STEERING LOCK SYSTEM DIAGNOSIS SYSTEM


  1. DESCRIPTION


    1. Check the DLC3.


      1. Check the DLC3 Click here.

    2. Diagnostic System

      When troubleshooting a vehicle with a diagnostic system, the only difference from the usual troubleshooting procedure is connecting the intelligent tester to the vehicle and reading various data output from the vehicle steering lock ECU (steering lock actuator assembly).

      The steering lock ECU (steering lock actuator assembly) stores DTCs when the ECU detects a malfunction in itself or in its circuits.

      To check the DTCs, connect the intelligent tester to the DLC3 on the vehicle. The intelligent tester enables the DTCs to be cleared, the indicators to be activated, and the Data List to be checked.

    3. The diagnosis information of the steering lock ECU (steering lock actuator assembly) is transmitted to the intelligent tester via the certification ECU (smart key ECU assembly) as the steering lock ECU (steering lock actuator assembly) is not connected to CAN.

  2. WARNING FUNCTION OF POWER SWITCH INDICATOR


    1. A01NENRE12
      Text in Illustration
      *1 Indicator Light

      The steering lock ECU (steering lock actuator assembly) blinks the LED indicator of the power switch when any of the following problems occurs in the system:

      Detection Item Indicator Light Blink Pattern Indication Status Countermeasure
      Steering lock is still not released

      • Blinks green at 1-second intervals

      • Goes off 30 seconds after blinking starts

      		 The motor operates to release the steering lock, but the steering lock cannot be released (e.g. the lock bar is stuck in the steering column). Turn the power switch on (IG) while turning the steering wheel to the left or right.
      Malfunction in entry and start system

      • Blinks amber at 2-second intervals

      • Goes off 15 seconds after the power switch is turned off while blinking

      • There is a short in the devices activating the motor.

      • There is a problem in the steering lock ECU (steering lock actuator assembly) or power management control ECU.

      Troubleshoot by following "How to Proceed with Troubleshooting" Click here.

  3. WARNING FUNCTION OF COMBINATION METER


    1. The steering lock ECU (steering lock actuator assembly) displays a warning on the combination meter when any of the following problems occurs in the system:

      Detection Item Display Indication Status Countermeasure
      Steering lock is still not released

      "STEERING LOCK ACTIVE"


      • Goes off 30 seconds after blinking starts

      		 The motor operates to release the steering lock, but the steering lock cannot be released (e.g. the lock bar is stuck in the steering column). Turn the power switch on (IG) while turning the steering wheel left or right.
      Malfunction in entry and start system

      "CHECK STEERING LOCK SYSTEM"


      • Goes off 15 seconds after the power switch is turned off while blinking

      • There is a short in the devices activating the motor.

      • There is a problem in the steering lock ECU (steering lock actuator assembly) or power management control ECU.

      Troubleshoot by following "How to Proceed with Troubleshooting" Click here.