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Replace electronic control unit (M20 MTA)
 Remove
Important: Follow Easytronic
safety guidelines .
The electronic control unit may only be removed and reinstalled
once. If the electronic control unit is removed again, it must be
replaced.
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| 1. |
Remove battery support
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| 2. |
Remove the charge-air hose (1) from intercooler to connection
port on throttle valve housing
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| 3. |
Release 2x wiring harness plugs (1) and disconnect
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| 4. |
Detach wiring harness bracket
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| 5. |
Detach 2x control unit retaining clamps (3)
Note: If present.
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| 6. |
Unscrew 4x control unit bolts
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| 7. |
Screw in 4x long bolts of DT-48660
(1) hand-tight
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| 8. |
Attach extractor DT-48660 (2) to
control unit
Note: Check for proper
seating (5) in the notches of the control unit's plastic housing
(4)
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| 9. |
Release control module with DT-48660
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| 10. |
Detach extractor DT-48660
Note: After the control
module has been disconnected from the pins of the solenoid
valve
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| 11. |
Unscrew in 4x long bolts of DT-48660
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Important: Do not tilt or twist
the control unit during removal in order to prevent bending or
damage of the solenoid valve pins.
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| 12. |
Carefully remove control unit
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Install
| 13. |
Install control unit
| • |
Insert guide pins DT-48659 (1) in
removed control unit
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| • |
Screw guide pins into fastening threads of control unit to keep
control unit away from solenoid valve pins.
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| • |
Mount control unit over the guide pins
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| 14. |
Fasten control unit
| • |
Tighten 4x bolts in crosswise formation 10 Nm
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| 15. |
Attach wiring harness bracket
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| 16. |
Attach 2x control unit retaining clamps (3)
Note: If present.
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| 17. |
Connect and lock 2x wiring harness plug (1)
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| 18. |
Fit the charge-air hose from intercooler to connection port on
throttle valve housing
| • |
Tighten 2x clamp 3.5 Nm
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| 19. |
Install battery support
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| 20. |
Necessary Start-Up Routines for Easytronic 
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| 22. |
Program volatile memories
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