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1994
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318i (E36) L4-1796cc 1.8L DOHC (M42)
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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Manufacturer Code Charts
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Interior Lights
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Defect Code 20
Defect Code 20
*D* Defect code memory: Wire to interior light switch has short to plus
Explanation:
Wire from ZV module 4-pole connector pin 1 has short to plus.