Electrical System - Test
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| 图 1 | g01844879 |
自动润滑系统接线图 | |
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| 图 2 | g01849833 |
自动润滑泵 (1) 自动润滑电磁阀 | |
底盘 ECM
当将发动机起动开关转到 ON 位置时，底盘 ECM 接通接通自动润滑电磁阀 (1) 10 ± 2 分钟。 底盘 ECM 保持自动润滑电磁阀 (1) 接通，直至自动润滑压力传感器检测到系统压力处于 15850 kPa (2300 psi)。 然后，自动润滑电磁阀 (1) 断电。
每隔 60 ± 12 分钟，底盘 ECM 接通一次自动润滑电磁阀 (1) ，该电磁阀将保持接通，直至自动润滑压力传感器检测到系统压力处于15850 kPa (2300 psi)。 然后，自动润滑电磁阀 (1) 断电。 此过程一直持续，直到将点火钥匙开关转到 OFF（断开）位置。
注: 如果自动润滑压力传感器在两分钟内未检测到正常压力，则将会发出警报，并且自动润滑电磁阀 (1) 将关闭。
随着自动润滑电磁阀 (1) 的通电，电磁阀发出"咔嗒声"。 此"咔嗒声"可以听到或此"咔嗒声"可以感觉到。 如果电磁阀在上述时间发出"咔嗒声"，则电气系统工作正常。
Caterpillar Information System:
Product Link - PL522/523 Electronic Service Tool Does Not Communicate with ECM
Product Link - PL522/523 Event Code List
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Product Link - PL522/523 Reports and Messages Not Available
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Product Link - PL522/523 Position Reports Not Available
Product Link - PL522/523 Reporting Interval Erratic
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Product Link - PL522/523 Diagnostics and Events Not Available