ECM Terminal Layout
ECM TERMINAL LAYOUT
| Terminal | Signal | Connected to |
|---|---|---|
| 1 | Front HO2S heater control | Front HO2S |
| 2 | Ignition coil control | Ignition coil 2 (cylinder #2, #4) |
| 3 | IG ground | Chassis |
| 4 | Rear HO2S heater control | Rear HO2S |
| 5 | Ignition coil control | Ignition coil 1 (cylinder #1, #3) |
| 6 | Injector 2 control | Injector 2 |
| 7 | Injector 3 control | Injector 3 |
| 8 | RPM signal | TCM |
| 9 | TPS signal output | TCM |
| 10 | Torque reduction signal | TCM |
| 12 | B+ | battery |
| 13 | IG1 | Ignition switch |
| 14 | Main relay control | Main relay |
| 15 | CKPS signal | CKPS |
| 16 | TPS signal | TPS |
| 17 | Sensor ground | TPS/CAS |
| 18 | Front HO2S signal | Front HO2S |
| 19 | KS signal | KS |
| 20 | KS ground | KS |
| 21 | Fuel gauge signal | Fuel gauge |
| 22 | MIL request signal | TCM |
| 25 | LDP valve control | LDP valve |
| 26 | IACV closing coil control | IACV |
| 27 | Injector 1 control | Injector 1 |
| 28 | LDP heater control | LDP heater |
| 29 | IACV opening coil control | IACV |
| 30 | LDP control | LDP |
| 31 | MIL control | MIL |
| 33 | Reference power 5V | TPS/CAS |
| 34 | CKPS signal | CKPS |
| 35 | Sensor ground 3 | Rear HO2S/ECTS |
| 36 | Sensor ground 2 | MAFS/Front HO2S |
| 37 | MAFS signal | MAFS |
| 39 | ECTS signal | ECTS |
| 42 | IATS signal | IATS |
| 44 | B+ | Main relay |
| 45 | B+ | Main relay |
| 46 | PSV control | PSV |
| 47 | Injector 4 control | Injector 4 |
| 50 | CAS signal | CAS |
| 51 | Control ground | Chassis |
| 53 | Power ground 3 | Chassis |
| 55 | Rear HO2S signal | Rear HO2S |
| 57 | DPS signal | DPS |
| 59 | Vehicle speed signal | Vehicle speed sensor |
| 61 | Power ground 2 | Chassis |
| 63 | B+ | Main relay |
| 68 | Cooling fan relay control | Cooling fan relay |
| 69 | A/C relay control | A/C relay |
| 70 | Fuel pump control | Fuel pump |
| 71 | K-line | DLC |
| 72 | Torque reduction signal | TCM |
| 74 | AT: P & N position signal, MT: ground signal | Inhibitor switch |
| 75 | A/C switch signal | A/C switch |
| 76 | Electric load | |
| 78 | AT/MT encoding signal | AT: open, MT: ground |
| 79 | CMPS signal | CMPS |
| 80 | Power ground 1 | Chassis |