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(1) Disconnect the scan tool and ETACS-ECU connector C-301, (2) Check the wiring harness between data link connector C-125 (3) Check the wiring harness between data link connector C-125 Q:Is the wiring harness between data link connector C-125 and ETACS-ECU connector C-301 in good condition? YES: Go to Step 3. NO: Repair the wiring harness between data link connector C-125 and ETACS-ECU connector C-301. STEP 3. Check the wiring harness between data link Disconnect the negative battery terminal. For details refer A digital multimeter should be used. For details refer to P. The test wiring harness should be used. For details refer (1) Disconnect the scan tool and ETACS-ECU connector C-301, ZC5010410000 Harness side: C-125 Test harness (2) Measure the resistance between data link connector terminal OK: 1 kiloohm or more CONTROLLER AREA NETWORK (CAN) 54D-27 DIAGNOSIS |