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DIAGNOSIS TSB Revision ACTIVE SKID CONTROL SYSTEM (ASC) 35C-31 STEP 6. Connector check: A-05 ASC-ECU connector, A-03 YES : Go to Step 7. STEP 7. Wiring harness check between A-05 ASC-ECU • Short circuit check of wheel speed sensor <FR> circuit Q: Is the check result normal? YES : Replace the wheel speed sensor <FR>. (Refer to .) Then go to Step 13. NO : Repair the wiring harness. Then go to Step 13. STEP 8. Voltage measurement at A-05 ASC-ECU connector check harness (Special tool: MB991997) to the (2) Turn the ignition switch to the ON position. circuit power supply terminal (signal terminal) No. 34 and OK: System voltage Q: Is the check result normal? YES : Go to Step 9. STEP 9. Wiring harness check between A-05 ASC-ECU • Open circuit check of wheel speed sensor <FR> circuit Q: Is the check result normal? YES : Go to Step 10. AC400817CG ASC-ECU MB991997 Check harness A-05 ASC-ECU |