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DIAGNOSIS TSB Revision ACTIVE STABILITY CONTROL SYSTEM (ASC) 35C-33 STEP 6. Resistance measurement at A-05 ASC-ECU tool ASC check harness (MB991997) to the wiring (2) Measure the resistance between the wheel speed sensor circuit power supply terminal (signal terminal) No. 34 and OK: No continuity Q: Is the check result normal? YES : Go to Step 7. 8. STEP 7. Voltage measurement at A-05 ASC-ECU connector ASC check harness (MB991997) to the ASC-ECU-side (2) Turn the ignition switch to the ON position. circuit power supply terminal (signal terminal) No. 34 and OK: Terminal No.34 and the body ground: Battery positive voltage Terminal No.33 and the body ground: 1 V or less Q: Is the check result normal? YES : Go to Step 8. AC400817CF ASC-ECU MB991997 Check harness A-05 ASC-ECU AC400817CG ASC-ECU MB991997 Check harness A-05 ASC-ECU |