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DIAGNOSIS TSB Revision ACTIVE SKID CONTROL SYSTEM (ASC) 35C-219 TROUBLE SYMPTOM CHART M1355006900190 CAUTION • ABS may operate in the following conditions without hard braking: Low µ road surface, high-speed turn, and bumpy road surface. When asking the customers, confirm if they have • Even when the ASC operation display does not appear, the ASC operation noise (pump, motor, and others) may be generated. This occurs because the pump, motor, and others operate to accu- • During ABS operation, as the brake pedal is gradually drawn inward, the noise is generated. This occurs because the brake line pressure varies intermittently to prevent the wheel lock, and it is CAUTION During diagnosis, a DTC associated with other system may be set when the ignition switch is turned Trouble symptoms Inspection Reference The scan tool cannot communicate The scan tool cannot communicate − Refer to Troubleshooti . The scan tool cannot communicate 1 With the parking brake released, the brake warning light remains illuminated 2 The ABS warning light does not illuminate when ignition switch is turned to 3 The brake warning light does not illuminate when ignition switch is turned to 4 The ABS warning light remains illuminated even after the engine is started. 5 The ASC warning display remains illuminated even after the engine is 6 The ASC OFF display remains illuminated after the engine is started. 7 After the ASC OFF switch is pressed to turn "OFF," the skid control/TCL 8 Abnormality in brake operation 9 Skid control/TCL does not operate. 10 ASC-ECU power supply circuit system 11 ABS/skid control/TCL operates too frequently. 12 |