bottom of transmission housing)
• D10
• D12
• D19
• D23
• Etcs control relay
• Fuse 10a
• Fuse 15a
• Fuse 7.5a
• G101 (left rear side of engine)
• G902 (rear of transmission)
• Gauge control module (speedo)
• Hot in on or start
• Inhibitor solenoid (on transmission lower valve body)
• Micu
• Pgm-fi main relay 1
• Pnk
• Red
• Tan
• Under-dash fuse/relay box (under left end of dash)
• Vehicle speed sensor (in transmission)

1.5L Hybrid, Engine Controls Wiring Diagram (5 of 5) for Honda Civic Natural Gas 2013

List of elements for 1.5L Hybrid, Engine Controls Wiring Diagram (5 of 5) for Honda Civic Natural Gas 2013:

• (left rear of engine) throttle body
• (left rear side of engine) g101
• (on transmission housing) transmission range switch
• (rear of engine) j/c c010
• (top left side of engine) injectors
• A/f sensor (sensor 1) (right rear of engine)
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• C17
• C18
• C19
• C20
• C21
• C22
• C23
• C24
• C25
• C26
• C27
• C28
• C29
• C30
• C302
• C31
• C32
• C33
• C34
• C35
• C36
• C37
• C38
• C39
• C40
• C41
• C42
• C43
• C44
• C45
• C46
• C47
• C48
• C49
• Computer data lines system
• Exterior lights system
• G101 (left rear side of engine)
• Icm
• Intake side ignition coils (top right side of engine)
• J/c c009 (rear of engine)
• Knock sensor (front left side of engine)
• P r
• Pcm (powertrain control module) (left side of engine compt)
• Pnk
• Red
• Secondary ho2s (sensor 2) (in exhaust)
• Spark plug
• Tan
• Throttle actuator
• Throttle open sensor

1.5L Hybrid, IMA Wiring Diagram (1 of 3) for Honda Civic Natural Gas 2013

List of elements for 1.5L Hybrid, IMA Wiring Diagram (1 of 3) for Honda Civic Natural Gas 2013:

• (center front of ipu) junction board
• (lower right side of ipu) dc-dc converter
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• A17
• A18
• A19
• A20
• A21
• A22
• A23
• A24
• A25
• A26
• A27
• A28
• A29
• A30
• A31
• A32
• B10
• B11
• B12
• B13
• B14
• B15
• B16
• B17
• B18
• B19
• B20
• B21
• B22
• B23
• B24
• C210
• C222
• Computer data lines system
• Fuse 10a
• Fuse 7.5a
• G5 (right front corner of ipu module compt)
• Hot in on or start
• Ima motor (rear of engine)
• Motor control module (mcm) (top right side of ipu)
• Motor current sensor (center of ipu)
• Nca
• Pnk
• Red
• T10
• T11
• T12
• Tan
• Under-dash fuse/relay box (under left end of dash)

1.5L Hybrid, IMA Wiring Diagram (2 of 3) for Honda Civic Natural Gas 2013

List of elements for 1.5L Hybrid, IMA Wiring Diagram (2 of 3) for Honda Civic Natural Gas 2013:

• (right front corner of ipu module compt)
• Audio unit/audio navigation unit
• Battery module (in ipu)
• C213
• C216
• C222
• C501
• Central junction box 1
• Central junction box 2
• Computer data lines system
• D28
• Fuse 1-6 100a
• Fuse 10a
• Fuse 7.5a
• G4 (on left front strut tower)
• G901 (right front corner of ipu module compt)
• Gauge control module (speedo)
• Hot at all times
• Ipu module fan (right side of ipu)
• J/c c014
• J/c c016 (center front of ipu module compt)
• Mcm relay 1 (right side of ipu unit)
• Mcm relay 2 (right side of ipu unit)
• Nca
• Pnk
• Red
• Sound systems
• T101
• Tan
• Under-dash fuse/relay box (under left end of dash)
• Under-hood fuse/relay box (left rear of engine compt)
• V-sensor 1
• V-sensor 2
• V-sensor 3
• V-sensor 4
• W/ navigation

1.5L Hybrid, IMA Wiring Diagram (3 of 3) for Honda Civic Natural Gas 2013

List of elements for 1.5L Hybrid, IMA Wiring Diagram (3 of 3) for Honda Civic Natural Gas 2013:

• (right front corner of ipu module compt) j/c c014
• (right front of engine compt)
• (right side of ipu module compt) a/c compressor driver
• (top left rear side of engine)
• (under left headlight assembly)
• 10v stabilizer circuit
• A/c compressor (left front of engine)
• A/c compressor clutch/ thermal protector
• Auto stop indicator
• C208
• C221
• C222
• C305
• C501
• Charging system indicator
• Computer data lines system
• Dimming circuit
• F can tranceiver
• F-can h
• F-can l
• Fuse 7.5a
• G101
• G301
• G302
• G503 (left side of dash)
• G901 (right front corner of ipu module compt)
• Gauge control module (tach)
• Hot in on or start
• Ima motor rotor position sensor (top of ima housing)
• Ima system indicator
• Indicator drive circuit
• Main circuit
• Mpi module (right side of ipu)
• Nca
• Pnk
• Red
• T16 (right side of ipu module compt)
• Tan
• Under-dash fuse/relay box (under left end of dash)

1.8L

1.8L, Engine Performance Wiring Diagram (1 of 5) for Honda Civic Natural Gas 2013

List of elements for 1.8L, Engine Performance Wiring Diagram (1 of 5) for Honda Civic Natural Gas 2013:

• (a/t) j/c c005 (m/t) j/c c009
• (lower left side of radiator) ect sensor 2
• (right front of engine compt) a/c pressure sensor
• (under left end of dash)
• (under left side of vehicle) evap canister vent shut valve
• 10v stabilizing
• A/c condenser fan relay
• A/t gear position indicator driving circuit
• 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
• Air conditioning system
• App sensor (left rear of engine compt)
• App sensor a
• App sensor b
• C215
• Circuit
• Computer data lines system
• Cooling fans system
• Cruise control system
• D28
• Dimming circuit
• Diode a
• Ecm/pcm (left side of engine compt)
• Eps control unit (behind right kick panel)
• F-can h
• F-can l
• Ftp sensor (under rear seats)
• Fuse 10a
• Fuse 15a
• Fuse 15a (a/t)
• Fuse 7.5a
• G503 (under left side of dash)
• Gauge control module (tach)
• Hot at all times
• Hot in on or start
• Indicator drive circuit
• Main circuit
• Mil ind
• Navigation system
• Pgm-fi sub- relay
• Pnk
• Red
• Shift interlock system
• Transceiver f-can
• Under- dash fuse/ relay box
• Under- hood fuse/ relay box (left rear of engine compt)

1.8L, Engine Performance Wiring Diagram (2 of 5) for Honda Civic Natural Gas 2013

List of elements for 1.8L, Engine Performance Wiring Diagram (2 of 5) for Honda Civic Natural Gas 2013:

• (in top of fuel tank) fuel tank unit
• (under
• (under left side of dash) brake pedal position switch
• A/t clutch pressure control solenoid valve a (on transmission housing)
• A/t clutch pressure control solenoid valve b (on transmission housing)
• C404 (m/t) c407 (a/t)
• Driver's seat)
• Eld unit
• Evap canister purge valve (right rear of engine)
• Fuel pump
• Fuse 15a
• G101 (left rear of engine)
• G301 (under left front headlight assembly)
• G601
• Hot at all times
• Iat sensor
• Ignition coil relay
• Imt actuator (right front of engine)
• Maf sensor
• Maf/iat sensor (left rear of engine compt)
• Map sensor (right rear of engine)
• Output shaft (counter shaft) speed sensor (on transmission housing)
• Under- hood fuse/ relay box (left rear of engine compt)

1.8L, Engine Performance Wiring Diagram (3 of 5) for Honda Civic Natural Gas 2013

List of elements for 1.8L, Engine Performance Wiring Diagram (3 of 5) for Honda Civic Natural Gas 2013:

• (near oil filter) oil pressure switch
• (on transmission housing)
• (on transmission housing) atf temperature sensor
• (rear of engine) ect sensor 1
• (top front of engine) rocker arm oil control solenoid
• (top left rear of engine) egr valve & egr valve position sensor
• 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
• B49
• C401
• Ecm/pcm (left side of engine compt)
• G101 (left rear of engine)
• J/c c004 (a/t) j/c c008 (m/t)
• Red
• Shift solenoid
• Starting/ charging system
• Transmission fluid pressure switch a (2nd clutch) (on transmission housing)
• Transmission fluid pressure switch b (3rd clutch)
• Valve a
• Valve b
• Valve c
• Valve d

1.8L, Engine Performance Wiring Diagram (4 of 5) for Honda Civic Natural Gas 2013

List of elements for 1.8L, Engine Performance Wiring Diagram (4 of 5) for Honda Civic Natural Gas 2013:

• (m/t) c404 (a/t) c407
• 2-1
• A/t clutch pressure control solenoid valve c (on transmission housing)
• C13
• C16
• C20
• C25
• C34
• C35
• C404 (m/t) c407 (a/t)
• C405
• Ckp sensor (left side of engine)
• Cmp sensor (right rear of engine)
• Computer data lines system
• D10
• D12
• D19
• Driver's micu
• Etcs control relay
• Fuse 10a
• Fuse 15a
• Fuse 7.5a
• G101 (left rear of engine)
• Hot in on or start
• Input shaft (main shaft) speed sensor (a/t) (on transmission housing)
• Line pressure solenoid valve a (left front of transmission)
• Pgm-fi main relay 1
• Pgm-fi main relay 2
• Pnk
• Red
• Starting/ charging system
• Transmission range switch (on transmission housing)
• Under-dash fuse/relay box (under left end of dash)

1.8L, Engine Performance Wiring Diagram (5 of 5) for Honda Civic Natural Gas 2013

List of elements for 1.8L, Engine Performance Wiring Diagram (5 of 5) for Honda Civic Natural Gas 2013:

• (left rear of engine) g101
• (right rear of engine) throttle body
• (top front of engine) rocker arm oil pressure switch
• (top of engine, above cylinders) injectors
• A/f sensor 1 (top left rear of engine)
• Barometer sensor
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• C17
• C18
• C19
• C20
• C21
• C22
• C23
• C24
• C25
• C26
• C27
• C28
• C29
• C30
• C31
• C32
• C33
• C34
• C35
• C36
• C37
• C38
• C39
• C40
• C402
• C41
• C42
• C43
• C44
• C45
• C46
• C47
• C48
• C49
• Ecm/pcm (left side of engine compt)
• G101 (left rear of engine)
• Icm
• Ignition coils (top of cylinder)
• J/c c004 (a/t) j/c c008 (m/t)
• Knock sensor (top of engine)
• Red
• Secondary ho2s sensor 2 (left rear of engine, in exhaust)
• Spark plug
• Throttle actuator

2.4L

2.4L, Engine Performance Wiring Diagram (1 of 5) for Honda Civic Natural Gas 2013

List of elements for 2.4L, Engine Performance Wiring Diagram (1 of 5) for Honda Civic Natural Gas 2013:

• (lower left side of radiator) ect sensor 2
• (right front of engine compt) a/c pressure sensor
• (under left end of dash)
• (under left side of vehicle) evap canister vent shut valve
• A/c condenser fan relay
• 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
• Air conditioning system
• Anti-theft system
• App sensor (left rear of engine compt)
• App sensor a
• App sensor b
• C215
• Computer data lines system
• Cooling fans system
• Cruise control system
• D28
• Diode a
• Ecm/pcm (left side of engine compt)
• Eps control unit (behind right kick panel)
• Ftp sensor (under rear seats)
• Fuse 10a
• Fuse 15a
• Fuse 7.5a
• Hot at all times
• J/c c012
• Navigation system
• Pgm-fi sub- relay
• Red
• Under- dash fuse/ relay box
• Under- hood fuse/ relay box (left rear of engine compt)

2.4L, Engine Performance Wiring Diagram (2 of 5) for Honda Civic Natural Gas 2013

List of elements for 2.4L, Engine Performance Wiring Diagram (2 of 5) for Honda Civic Natural Gas 2013:

• (in top of fuel tank) fuel tank unit
• (under
• (under left side of dash) brake pedal position switch
• C410
• Cmp sensor a (left rear of engine)
• Driver's seat)
• Eld unit
• Evap canister purge valve (right rear of engine)
• Fuel pump
• Fuel sender
• Fuse 15a
• G101 (left rear of engine)
• G301 (under left front headlight assembly)
• G601
• Hot at all times
• Iat sensor
• Ignition coil relay
• Instrument cluster system
• J/c c011
• Maf sensor
• Maf/iat sensor (left rear of engine compt)
• Map sensor (left rear of engine)
• Oil pressure switch (near oil filter)
• Output shaft (counter shaft) speed sensor (on transmission housing)
• Pnk
• Red
• Reverse lockout solenoid (top of transmission housing)
• Under- hood fuse/ relay box (left rear of engine compt)

2.4L, Engine Performance Wiring Diagram (3 of 5) for Honda Civic Natural Gas 2013

List of elements for 2.4L, Engine Performance Wiring Diagram (3 of 5) for Honda Civic Natural Gas 2013:

• (rear of engine) ect sensor 1
• (top front of engine) rocker arm oil control solenoid
• 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
• B49
• Ecm/pcm (left side of engine compt)
• G101 (left rear of engine)
• J/c c011
• Pnk
• Red
• Starting/ charging system
• Tan

2.4L, Engine Performance Wiring Diagram (4 of 5) for Honda Civic Natural Gas 2013

List of elements for 2.4L, Engine Performance Wiring Diagram (4 of 5) for Honda Civic Natural Gas 2013:

• 10v stabilizing
• A/t gear position indicator driving circuit
• C13
• C16
• C20
• C25
• C34
• C35
• C410
• C411
• Circuit
• Circuit dimming
• Ckp sensor (left side of engine)
• Cmp sensor b (right rear of engine)
• Computer data lines system
• D10
• D12
• D19
• Etcs control relay
• F-can h
• F-can l
• F-can transceiver
• Fuse 15a
• Fuse 7.5a
• G101 (left rear of engine)
• G503 (under left side of dash)
• Gauge control module (tach)
• Hot in on or start
• Indicator drive
• Main circuit
• Micu
• Mil ind
• Pgm-fi main relay 1
• Pgm-fi main relay 2
• Pnk
• Red
• Under-dash fuse/relay box (under left end of dash)

2.4L, Engine Performance Wiring Diagram (5 of 5) for Honda Civic Natural Gas 2013

List of elements for 2.4L, Engine Performance Wiring Diagram (5 of 5) for Honda Civic Natural Gas 2013:

• (front of engine)
• (left rear of engine)
• (left rear of engine) throttle body
• (top front of engine) rocker arm pressure switch
• (top of engine, above 1, 2, 3, 4 cylinders) injectors
• A/f sensor 1 (top left rear of engine)
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• C17
• C18
• C19
• C20
• C21
• C22
• C23
• C24
• C25
• C26
• C27
• C28
• C29
• C30
• C31
• C32
• C33
• C34
• C35
• C36
• C37
• C38
• C39
• C40
• C408
• C41
• C410
• C42
• C43
• C44
• C45
• C46
• C47
• C48
• C49
• Ecm/pcm (left side of engine compt)
• G101
• G101 (left rear of engine)
• G102 (left front of engine)
• Icm
• Ignition coils (top of cylinder)
• J/c c011
• Knock sensor (lower left side of engine)
• Pnk
• Red
• Secondary ho2s sensor 2 (left rear of engine in exhaust)
• Spark plug
• Tan
• Throttle actuator
• Vtc oil control solenoid valve