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DTC Diagnosis Procedure
1.CHECK ACTIVE GRILLE SHUTTER SIGNAL CIRCUIT
  1. Turn ignition switch OFF.
  2. Disconnect ECM harness connector.
  3. Disconnect active grille shutter harness connector.
  4. Check the continuity between ECM harness connector and active grille shutter harness connector.
    +Continuity
    ECMActive grille shutter
    ConnectorTerminalConnectorTerminal
    F5121E463Existed
  5. Also check harness for short to ground and short to power.
Is the inspection result normal?
INSPECTION END
Repair or replace error-detected parts.