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Geely CK (2008). Manual part - 72
285 3 Abnormal ABS operation Likely Causes [Description] It is in close connection with the driver status and the road conditions and is difficult to diagnose. However, if there is no DTC memory, the following inspections can be performed. Improperly installed sensor Sensor wire harness faulty Damaged sensor Damaged ring gear Foreign objects in the sensor Damaged wheel bearing Damaged ABS HCU Damaged ABS ECU Is the sensor installed correctly Check the sensor output volt- age
Check each sensor Check each sensor ring gear Check the wheel bearing clearance
Check the ABS ECU socket and the middle connector No Installed it correctly Abn. Abn. Abn. Abn. Ok Yes No Ok Ok Replace Replace Repair the connector Use scan meter for HCU di- agnosis
Yes
Does the fault reoccur? Yes No Refer to "Occasional Problem Service Key Points" Replace the ABS HCU Remove the ABS ECU connector, check whether the resistances among the following terminals are within specification? Standard: 1.0~1.3K ¸ Shake the sensor wire harness and connector while measuring them LF: 1-2 RF: 19-20 LR: 5-6 RR: 22-23 Abn. Replace or Repair
Yes Ok Repair the wire har- ness or connecto Replace the ABS HCU Abn. |