ECU / loom pinout
JZS147 Aristo 2JZ-GTE ECU pinout
Real-life connector overview
TSRM wire color codes
First letter = basic wire color. Second code = stripe color. Example: L-Y means blue wire with yellow stripe.
BBlack
BRBrown
GGreen
GRGray
LBlue
LGLight Green
OOrange
PPink
RRed
VViolet
WWhite
YYellow
Source ECU / loom
Compact overview only. Blank gaps are real connector spaces. Click a connector to show the larger detailed view below. Use the view-side button to mirror the connectors between ECU side and connector/loom side.
Combined connector
Main 80-pin ECU plug
B2 — Combined ECU plug left half
Part of one combined 80-pin ECU plug. Numbering runs across B1+B2 from top-right to left.
B1 — Combined ECU plug right half
NCO- is pin #1, SLT- is pin #12, E01 is pin #80 when grouped with B2.
B3 — Right ECU plug
Standalone 40-pin plug: top-right is pin 1, second row right is pin 11, bottom-left is pin 40.
Detailed connector view
Source connectors one by one
B2 — Combined ECU plug left half
Part of one combined 80-pin ECU plug. Numbering runs across B1+B2 from top-right to left.
Pin list for B2 — Combined ECU plug left half
Labels, signal names and notes for the selected connector.
| Pin | Label / signal | I/O | Function / description | Wire / req. | Links |
|---|---|---|---|---|---|
|
#20
cell 1,1
|
#10 | output |
Cylinder 1 injector driver ECU-controlled low-side injector output. Injector should have switched ignition power on one side and this ECU pin on the other side. |
— |
— |
|
#19
cell 1,2
|
#20 | output |
Cylinder 2 injector driver ECU-controlled low-side injector output. Injector should have switched ignition power on one side and this ECU pin on the other side. |
— |
— |
|
#18
cell 1,3
|
#30 | output |
Cylinder 3 injector driver ECU-controlled low-side injector output. Injector should have switched ignition power on one side and this ECU pin on the other side. |
— |
— |
|
#17
cell 1,4
|
#40 | output |
Cylinder 4 injector driver ECU-controlled low-side injector output. Injector should have switched ignition power on one side and this ECU pin on the other side. |
— |
— |
|
#16
cell 1,5
|
#50 | output |
Cylinder 5 injector driver ECU-controlled low-side injector output. Injector should have switched ignition power on one side and this ECU pin on the other side. |
— |
— |
|
#15
cell 1,6
|
#60 | output |
Cylinder 6 injector driver ECU-controlled low-side injector output. Injector should have switched ignition power on one side and this ECU pin on the other side. |
— |
— |
|
#14
cell 1,7
|
SLU- | output |
Automatic Transmission Lock Up Automatic Transmission Lock Up |
— |
— |
|
#13
cell 1,8
|
SLN- | output |
Automatic Transmission Accumulator Automatic Transmission Accumulator |
— |
— |
|
#12
cell 1,9
|
SLT- | output |
Automatic Transmission Line Pressure Automatic Transmission Line Pressure |
— |
— |
|
•
cell 1,10
|
Empty / unused | — | — |
— |
— |
|
#40
cell 2,1
|
VSV1 | signal |
VSV (AIR CONTROL) Intake Air Bypass Valve Vacuum |
— |
— |
|
#39
cell 2,2
|
VSV2 | signal |
VSV (FPU) VSV (FPU). |
— |
— |
|
#38
cell 2,3
|
VSV3 | output |
Exhaust Bypass Valve Vacuum Exhaust Bypass Valve Vacuum |
— |
— |
|
#37
cell 2,4
|
No label | — | — |
— |
— |
|
#36
cell 2,5
|
No label | — | — |
— |
— |
|
#35
cell 2,6
|
ISCV1 | — | — |
— |
— |
|
#34
cell 2,7
|
ISCV2 | — | — |
— |
— |
|
#33
cell 2,8
|
ISCV3 | — | — |
— |
— |
|
#32
cell 2,9
|
ISCV4 | — | — |
— |
— |
|
#31
cell 2,10
|
SLT+ | output |
Automatic Transmission Line Pressure Automatic Transmission Line Pressure |
— |
— |
|
#60
cell 3,1
|
PMC | output |
Pressure Modulation Control Pressure Modulation Control |
— |
— |
|
#59
cell 3,2
|
No label | — | — |
— |
— |
|
#58
cell 3,3
|
IGF | signal |
Igniter verification signal Igniter Verification Signal |
— |
— |
|
#57
cell 3,4
|
IGT1 | — |
Ignition trigger cylinder 1 Ignition trigger output from the ECU to the igniter/coil channel for cylinder 1. |
— |
— |
|
#56
cell 3,5
|
IGT2 | Output |
Ignition trigger cylinder 2 Ignition trigger output from the ECU to the igniter/coil channel for cylinder 2. |
— |
— |
|
#55
cell 3,6
|
IGT3 | output |
Ignition Trigger Cyl 3 & Cyl 4 Ignition Trigger Cyl 3 & Cyl 4 |
— |
— |
|
#54
cell 3,7
|
IGT4 | — | — |
— |
— |
|
#53
cell 3,8
|
IGT5 | — | — |
— |
— |
|
#52
cell 3,9
|
IGT6 | — | — |
— |
— |
|
#51
cell 3,10
|
No label | — | — |
— |
— |
|
#80
cell 4,1
|
EO1 | — | — |
— |
— |
|
#79
cell 4,2
|
EO2 | — | — |
— |
— |
|
#78
cell 4,3
|
No label | — | — |
— |
— |
|
#77
cell 4,4
|
STA | input |
STARTER SWITCH Starter switch |
— |
— |
|
#76
cell 4,5
|
NSW | input |
Neutral / park switch signal Park/neutral starter-interlock signal. Automatic ECUs use it to know whether the shifter is in P or N; manual setups often tie it into the STA circuit depending on conversion wiring. |
— |
— |
|
#75
cell 4,6
|
No label | — | — |
— |
— |
|
#74
cell 4,7
|
EVAP | — | — |
— |
— |
|
#73
cell 4,8
|
No label | — | — |
— |
— |
|
#72
cell 4,9
|
No label | — | — |
— |
— |
|
#71
cell 4,10
|
HT | Output |
Oxygen sensor heater Low-side control for the heated oxygen sensor heater. The heater helps the oxygen sensor reach operating temperature quickly. |
— |
— |
B1 — Combined ECU plug right half
NCO- is pin #1, SLT- is pin #12, E01 is pin #80 when grouped with B2.
Pin list for B1 — Combined ECU plug right half
Labels, signal names and notes for the selected connector.
| Pin | Label / signal | I/O | Function / description | Wire / req. | Links |
|---|---|---|---|---|---|
|
#10
cell 1,1
|
S1 | output |
Automatic Transmission No.1 Shift Automatic Transmission No.1 Shift |
— |
— |
|
#9
cell 1,2
|
S2 | output |
Automatic Transmission No.2 Shift Automatic Transmission No.2 Shift |
— |
— |
|
#8
cell 1,3
|
No label | — | — |
— |
— |
|
#7
cell 1,4
|
NE- | Input |
Crankshaft position sensor negative Crank sensor negative/reference signal. |
— |
— |
|
#6
cell 1,5
|
G1- | — | — |
— |
— |
|
#5
cell 1,6
|
G2- | — | — |
— |
— |
|
#4
cell 1,7
|
E11 | ground |
ECU ground ECU ground |
— |
— |
|
#3
cell 1,8
|
SP2- | input |
Speed Sensor Speed Sensor |
— |
— |
|
#2
cell 1,9
|
No label | — | — |
— |
— |
|
#1
cell 1,10
|
NCO- | input |
Automatic Transmission Over Drive Automatic Transmission Over Drive |
— |
— |
|
#30
cell 2,1
|
No label | — | — |
— |
— |
|
#29
cell 2,2
|
VF1 | input |
Check connector VF signal Check connector VF signal |
— |
— |
|
#28
cell 2,3
|
No label | — | — |
— |
— |
|
#27
cell 2,4
|
NE | signal |
DISTRIBUTOR Distributor / CPS NE signal |
— |
— |
|
#26
cell 2,5
|
G1 | signal |
DISTRIBUTOR Distributor / CPS signal G1 |
— |
— |
|
#25
cell 2,6
|
G2 | signal |
DISTRIBUTOR Intake Camshaft Position Sensor |
— |
— |
|
#24
cell 2,7
|
OIL | input |
Automatic Transmission Oil Automatic Transmission Oil |
— |
— |
|
#23
cell 2,8
|
SP2+ | input |
Speed Sensor Speed Sensor |
— |
— |
|
#22
cell 2,9
|
No label | — | — |
— |
— |
|
#21
cell 2,10
|
NCO+ | input |
Automatic Transmission Over Drive Automatic Transmission Over Drive |
— |
— |
|
#50
cell 3,1
|
KNK1 | input |
No.1 knock sensor (front) Front knock-sensor signal. The ECU uses it to detect knock and adjust ignition timing to protect the engine. |
— |
— |
|
#49
cell 3,2
|
KNK2 | input |
No.2 knock sensor (rear) Rear knock-sensor signal. The ECU uses it to detect knock and adjust ignition timing to protect the engine. |
— |
— |
|
#48
cell 3,3
|
OX | input |
Oxygen sensor signal OXYGEN SENSOR. |
— |
— |
|
#47
cell 3,4
|
No label | — | — |
— |
— |
|
#46
cell 3,5
|
No label | — | — |
— |
— |
|
#45
cell 3,6
|
THA | input |
Intake air temperature sensor Air temperature sensor |
— |
— |
|
#44
cell 3,7
|
THW | input |
Engine coolant temperature sensor WATER TEMP. SENSOR. |
— |
— |
|
#43
cell 3,8
|
VTA1 | Input |
Throttle position sensor Analogue throttle-position signal representing how open or closed the engine throttle is. |
— |
— |
|
#42
cell 3,9
|
VTA2 | Input |
Traction-control throttle position sensor Analogue signal for the traction-control/sub-throttle position. |
— |
— |
|
#41
cell 3,10
|
VCC | input |
Sensor reference voltage Sensor reference voltage |
— |
— |
|
#70
cell 4,1
|
No label | — | — |
— |
— |
|
#69
cell 4,2
|
E1 | ground |
COMPUTER GROUND Computer ground |
— |
— |
|
#68
cell 4,3
|
No label | — | — |
— |
— |
|
#67
cell 4,4
|
No label | — | — |
— |
— |
|
#66
cell 4,5
|
No label | — | — |
— |
— |
|
#65
cell 4,6
|
E2 | ground |
SENSOR GROUND Sensor ground |
— |
— |
|
#64
cell 4,7
|
IDL1 | — | — |
— |
— |
|
#63
cell 4,8
|
IDL2 | — |
Traction-control throttle idle switch Idle-position switch for the traction-control throttle/sub-throttle circuit. |
— |
— |
|
#62
cell 4,9
|
PIM | input |
Pressure Intake Manifold (MAP Pressure Intake Manifold (MAP |
— |
— |
|
#61
cell 4,10
|
No label | — | — |
— |
— |
B3 — Right ECU plug
Standalone 40-pin plug: top-right is pin 1, second row right is pin 11, bottom-left is pin 40.
Pin list for B3 — Right ECU plug
Labels, signal names and notes for the selected connector.
| Pin | Label / signal | I/O | Function / description | Wire / req. | Links |
|---|---|---|---|---|---|
|
#10
cell 1,1
|
L | input |
Automatic Transmission 1st Gear Automatic Transmission 1st Gear |
— |
— |
|
#9
cell 1,2
|
2 | input |
Automatic Transmission 2nd Gear Automatic Transmission 2nd Gear |
— |
— |
|
#8
cell 1,3
|
No label | — | — |
— |
— |
|
#7
cell 1,4
|
R | input |
Automatic Transmission Reverse Gear Automatic Transmission Reverse Gear |
— |
— |
|
#6
cell 1,5
|
W | signal |
WARNING LIGHT Engine Warning Light (Check Engine |
— |
— |
|
#5
cell 1,6
|
EGW | output |
Exhaust gas temperature warning light Warning-light output for catalytic-converter/exhaust temperature warning. The ECU grounds the circuit to switch the light on. |
— |
— |
|
#4
cell 1,7
|
STP | output |
Stop light / brake signal Brake/stop-light input used by the ECU and related control systems to identify brake pedal operation. |
— |
— |
|
#3
cell 1,8
|
KD | — | — |
— |
— |
|
#2
cell 1,9
|
SP1 | — | — |
— |
— |
|
#1
cell 1,10
|
IG SW | power |
Ignition switch signal Ignition switch |
— |
— |
|
#20
cell 2,1
|
TE1 | input |
Diagnostic test mode 1 Check connector test terminal |
— |
— |
|
#19
cell 2,2
|
TE2 | — |
Diagnostic test mode 2 Ground this terminal to enable the second diagnostic test mode where diagnostic serial data is sent through VF-style output on supported ECUs. |
— |
— |
|
#18
cell 2,3
|
P | input |
Automatic Transmission Park Gear Automatic Transmission Park Gear |
— |
— |
|
#17
cell 2,4
|
TT | — | — |
— |
— |
|
#16
cell 2,5
|
TRI | — | — |
— |
— |
|
#15
cell 2,6
|
ELS | — | — |
— |
— |
|
#14
cell 2,7
|
No label | — | — |
— |
— |
|
#13
cell 2,8
|
No label | — | — |
— |
— |
|
#12
cell 2,9
|
OD1 | — | — |
— |
— |
|
#11
cell 2,10
|
AD | — | — |
— |
— |
|
#30
cell 3,1
|
TRO | — | — |
— |
— |
|
#29
cell 3,2
|
CCO | output |
Catalytic converter temperature sensor Catalytic converter temperature sensor input used for over-temperature warning. The sensor is normally installed after the catalytic converter. |
— |
— |
|
#28
cell 3,3
|
OD2 | — | — |
— |
— |
|
#27
cell 3,4
|
No label | — | — |
— |
— |
|
#26
cell 3,5
|
No label | — | — |
— |
— |
|
#25
cell 3,6
|
No label | — | — |
— |
— |
|
#24
cell 3,7
|
M-REL | power |
EFI MAIN RELAY (COIL) EFI Main Relay Trigger |
— |
— |
|
#23
cell 3,8
|
AC MG | output |
A/C magnetic clutch relay ECU output used to command the air-conditioning magnetic clutch relay; the ECU can disable A/C during heavy acceleration or unsuitable conditions. |
— |
— |
|
#22
cell 3,9
|
FPC | output |
Fuel Pump Control Fuel Pump Control |
— |
— |
|
#21
cell 3,10
|
DI | input |
Diagnostic Indication (Fuel Pump Diagnostic Indication (Fuel Pump |
— |
— |
|
#40
cell 4,1
|
VT01 | — | — |
— |
— |
|
#39
cell 4,2
|
VT02 | — | — |
— |
— |
|
#38
cell 4,3
|
NEO | output |
Slave Engine Speed Sensor Slave Engine Speed Sensor |
— |
— |
|
#37
cell 4,4
|
TR2 | — | — |
— |
— |
|
#36
cell 4,5
|
No label | — | — |
— |
— |
|
#35
cell 4,6
|
No label | — | — |
— |
— |
|
#34
cell 4,7
|
A/C | signal |
Air-conditioning request A/C magnet switch |
— |
— |
|
#33
cell 4,8
|
BATT | power |
Constant battery power Battery constant power |
— |
— |
|
#32
cell 4,9
|
+B1 | power |
EFI MAIN RELAY EFI main relay power |
— |
— |
|
#31
cell 4,10
|
+B | power |
Main EFI relay switched power Switched Battery Power |
— |
— |