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Chery QQ Maintenance Manual Chassis System Abnormal Replace HECU Normal Abnormal Replace fuse or harness Normal
Replace ECU No Remove motor harness Check fuse and ABS ECU Connect motor harness switch Diagnose HECU with instrument Possible cause 2、DTC 00283,00285,00290,00287 Means no signal put out at 20km/h Hint: No sensor, sensor coil and harness short, too big or too small for clearance between sensor and tooth ring or bad tooth ring No sensor Sensor coil and harness short Too big or too small for clearance between sensor and tooth ring Bad tooth ring ABS ECU fault Faulty appears again? Yes Refer to intermittence malfunction
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