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General Information: DTC Detecting Condition

DTC DETECTING CONDITION

Item Detecting Condition Possible Cause
DTC Strategy
  • Checking Data status receiving from PCM/ECM
  1. Poor connection
  2. Power supply circuit in Smartkey Unit
  3. Signal noise in PCM/ECM data communication line
  4. Smartkey Unit (SMK IMMO Unit)
  5. PCM/ECM
Enable Conditions
  • Data that SMK unit received from PCM/ECM is error after IGN OFF to IGN ON
Threshold value
  • Received data error from PCM/ECM
Diagnostic Time
  • PCM/ECM detects data errors for 5 times
Diagnostic Time
  • Immediately after receiving normal data
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