FAILURE DIAGNOSIS1-66 TNV DI Service ManualDTCs (Diagnostic Trouble Codes) General DescriptionContact Output Related FailuresRack actuator Relay(1) P1222/4: Failure A with Rack Actuator RelayDTC Detecting ConditionsMovement at Error occurrenceEstimation of Failure cause/Error condition• The connector may not be properly connected.• Wiring defect of the harness• The rack actuator relay wiring may be disconnected or short-circuited with GND.• The rack actuator relay may be faulty.• Inner wiring disconnection• The E-ECU internal circuitry may be faulty.DTC P1222/4 Failure A with Rack Actuator Relay1 - Precondition; 2 - Detecting condition(s); 3 - Flashing pattern of failure indicator Check points1. Key switch ON.2. Make an assessment logically as to followings.E-ECU detects the rack actuatorrelay turning ON during the command to turn OFF the rack actuator relay.3. One flash followed by seven flashes.ConnectorHarnessRack actuator RelayE-ECUError Mode [Stop Immediately]: The engine stops running.Run restricted? Yes: The rack actuator relay is turned OFF, and the rack position is forcibly set to theengine stop position.RecoveryConditionsNo.Remarks