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Engine Control Unit, Remove and Install
Important: When
returning a replaced control unit to Opel, do not clear the fault
memory.
Note: The security
code must be reset using TECH 2 when replacing or interchanging the
engine control module (before removal).
 Remove
| 2. |
Read out control unit data with TECH 2
| • |
Connect TECH 2 with diagnostic plug
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| • |
Establish communication with TECH2 
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| • |
End communication with Tech 2
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| • |
Disconnect TECH 2 from diagnostic plug
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| 3. |
Disconnect battery
Note: The battery must
not be disconnected until all consumers (e.g. fan) have ceased
operation. Minimum wait time is 30 sec.
| • |
Detach ground connection from ground terminal
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| 4. |
Disconnect wiring harness plug (2)
| • |
Unclip wiring harness from bracket
|
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| 5. |
Disconnect engine control unit wiring harness plug (3)
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| 6. |
Detach engine control unit from bracket
| • |
Release 2x bracket in direction of arrow
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Install
| 7. |
Attach engine control unit to bracket
| • |
Clip engine control unit into bracket
|
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| 8. |
Connect engine control unit wiring harness plugs
| • |
Apply and lock wiring harness plug
|
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| 9. |
Fix wiring harness plug
| • |
Clip wiring harness into bracket
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| 10. |
Connect ground cable to battery
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| 11. |
Upload control unit data with TECH 2
Note: When replacing
the engine control unit, observe the service plan .
| • |
Connect TECH 2 with diagnostic plug
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| • |
Establish communication with TECH2
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| • |
Disconnect TECH 2 from diagnostic plug
|
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| 12. |
Program volatile memories
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