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EC-404 < DTC/CIRCUIT DIAGNOSIS > [VQ35DE] P1211 TCS CONTROL UNIT P1211 TCS CONTROL UNIT Description INFOID:0000000010095089 The malfunction information related to TCS is transferred via the CAN communication line from “ABS actuator and electric unit (control unit)” to ECM. Be sure to erase the malfunction information such as DTC not only for “ABS actuator and electric unit (control unit)” but also for ECM after TCS related repair. DTC Logic INFOID:0000000010095090 DTC DETECTION LOGIC Freeze frame data is not stored in the ECM for this self-diagnosis. DTC CONFIRMATION PROCEDURE 1. PRECONDITIONING TESTING CONDITION: Before performing the following procedure, confirm that battery voltage is more than 10.5 V at idle. >> GO TO 2. 2. PERFORM DTC CONFIRMATION PROCEDURE 1. Start engine and let it idle for at least 60 seconds. 2. Check 1st trip DTC. YES >> NO >> INSPECTION END Diagnosis Procedure INFOID:0000000010095091 Go to DTC No. Trouble diagnosis name DTC detecting condition Possible cause P1211 TCS control unit ECM receives malfunction information from • ABS actuator and electric unit (control unit) • TCS related parts |