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Home >> Hyundai >> 2009 >> Genesis 3.8 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Body Network System >> Multi Function Switch (MFSW) >> Troubleshooting >> B1553 Light Multifunction Switch Error >> DTC Detecting Condition
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B1553 Light Multifunction Switch Error: DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item Detecting Condition Possible Cause
DTC Strategy
  • Light switch input signal check
  • OFF & Tail input line short
  • OFF & H/L LOW input line short
  • OFF & Auto input line short
Enable Conditions
  • IG KEY ON.
  • Engine running (In case of Tail switch, enable conditions are BAT, Key In, ACC, IG KEY ON, engine running.
Threshold Value
  • OFF & Tail : the signal voltage of OFF switch and Tail switch is 0V at the same time.
  • OFF & H/L LOW: the signal voltage of OFF switch and H/H LOW is 0V at the same time.
  • OFF & Auto : the signal voltage o f OFF switch and Auto switch is 0V at the same time.
Diagnostic Time
  • Immediately
DTC Erasing Time
  • DTC is erased immediately after trouble fixed