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Aftermarket ECU
INJ1-SIG Injector low side
INJ2-SIG Injector low side
INJ3-SIG Injector low side
INJ4-SIG Injector low side
TRAIL1-TRG Trailing trigger
GND
GND
MAP-SIG MAP signal
0V sensor
5V ref
RLY-COIL- Relay coil negative (ECU low-side driver)
ECT-SIG ECT signal
IAT-SIG IAT signal
O2-SIG O2 signal
TPS-SIG TPS signal
0V sensor
CAS-G Home signal (G)
CAS-NE Crank signal (NE)
LEAD-TRG Leading trigger
TRAIL2-TRG Trailing trigger
BOOST-SIG Turbo VSV low side
ISC-SIG ISC low side
SPEEDUINO-A
Aftermarket ECU
1Injector 1
2Injector 2
3Injector 3
5Injector 4
7Ignition 1
9Ground
10Ground
11MAP sensor (0-5V)
12Ground
135V
16Proto area 3 (fuel pump)
19Coolant temp (CLT)
20Inlet air temp (IAT)
21O2 sensor
22TPS input
23Ground
24Cam input / VR2+
25Crank input / VR1+
33Ignition 3
34Ignition 2
35Boost
36Idle 2 (3-wire idle)
RX-7 flapper AFM
AFM
RX-7 flapper AFM
GNDAFM ground
0V sensor
Battery
BAT
Battery
-Battery negative / chassis ground
+Battery positive
GND
F1
RX-7 turbo solenoid
BOOST
RX-7 turbo solenoid
SIGTurbo VSV low side
SPEEDUINO-A-35 Boost
RX-7 CAS
CAS
RX-7 CAS
GHome signal (G)
GNDCAS ground
NECrank signal (NE)
SPEEDUINO-A-24 Cam input / VR2+
0V sensor
SPEEDUINO-A-25 Crank input / VR1+
RX-7 ECT sensor
ECT
RX-7 ECT sensor
GNDECT sensor ground
SIGECT signal
0V sensor
SPEEDUINO-A-19 Coolant temp (CLT)
RX-7 IAT sensor
IAT
RX-7 IAT sensor
GNDIAT sensor ground
SIGIAT signal
0V sensor
SPEEDUINO-A-20 Inlet air temp (IAT)
RX-7 fuel injector
INJ1
RX-7 fuel injector
SIGInjector low side
SPEEDUINO-A-1 Injector 1
RX-7 fuel injector
INJ2
RX-7 fuel injector
SIGInjector low side
SPEEDUINO-A-2 Injector 2
RX-7 fuel injector
INJ3
RX-7 fuel injector
SIGInjector low side
SPEEDUINO-A-3 Injector 3
RX-7 fuel injector
INJ4
RX-7 fuel injector
SIGInjector low side
SPEEDUINO-A-5 Injector 4
RX-7 ISC solenoid
ISC
RX-7 ISC solenoid
SIGISC low side
SPEEDUINO-A-36 Idle 2 (3-wire idle)
RX-7 knock sensor
KS
RX-7 knock sensor
GNDKnock shield/return
0V sensor
RX-7 leading coil
LEAD
RX-7 leading coil
GNDCoil ground
TRGLeading trigger
GND
SPEEDUINO-A-33 Ignition 3
RX-7 MAP sensor
MAP
RX-7 MAP sensor
GNDMAP sensor ground
SIGMAP signal
VCCMAP 5V supply
0V sensor
SPEEDUINO-A-11 MAP sensor (0-5V)
MAP 5V supply
RX-7 O2 sensor
O2
RX-7 O2 sensor
SIGO2 signal
SPEEDUINO-A-21 O2 sensor
Main relay
RLY
Main relay
COIL-Relay coil negative (ECU low-side driver)
COIL+Relay coil positive (ignition-switched +12V)
INRelay contact input (battery + via main fuse)
OUTRelay contact output (switched +12V bus)
SPEEDUINO-A-16 Proto area 3 (fuel pump)
Relay coil positive (ignition-switched +12V)
F1
SP-14V
RX-7 TPS
TPS
RX-7 TPS
GNDTPS sensor ground
SIGTPS signal
VCCTPS 5V supply
0V sensor
SPEEDUINO-A-22 TPS input
TPS 5V supply
RX-7 trailing coil
TRAIL1
RX-7 trailing coil
GNDCoil ground
TRGTrailing trigger
GND
SPEEDUINO-A-7 Ignition 1
RX-7 trailing coil
TRAIL2
RX-7 trailing coil
GNDCoil ground
TRGTrailing trigger
GND
SPEEDUINO-A-34 Ignition 2
SP-0V · 10 pins
SP-GND · 7 pins
SP-5V1 · 4 pins
◯New feed: NEW-IGN
SP-14V · 2 pins
Main fuse (size to the load)F1
Press enter or space to select a node. You can then use the arrow keys to move the node around. Press delete to remove it and escape to cancel.
Press enter or space to select an edge. You can then press delete to remove it or escape to cancel.