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STEP 4. Check the wiring harness between ETACS-ECU Q:Is the wiring harness between ETACS-ECU connector C-317 (terminal 6) and the ignition switch (IG1) in good condition? YES: No action is necessary and testing is complete. NO: The wiring harness may be damaged or the connector (s) may have loose, corroded or damaged terminals, or STEP 5. Recheck for diagnostic trouble . (1) Erase the DTC. (2) Turn the ignition switch from "LOCK" (OFF) position to "ON" (3) Check if DTC is set. (4) Turn the ignition switch to the "LOCK" (OFF) position. Q:Is the DTC set? YES: Replace the ETACS-ECU. NO: The trouble can be an intermittent malfunction (Refer to GROUP 00, How to Cope with Intermittent Malfunction P. DATA LIST REFERENCE TABLE M15410600015USA0000010000 NOTE: Some items are not displayed on M.U.T.-III according to the information in the ECU. Item No. Scan tool MB991958 display Condition 1 CAN-H voltage 0-4 V 2 CAN-L voltage 1-5 V 10 Network cnfg C ABS/ASC target Programmed or Not program/SNA 11 Network cnfg C ABS/ASC current Programmed or Not program/SNA 12 Network cnfg C ENGINE target Programmed or Not program/SNA 13 Network cnfg C ENGINE current Programmed or Not program/SNA 14 Network cnfg C CVT/AT/AMT target Programmed or Not program/SNA 15 Network cnfg C CVT/AT/AMTcurrent Programmed or Not program/SNA 16 Network cnfg C PSM target Programmed or Not program/SNA 17 Network cnfg C PSM current Programmed or Not program/SNA 18 Network cnfg C ACD/AYC target Programmed or Not program/SNA 19 Network cnfg C ACD/AYC current Programmed or Not program/SNA 20 Network cnfg C 4WD target Programmed or Not program/SNA 21 Network cnfg C 4WD current Programmed or Not program/SNA 22 Network cnfg C ESM target Programmed or Not program/SNA 23 Network cnfg C ESM current Programmed or Not program/SNA 24 Network cnfg C SAS target Programmed or Not program/SNA ETACS 54Ad-51 DIAGNOSIS |