1A
Electronic Control System Wiring Circuit Diagram
1. A/C pressure sensor (if equipped with A/C) 16. Fuel injector No.4 33. Radiator fan relay No.2
2. VSS 17. ECM 34. Radiator fan relay No.3
3. CKP sensor 18. Stop (brake) lamp switch 35. CMP sensor
4. Fuel pressure sensor 19. Stop (brake) lamp 36. Fuel flow actuator
5. Fuel temperature sensor 20. Combination meter 37. Boost pressure control solenoid valve
6. Knock sensor 21. Tachometer 38. MAF and IAT sensor
7. Boost pressure sensor 22. Injection warning light (gravity 1 fault) 39. Additional heater relay No.1
8. EGR valve 23. Red stop warning light (gravity 2 fault) 40. Additional heater relay No.2
8-1. EGR valve motor 24. Malfunction indicator lamp (MIL) 41. Additional heater relay No.3
8-2. EGR valve position sensor 25. Heater blower motor 42. Additional heater plug
9. ECT sensor 26. Heater control lever assembly 43. Main relay
10. Data link connector 27. A/C evaporator thermister sensor (if equipped with A/C) 44. Pre-heating unit
11. Immobilizer control module 28. Ignition switch 45. Glow plug
12. APP sensor 29. A/C relay (if equipped with A/C) 46. Battery
13. Fuel injector No.1 30. A/C compressor relay (if equipped with A/C) 47. Body ground
14. Fuel injector No.2 31. A/C compressor (if equipped with A/C) 48. Engine ground
15. Fuel injector No.3 32. Radiator fan relay No.1 49. Radiator cooling fan motor
Terminal Arrangement of ECM Coupler (Viewed from Harness Side)
Connector: E17
Terminal Circuit Terminal Circuit
1 17
2 Main power supply 18
3 APP sensor 1 signal 19 Engine revolution signal for combination meter
4 Power source for APP sensor 1 20
5 Ground for APP sensor 1 21 APP sensor 2 signal
6 Ground for ECM 22
7 Ground for ECM 23
8 Ground for ECM 24
9 25
10 26 CAN line (high)
11 Ignition switch signal 27 Ground for APP sensor 2
12 Radiator fan relay No.2 and No.3 output 28 Stop (brake) lamp switch
13 Radiator fan relay No.1 output 29
14 30
15 Power source for APP sensor 2 31 Serial communication line of data link connector 12 V
16 32 CAN line (low)
Connector: C47
Terminal Circuit Terminal Circuit
1 25 Fuel pressure sensor signal
2 26 Boost pressure sensor signal
3 Boost pressure control solenoid valve output 27 Signal for potentiometer in EGR valve
4 28 MAF sensor signal
5 EGR valve output (+) 29
6 30
7 Fuel flow actuator output 31 Ground for ECT sensor
8 EGR valve output (–) 32 Ground for fuel temperature sensor
9 Ground of shield wire for knock sensor 33 Ground for CKP sensor
10 34 Ground for CMP sensor
11 35 Ground for fuel pressure sensor
12 Knock sensor signal 36 Ground for boost pressure sensor
13 Ground for knock sensor 37 Ground for potentiometer in EGR valve
14 38 Ground for MAF and IAT sensor
15 Power source for fuel pressure sensor 39
16 Power source for boost pressure sensor 40
17 Power source for potentiometer in EGR valve 41 Fuel injector No.2 output (low side)
18 Power source for MAF sensor 42 Fuel injector No.2 output (high side)
19 IAT sensor signal 43 Fuel injector No.4 output (low side)
20 44 Fuel injector No.4 output (high side)
21 ECT sensor signal 45 Fuel injector No.3 output (low side)
22 Fuel temperature sensor signal 46 Fuel injector No.3 output (high side)
23 CKP sensor signal 47 Fuel injector No.1 output (low side)
24 CMP sensor signal 48 Fuel injector No.1 output (high side)
Connector: C48
Terminal Circuit Terminal Circuit
1 17
2 Immobilizer control module input 18 Pre-heating unit output
3 Power source for A/C pressure sensor 19
4 20 Red stop warning light (gravity 2 fault)
5 21 A/C compressor relay output
6 22
7 23 VSS signal
8 24 Main relay output
9 A/C pressure sensor signal 25 Malfunction indicator lamp
10 Pre-heating unit diagnosis input 26
11 A/C relay signal 27 Ground for A/C pressure sensor
12 28
13 29 Main power supply
14 Injection warning light (gravity 1 fault) 30 Main power supply
15 Additional heater relay No.1 output 31
16 Additional heater relay No.2 output 32