FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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BMW
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1994
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525i Touring Wagon (E34/2) L6-2494cc 2.5L DOHC (M50 TU)
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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Diagnostic Trouble Code Descriptions
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Engine Control System
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Without - BMW DIAGNOSTIC SYSTEM
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Detailed Descriptions
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1225 to 1226 - Knock Sensors
1225 to 1226 - Knock Sensors
KNOCK SENSOR CYL. 1-3
Explanation
This trouble code is stored in the case of a break or short at:
-
Wire from Digital Motor Electronic (
DME
) control unit Pin 70 to the knock sensor.
-
Defective knock sensor.