2010-02-19
The inspection method of replacement is to replace or exchange a part/component with the same performance characteristics to check whether the part/component is normal.
bookexcavating machinerySome sensors and solenoid valves used on the platform have the same performance characteristics. So, exchanging inspection methods can effectively identify whether a certain part/component or wire is normal.
Example: Abnormal pump oil delivery pressure sensor fault (fault code: 02)
Check:
1. Swap the positions of the two fuel sensor connectors
2. Attempt fault diagnosis again.
result:
If the oil delivery pressure of pump 2 is abnormal (fault code: 03), then the oil delivery pressure sensor of pump 1 is faulty.
If the oil delivery pressure of pump 1 is abnormal (fault code: 02), there is a fault in the wiring connected to the oil delivery pressure sensor of pump 2.
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