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Symptom 6 Vehicle Jerks During ESP/TCS/ABS NLBR0202 1 CHECK ENGINE SPEED SIGNAL Conduct CONSULT-II ABS actuator and electric unit (control unit) “Data Monitor”. Is engine speed at idle 400 rpm or higher? Yes Normal. No GO TO 2. 2 CHECK ABS WARNING LAMP DISPLAY Make sure ABS warning lamp turns OFF approximately 2 sec. after ignition switch is turned on or when driving. OK or NG OK GO TO 3. NG Perform self-diagnosis. Refer to BR-112. 3 CHECK ECM SELF-DIAGNOSTIC RESULTS Perform ECM self-diagnosis. Are self-diagnosis items displayed? Yes Check the corresponding items. Refer to EC-20, EC-554, EC-938 or EC-1252 in “Engine No GO TO 4. 4 CHECK A/T SELF-DIAGNOSTIC RESULTS Perform A/T self-diagnosis. OK or NG OK GO TO 6. NG Check the corresponding items. Refer to AT-35. 5 SELF-DIAGNOSTIC RESULTS INSPECTION 1 Perform self-diagnosis of ABS actuator and electric unit (control unit). Are self-diagnosis items displayed? Yes Check the corresponding items, make repairs, and perform ABS actuator and electric No GO TO 7. 6 CHECK CONNECTOR 1. Disconnect ABS actuator and electric unit (control unit) E143 and the ECM connector, check terminals for deformation, disconnection, looseness, and so on. If there is an error, repair or replace connector. 2. Securely reconnect connector and perform self-diagnosis. OK or NG OK If connector terminal contact is loose, damaged, open or shorted, repair or replace con- NG GO TO 7. GI MA EM LC EC FE CL MT AT AX SU ST RS BT HA SC EL IDX TROUBLE DIAGNOSIS ESP/TCS/ABS Symptom 6 Vehicle Jerks During ESP/TCS/ABS Control BR-147 |