How to Remove and Install or Replace the Engine Control Unit Opel Combo C

Remove

1. 1. When replacing the engine control unit • Establish communication with TECH2
2. 2. Open bonnet

Important. On vehicles as of model year 04 with ESP - every time the battery is disconnected, the steering angle sensor loses its basic setting. It must be recalibrated.

3. 3. Disconnect battery
4. 4. Loosen coolant compensation tank • Unclip coolant compensation tank
5. 5. Disconnect fuel filter wiring harness plug
6. 6. Detach engine control unit bracket • Disconnect 2 engine control unit wiring harness plugs (1) – Release wiring harness plug • Unscrew 2x nuts (arrows) • Unclip wiring harness

7. 7. Remove engine control unit • From bracket • Unscrew 4x nuts (arrows)

Install

8. 8. Fit engine control unit • To bracket • Tighten 4 new nuts 15 Nm
9. 9. Attach engine control unit bracket • Attach wiring harness • Tighten 2 nuts 15 Nm • Connect 2 engine control unit wiring harness plugs – Lock wiring harness plug
10. 10. Connect fuel filter wiring harness plug
11. 11. Fasten coolant compensation tank • Clip in coolant compensation tank
12. 12. Fill out sticker

Note. Fill out and affix service sticker.

13. 13. Connect battery
14. 14. Program volatile memory
15. 15. Close bonnet