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NO: Replace the brake pad. (Refer to GROUP 35A - On- STEP 5. Voltage measurement at C-312 ETACS-ECU (1) Turn the ignition switch to the ON position. (2) Measure the voltage between the terminal No. 1 and the body OK: 12 volts (Battery voltage) Q:Is the check result normal? YES: Go to Step 7. NO: Go to Step 6. STEP 6. Connector check: C-312 ETACS-ECU connector, Q:Is the check result normal? YES: The short circuit between the C-312 ETACS-ECU connector terminal No. 1 and the A-09 brake fluid level NO: Repair the defective connector. STEP 7. Brake fluid level switch check Q:Is the check result normal? YES: Go to Step 8. NO: Replace the brake fluid level switch. STEP 8. Check whether the diagnostic trouble code is reset. Q:Is DTC 1009 set? YES: Replace the ASC-ECU. NO: The procedure is complete. DTC C123B: Prolonged operation of ASC M13506100049USA0000010000 If there is any problem in the CAN bus lines, an incorrect CIRCUIT OPERATION ACTIVE SKID CONTROL SYSTEM (ASC) 35C-115 DIAGNOSIS |