P2059代码定义

Reductant Injection Air Pump Control Circuit/Open

P2059代码的含义

P2059 is an OBD-II generic code indicating that the Engine Control Module (ECM) detects that the reductant injection air pump control circuit has an open in the circuit.

What causes the P2059 code?

• The ECM controls the reductant injection air pump. The ECM can detect open circuits or high resistance in the control circuit and will turn on the Check Engine Light if it detects a fault.

• A broken wire in the control circuit from the ECM to the reductant injector air pump.

What are the symptoms of the P2059 code?

• 检查引擎灯将被照亮，并且在ECM内存中设置了代码作为故障。

• The exhaust emission may be richer than expected.

• 由于检查引擎灯正在打开，该车辆将失败任何排放测试。

机械师如何诊断P2059代码？

• Scans and documents the codes in the ECM; looks at the corresponding freeze frame data for failure

• 检查空气泵接线连接是否有松动或腐蚀连接的问题

• Checks the air pump for the proper resistance

• Follows the manufacturer pinpoint tests for the diagnosis and replacement of the reductant injector and air pump

Common mistakes when diagnosing the P2059 code?

• 在检查主要故障问题的冻结框架数据之前，请清除ECM存储器代码，以便可以重复并修复故障。

• Failing to clear the ECM codes after the codes are fixed so the ECM will enable the system to normal again.

P2059代码有多严重？

代码P2059是可能不会引起任何驱动器投诉的代码，但会戴上检查引擎的灯并导致车辆未能通过排放测试。

哪些维修可以修复P2059代码？

• Replacing the air pump

• 修理还原剂和气泵处腐蚀或松动连接的连接器销

• Replacing an ECMas directed from manufacturer pinpoint tests

Additional comments for consideration regarding the P2059 code

代码P2059是用于还原剂喷油器气泵的开路。这是仅由几个不同制造商使用的代码；含义可能与您的车辆不同于本文所暗示的。遵循您正在使用的车辆的精确测试，以确定您的车辆是否使用还原剂注射系统。在某些车辆中，此代码用于O2传感器问题。

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P2059