Cooper Convertible (R57) L4-1.6L (N12) (2009)
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Main Relay (Computer/Fuel System): Service and Repair
12 63 520 - Replacing DME master relay (N12, N14)
Necessary preliminary tasks:
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Switch off ignition
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Open electronics box.
Remove DME master relay.
Notes on troubleshooting:
If the starter motor cranks the engine during the starting sequence but the engine fails to fire, then:
1. Check engine fuses
2. If the fuses have blown, replace them completely with the fuse holder
3. Find out why fuses have blown
Continue troubleshooting as per DIS instructions.
