Mitsubishi OBDII DataLogging Project. Supports All 1996+ Mitsubishi Vehicles.
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USDM Rom / wiring only Possible fault codes Yellow Tabs IC sprayer system Optional Red Tabs wiring changes for ECU swap Evo 8 RalliArt JDM/USDM
Evo7 JDM
1 No. 1 Injector each injector is 2 - 3 Ω plus resistor pack is 5.8 - 6.2 Ω 2 No. 3 Injector 3 Fuel Pressure Solenoid 4 Idle Speed Control (ISC) Motor Coil (A1) 5 ISC Motor Coil (B1) 6 EGR Solenoid 7 8 A/C compressor relay 9 Evaporate Emission Purge Solenoid 10 Ignition Power Transistor (for cyl 1&4) 11 Turbo Wastegate Solenoid 12 12V Switched Power Supply 13 Chassis Ground 14 No. 2 Injector 15 No. 4 Injector 16 17 ISC Motor Coil (A2) 18 ISC Motor Coil (B2) 19 Volume Air Flow Sensor Reset Signal 20 21 Radiator Fan Motor Relay (PWM Output) 22 Fuel Pump Relay 2 23 Ignition Power Transistor (for cyl 2&3) 24 A/C load signal 25 12V Switched Power Supply 26 Chassis Ground
No. 1 Injector each injector is 2 - 3 Ω plus resistor pack is 5.8 - 6.2 Ω No. 3 Injector Fuel Pressure Solenoid Valve Idle Speed Control (ISC) Motor Coil (A1) ISC Motor Coil (B1) EGR Solenoid Valve
No.1 injector each injector is 2 - 3 Ω plus resistor pack is 5.8 - 6.2 Ω No.3 injector Fuel pressure control valve Idle Speed Control (ISC) Motor Coil (A1) ISC Motor Coil (B1) Secondary air control solenoid valve
No.1 injector each injector is 2 - 3 Ω plus resistor pack is 5.8 - 6.2 Ω No.3 injector Fuel pressure control valve Idle Speed Control (ISC) Motor Coil (A1) ISC Motor Coil (B1) Secondary air control solenoid valve
Fuel pump relay 1 Purge Control Solenoid Valve Ignition Power Transistor (for cyl 1&4) Wastegate Solenoid Valve 12V Switched Power Supply Chassis Ground No. 2 Injector No. 4 Injector
Fuel pump relay 1
Fuel pump relay 1
Ignition Power Transistor (for cyl 1&4) Turbo Wastegate Solenoid 12V Switched Power Supply Chassis Ground No.2 injector No.4 injector
Ignition Power Transistor (for cyl 1&4) Turbo Wastegate Solenoid 12V Switched Power Supply Chassis Ground No.2 injector No.4 injector
ISC Motor Coil (A2) ISC Motor Coil (B2) Volume Air Flow Sensor Reset Signal
ISC Motor Coil (A2) ISC Motor Coil (B2) Volume Air Flow Sensor Reset Signal Radiator fan motor relay (Hi) Coolant temp. above 105C Radiator fan motor relay (Lo) Coolant temp. 90-100C A/C compressor relay Ignition Power Transistor (for cyl 2&3)
ISC Motor Coil (A2) ISC Motor Coil (B2) Volume Air Flow Sensor Reset Signal Radiator fan motor relay (Hi) Coolant temp. above 105C Radiator fan motor relay (Lo) Coolant temp. 90-100C A/C compressor relay Ignition Power Transistor (for cyl 2&3)
12V Switched Power Supply Chassis Ground
12V Switched Power Supply Chassis Ground
Alternator G terminal
Alternator G terminal
Alternator FR terminal
Check Engine Light (Service Engine Soon) Power Steering Pressure Switch (Input) Engine control relay Fuel pump relay No.2 (Additional pressure for higher loads) Sensor Ground (IAT, Cam and Crank Angle Sensors) Alternator FR terminal
Check Engine Light (Service Engine Soon) Power Steering Pressure Switch (Input) Engine control relay Fuel pump relay No.2 (Additional pressure for higher loads) Exhaust temperature warning lamp Alternator FR terminal
Radiator Fan Motor Relay (PWM Output) A/C compressor relay Ignition Power Transistor (for cyl 2&3) A/C load signal 12V Switched Power Supply Chassis Ground
Connector 60/C119 Condensor Fan Relay (Hi) Coolant temp. above 105C Generator G Terminal Condensor Fan Relay (Lo) Coolant temp. 90-100C Intercooler Sprayer activation light Check Engine Light (Service Engine Soon) Power Steering Pressure Switch (Input) Engine control relay Fuel Pump Relay 3 (Additional pressure for higher loads) Sensor Ground (IAT, Cam and Crank Angle Sensors) Alternator FR terminal Clutch Position Switch (Input) Intercooler Sprayer switch (Auto) A/C pressure switch Fuel Tank Level (Input) USDM Connector 61/C117 Imobilizer ECU (Anti-Theft)
Condensor Fan Relay (Hi) Coolant temp. above 105C Generator G Terminal Condensor Fan Relay (Lo) Coolant temp. 90-100C Intercooler Sprayer activation light Check Engine Light (Service Engine Soon) Power Steering Oil Pressure Switch Engine control relay Fuel Pump Relay 3
Imobilizer ECU (Anti-Theft)
Secondary Air System solenoid O2 Sensor Heater (rear) EVAP Vent Solenoid Valve USDM / IC spray relay JDM Diagnostic OBDII Pin 1 IC spray relay USDM Tachometer signal
Secondary Air Control Solenoid Valve O2 Sensor Heater (rear) IC spray relay JDM Diagnostic OBDII Pin 1
Diagnostic OBDII Pin 1
Diagnostic OBDII Pin 1
Tachometer signal
Tachometer signal
Tachometer signal
O2 Sensor Heater (front) Fuel Tank Differential Pressure Sensor USDM Diagnostic OBDII Pin 7 - ISO K Line
O2 Sensor Heater (front)
O2 Sensor Heater (front)
Diagnostic OBDII Pin 7 - ISO K Line
Diagnostic OBDII Pin 7 - K Line
Diagnostic OBDII Pin 7 - K Line
Starter Signal Intake Air Temp Sensor Signal
Starter Signal Intake Air Temp Sensor Signal
Connector 62/ C115 Starter Signal Intake Air Temp Sensor Signal Manifold Differential Pressure Sensor USDM Sub Fuel Level Sensor USDM O2 Sensor (rear) O2 Sensor (front) Fuel Temperature Sensor USDM Knock Sensor (Detonation Sensor) ECU Boot Init signal Backup Power Supply (12v Constant Power) 5V Sensor Power Supply (TPS, MDP, Baro, Fuel Tank Press Sensor) Ignition switch-IG Engine coolant temperature sensor Throttle Position Sensor Signal Barometric Pressure Sensor Signal Vehicle Speed Sensor Signal AYC/ACD signal Camshaft Position Sensor Signal Crankshaft Position Sensor Signal Volume Air Flow Sensor Signal Intercooler Sprayer switch (Manual) Sensor Ground (O2 Sensors, Coolant Temp, TPS, MDP, Fuel Tank Press Sensor)
Starter Signal Intake Air Temp Sensor Signal
High temperature sensor O2 Sensor (rear) O2 Sensor (front)
O2 Sensor (front)
Knock Sensor (Detonation Sensor) ECU Boot Init signal Backup Power Supply (12v Constant Power) 5V Sensor Power Supply
Knock Sensor (Detonation Sensor) ECU Init signal Backup Power Supply (12v Constant Power) 5V Sensor Power Supply
Ignition switch-IG1 Engine coolant temperature sensor Throttle Position Sensor Signal Barometric Pressure Sensor Signal Vehicle Speed Sensor Signal AYC/ACD signal Camshaft Position Sensor Signal Crankshaft Position Sensor Signal Volume Air Flow Sensor Signal Intercooler Sprayer switch (Manual) Ground for sensors
Ignition switch-IG Engine coolant temperature sensor Throttle Position Sensor Signal Barometric Pressure Sensor Signal Vehicle Speed Sensor Signal Idle position switch Camshaft Position Sensor Signal Crankshaft Position Sensor Signal Volume Air Flow Sensor Signal Body earth Ground for sensors
Recap For Evo4/5/6 to Evo7/8 Ecu wiring conversion: Connect cable 8 to pin 22 (Fuel pump relay swaps with AC control relay) *not req. for Evo7 ecus I checked Connect cable 22 to pin 8 (AC control relay swaps with Fuel pump relay) *not req. for Evo7 ecus I checked Disconnect pin 87 AYC/ACD signal Connect Cable 20 to pin 32 (Rad. fan hi to Condensor fan hi) Connect Cable 21 to pin 34 (Rad. fan lo to Condensor fan lo) Connect cable 6 Secondary air system to pin 53 Disconnect pin 91 or rewire for IC sprayer manual operation Evo 4 only: Disconnect pin 40 and ground cable or connect to pin 92 sensor ground *definitely required Evo 4 only: Disconnect pin 33 if alternator is not charging battery *not required for any Evo4's I tried
O2 Sensor (front) High temp sensor Ground Knock Sensor (Detonation Sensor) Backup Power Supply (12v Constant Power) 5V Sensor Power Supply Ignition switch-IG Engine coolant temperature sensor Throttle Position Sensor Signal Barometric Pressure Sensor Signal Vehicle Speed Sensor Signal Idle position switch Camshaft Position Sensor Signal Crankshaft Position Sensor Signal Volume Air Flow Sensor Signal Body earth Ground for sensors
