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DTC Information: DTC Detecting Condition

DTC DETECTING CONDITIONS AND POSSIBLE CAUSES

Item Detecting Condition Possible cause
DTC Strategy
  • Signal Monitoring
  1. External noise
  2. Faulty steering wheel sensor
Enable Conditions
  • The STN is low more than ±20 degrees for 70msec.
  • When the steering wheel is turned more than 370±5 degrees, if center is not detected, ECU detects the failure
  • When the steering wheel angle is higher than 700 degrees ECU detects the failure
  • During straight driving, if the steering wheel angle is larger than 55±5 degree ECU detects the failure
  • When the curve is detected after driving straight, if there is no variation of the steering wheel angle for 3sec, ECU detect the failure
  • While the vehicle drive 60±5 degree ↔ -60±5 degree, if STN is not detected low, ECU detect the failure
  • While steering angle sensor wheel through center, if steering angle sensor is against specification three times, ECU detect the failure
Fail Safe
  • Inhibit the ESP/DBC control and allow the ABS/EBD control
  • The ESP/DBC warning lamp is activated
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