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Home >> Hyundai >> 2012 >> Equus Ultimate >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Steering Column Switches >> Multi Function Switch Diagnosis >> DTC B1554: Turn Signal Multifunction Switch Error >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Turn switch input signal check
  1. OFF & turn left switch input line short
  2. OFF & turn right switch input line short
Enable Conditions
  • IG KEY ON.
  • Engine running
Threshold Value
  • OFF & turn right switch: the voltage of OFF switch and turn right switch is 0V at the same time.
  • OFF & turn left switch: the voltage of OFF switch and turn left switch is 0V at the same time.
Diagnostic Time
  • Immediately
DTC Erasing Time
  • DTC is erased immediately after trouble fixed
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