ECM LOCATION
ECM is located near left kick panel.
ECM Terminal Identification Courtesy Isuzu Motor Co. Scheme 36
| Pin No. | Wire Color | Main Connection |
|---|---|---|
| 1 | Light/Green Red | Power |
| 2 | Black/Green | Injector Ground |
| 3 | Black/Yellow | DLC |
| 4 | Blue/Yellow | Idle Input (WOT Switch) |
| 5 | Black/Green | AC Input |
| 6 | Not Used | Not Used |
| 7 | Green/Blue | CKP Sensor Signal |
| 8 | Light Green/Yellow | Pressure Regulator Control |
| 9 | Green/White | Air Management VSV |
| 10 | Light Green | EGR Duty Solenoid |
| 11 | Not Used | Not Used |
| 12 | White/Black | Injector No. 2 |
| 13 | Violet/White | Injector No. 1 |
| 14 | Light Green/Black | Power |
| 15 | Not Used | Not Used |
| 16 | Not Used | Not Used |
| 17 | Black/Pink | Trans Input |
| 18 | Not Used | Not Used |
| 19 | Not Used | Not Used |
| 20 | White | CKP Sensor Reference |
| 21 | White/Green | EGR VSV |
| 22 | Green | MIL |
| 23 | Green/White | EVAP VSV |
| 24 | White/Blue | Injector No. 4 |
| 25 | White/Red | Injector No. 3 |
| 26 | Black/Green | Injector Ground |
ECM 26-PIN TERMINAL IDENTIFICATION
| Pin No. | Wire Color | Main Connection |
|---|---|---|
| 1 | Blue | Power Signal |
| 2 | Black/Red | Ground (Power, Ignition) |
| 3 | Green/Orange | MAP Sensor Reference |
| 4 | Red/White | Power (Backup) |
| 5 | White/Green | Vehicle Speed Sensor |
| 6 | Shield | Oxygen Sensor |
| 7 | Green/Blue | ECT Sensor Ground |
| 8 | Brown/White | ECT Sensor Input |
| 9 | Blue/White | MAP Sensor Input |
| 10 | 0 | Not Used |
| 11 | Black | Ground (Power) |
| 12 | Not Used | Not Used |
| 13 | Black/Red | Ground (Power, Ignition) |
| 14 | Red | Airflow Sensor (Power) |
| 15 | Green/Red | WOT Input (WOT Switch) |
| 16 | Yellow/Black | Starter Switch |
| 17 | Shield | Airflow Sensor |
| 18 | Blue/Red | MAP Sensor Ground |
| 19 | Violet | Airflow Sensor Ground |
| 20 | Red | Oxygen Sensor Input |
| 21 | White | Airflow Sensor Input |
| 22 | Black | Ground (Power) |
ECM 22-PIN TERMINAL IDENTIFICATION
| CAUTION | Perform all voltage measurements with ECM harness connector installed. Use a high-impedance voltmeter (10,000 ohm/volt minimum). Verify battery voltage is greater than 11 volts. |