1A
ECM Input / Output Circuit Diagram
1. CKP sensor 20. Power steering pressure switch (if equipped) 39. Ignition coil assembly (for No.1 and No.4 spark plugs)
2. CMP sensor 21. A/C switch (if equipped) 40. Ignition coil assembly (for No.2 and No.3 spark plugs)
3. VSS 22. A/C refrigerant pressure switch (if equipped) 41. Stop lamp switch
4. MAP sensor 23. Immobilizer control module (if equipped) 42. Stop lamp
5. Knock sensor 24. Data link connector 43. Lighting switch
6. TP sensor 25. Injector No.1 44. Clearance, tail and license plate lights
7. ECT sensor 26. Injector No.2 45. Rear defogger switch
8. IAT sensor 27. Injector No.3 46. Rear defogger
9. Heated oxygen sensor (if equipped) 28. Injector No.4 47. A/C compressor clutch (if equipped)
10. A/C compressor relay (if equipped) 29. IAC valve 48. Ignition switch
11. A/C evaporator temp. sensor (if equipped) 30. EVAP canister purge valve 49. Main relay
12. Combination meter 31. Fuel pump relay 50. CO adjusting register (if equipped)
13. Fuel level sensor 32. Fuel pump 51. Starting motor
14. TCM (A/T) 33. A/C condenser fan relay (if equipped) 52. 4WD controller
15. Transmission range switch (A/T) 34. A/C condenser fan motor (if equipped) 53. ABS control module (if equipped)
16. Heater blower fan relay 35. EGR valve (if equipped) 54. Engine ground
17. ABS control module (if equipped) and SDM (air bag control module) 36. Malfunction indicator lamp 55. Body ground
18. Heater blower motor 37. Vehicle equipped with immobilizer control system 56. M/T vehicle
19. Heater blower fan switch 38. Monitor connector 57. Right-hand steering vehicle
Terminal Arrangement of ECM Coupler
Connector: E115
Terminal Wire color Circuit Terminal Wire color Circuit
1 BLK Ground for ECM 16 LT GRN Throttle position (TP) sensor signal
2 BLK Ground for ECM 17 GRY/BLU EGR valve (stepper motor coil 3) output (if equipped with HO2S)
3 BLK Ground for ECM 18 GRY EGR valve (stepper motor coil 1) output (if equipped with HO2S)
4 BLU/RED EVAP canister purge valve output 19 BRN/BLK Ignition coil No.2 and No.3 output
5 BLU/ORN Power steering pressure switch signal (if equipped) 20 BRN/WHT Ignition coil No.1 and No.4 output
6 GRN/YEL IAC valve output 21 RED/GRN Fuel injector No.2 output
7 PNK/BLK Heater output of heated oxygen sensor (if equipped with EGR valve) 22 LT GRN/RED Output of 5 V power source for TP sensor, MAP sensor and CO adjusting resistor (if not equipped with EGR valve)
8 WHT/BLK Fuel injector No.4 output 23 GRN/RED CKP sensor signal (if not equipped with immobilizer control system)
9 RED/WHT Fuel injector No.1 output LT GRN/BLK Intake air temp. (IAT) sensor signal (if equipped with immobilizer control system)
10 BLK/BLU Ground for sensors 24
11 WHT CMP sensor signal (if not equipped with immobilizer control system) 25 RED Knock sensor signal
GRN/BLK Engine coolant temp. (ECT) sensor signal (if equipped with immobilizer control system) 26 GRN Manifold absolute pressure (MAP) sensor signal
12 27 BLK/WHT ECT sensor signal for combination meter
13 RED Oxygen signal of heated oxygen sensor (if equipped with EGR valve) 28 GRY/BLK EGR valve (stepper motor coil 4) output (if equipped with HO2S)
RED/BLU CO adjusting resistor signal (if not equipped with EGR valve) 29 GRY/RED EGR valve (stepper motor coil 2) output (if equipped with HO2S)
14 GRN/BLK Engine coolant temp. (ECT) sensor signal (if not equipped with immobilizer control system) 30 GRN ABS signal (if equipped)
WHT CMP sensor signal (if equipped with immobilizer control system) 31 WHT/GRN Fuel injector No.3 output
15 LT GRN/BLK Intake air temp. (IAT) sensor signal (if not equipped with immobilizer control system)  
GRN/RED CKP sensor signal (if equipped with immobilizer control system)
Connector: E114
Terminal Wire color Circuit Terminal Wire color Circuit
1 PNK/BLU
(left-hand steering vehicle)
A/C compressor relay output (if equipped) 13 WHT/BLU Diagnosis switch terminal
PNK
(right-hand steering vehicle)
14 WHT/RED A/T fluid temp. sensor signal (A/T)
2 15 PNK Test switch terminal
3 16 GRN/WHT A/C switch signal (if equipped)
4 17 RED/YEL Lighting switch signal
5 BLU/BLK Main power source 18 PNK/BLK A/C condenser fan relay output (if equipped)
6 BLU/BLK Main power source 19 WHT/GRN Fuel pump relay output
7 WHT Power source for ECM internal memory 20 BLK/RED
(A/T)
Starting motor signal
8 RED/GRN Duty output terminal BLK/YEL
(M/T)
9 21 GRN/WHT Stop lamp switch signal
10 BLU Main power supply relay output 22 YEL/GRN Vehicle speed sensor signal
11 BLK/WHT Ignition switch signal 23
12 RED/WHT Rear defogger switch signal 24
Connector: E113
Terminal Wire color Circuit Terminal Wire color Circuit
1 WHT/RED A/C evaporator outlet air temp. sensor signal (if equipped) 10
2 11 PNK/GRN Serial communication line of data link connector 12 V
3 12 YEL Engine torque signal (A/T)
4 BLK/YEL A/C compressor signal (A/T) 13 BLU/ORN Heater blower fan switch signal
5 BRN/ORN Torque reduction signal (A/T) 14 BLK/BLU Ground for A/C evaporator outlet air temp. sensor (if equipped)
6 GRN/YEL D-range idle-up signal (A/T) 15 BLK/RED Throttle opening signal output for A/T (A/T)
7 YEL/BLK Serial communication line of data link connector 5 V (if equipped with immobilizer control system) 16 BRN Engine revolution signal for tachometer
8 17 YEL/RED ECT sensor signal for A/T (A/T)
9 PPL/YEL Malfunction indicator lamp