RRE's 4G Eclipse V-6 
Engine Control Unit Wiring Diagram

 

 

Items in red descriptions are for vehicles with automatic transmissions only.
 

Pin# Connection   Pin# Connection
1 Flash EP Regulated Power Supply?
(Pin 11 OBD2 Connector)
10 -
2 Evaporative Emissions Control Solenoid 11 -
3 - 12 -
4 Ground 13 -
5 Fan Control Relay (High Speed) 14 Vehicle Speed Sensor
6 Fuel Pump Relay 15 K-Line (Pin 7 OBD2 Connector)
7 Ground 16 -
8 - 17 CAN High (Pin 6 OBD2 Connector)
9 - 18 CAN Low (Pin 14 OBD2 Connector)
 
Pin# Connection   Pin# Connection
21 5 V Sensor Power Supply 33 -
22 - 34 Body Ground
23 Fuel Tank Differential Pressure Sensor 35 -
24 - 36 Switch Switch (down)
25 Body Ground 37 -
26 Accelerator Pedal Input Signal (Main) 38 Body Ground
27 Accelerator Pedal Input Signal  (Sub) 39 Select Switch
28 - 40 -
29 Body Ground 41 Fuel Tank Temperature Sensor
30 5 V Power Supply To Accelerator Pedal (Main) 42 Back Up 12V Power Supply To ECU
31 - 43 Ignition Switch Input
32 Shift Switch (up)    
 
Pin# Connection   Pin# Connection
51 12V Power Supply 67 Transmission Range Switch: P
52 MFI Relay (Power Supply) 68 -
53 Reduction Solenoid Valve 69  -
54 Torque Converter Clutch Solenoid Valve 70 Solenoid Valve Power Supply
55 Overdrive Solenoid Valve 71 -
56 Low-Reverse Solenoid Valve 72 -
57 Solenoid Valve Power Supply 73 Transmission Range Switch: D
58 - 74 Transmission Fluid Temperature Sensor
59 - 75 -
60 - 76 -
61 Transmission Range Switch: R 77 Transmission Range Switch: N
62 - 78 Power Steering Switch
63 - 79 Left Bank (Front) Heated O2 Sensor offset voltage
64 12V Power Supply 80 Right Bank (Rear) Heated O2 Sensor offset voltage
65 Underdrive Solenoid Valve 81 A/C Compressor Clutch Relay
66 Second Solenoid Valve 82 A/T Control Relay
    83 Starter Signal
 
Pin# Connection   Pin# Connection
91 Left Bank Heated O2 Sensor 103 Crankshaft Position Sensor
92 Right Bank Heated O2 Sensor 104 Camshaft Position Sensor
93 Engine Coolant Temp Sensor 105 Left Bank Heated O2 Sensor (rear) Offset Voltage
94 Power Supply Voltage Applied To TPS 106 Right Bank Heated O2 Sensor (rear) Offset Voltage
95 - 107 Intake Air Temperature Sensor 
96 Left Bank Heated O2 Sensor (Rear) 108 Mass Air Flow Sensor
97 Right Bank Heated O2 Sensor (Rear) 109 Right Bank Oil Pressure Sensor
98 Throttle Position Sensor (Sub) 110 Left Bank Oil Pressure Sensor
99 Throttle Position Sensor (Main) 111 Input Shaft Speed Sensor
100 - 112 Output Shaft Speed Sensor
101 - 113 -
102 Manifold Absolute Pressure Sensor    
 
Pin# Connection   Pin# Connection
121 - 138 -
122 Power Supply Voltage Applied Throttle Actuator Control Motor 139 No 4 Injector
123 Throttle Actuator Control Motor Relay 140 No 3 Injector
124 EGR Stepper Motor Coil B2 141 -
125 Left Bank Heated O2 Sensor (Front) 142 EGR Stepper Motor Coil A1
126 Right Bank Heated O2 Sensor (Front) 143 Ignition Coil-No 5 (Ignition Power Transistor)
127 No 6 Injector 144 Ignition Coil-No 3 (Ignition Power Transistor)
128 Left Bank Engine Oil Control Valve 145 Variable Intake Air Solenoid
129 - 146 No 2 Injector
130 EGR Stepper Motor Coil B1 147 Throttle Actuator Control Motor
131 Generator FR Terminal 148 Ignition Coil-No 4 (Ignition Power Transistor)
132 Generator G Signal 149 Evaporative Emission Purge Solenoid
133 No 5 Injector 150 Ignition Coil-No 2 (Ignition Power Transistor)
134 Ignition Coil-No 6 (Ignition Power Transistor) 151 Ignition Coil-No 1 (Ignition Power Transistor)
135 Right Bank Engine Oil Control Valve 152 -
136 EGR Stepper Motor Coil A2 153 No 1 injector
137 -    


 

Contact Road///Race Engineering

13022 La Dana Ct.
Santa Fe Springs, Ca. 90670
Tel (562) 777-1522     Fax (562) 777-1562

Last updated 6/09mw