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Home >> Lexus >> 2008 >> IS 250 RWD, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 24 (Theft Deterrent / Keyless Entry) >> SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function) >> DTC B2288: Steering Lock Signal Circuit Malfunction >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.
  1. PERFORM INITIALIZATION 
    1. Perform initialization (See INITIALIZATION )
  2. CHECK FOR DTC 
    1. Clear the DTC (See DIAGNOSIS SYSTEM  )
    2. Check if the trouble occurs again 18 to 22 seconds after the engine switch is turned on (IG)

      Result 

      RESULT REFERENCE

      Result Proceed to
      DTC B2288 is output A
      DTC B2285 is output B
      DTC is not output C

    B: GO TO OTHER FLOWCHART (DTC B2285)  (See DTC B2285 STEERING LOCK POSITION SIGNAL CIRCUIT MALFUNCTION  )

    C: END (INITIALIZATION WAS NOT COMPLETED) 

    A: Go to next Step 

  3. CHECK FOR DTC 
    1. Connect the Techstream to the DLC3
    2. Turn the engine switch on (IG)
    3. Check for Steering Lock System DTC

      OK: DTC is not output. 

    NG: GO TO DIAGNOSTIC TROUBLE CODE CHART (STEERING LOCK SYSTEM)  (See DIAGNOSTIC TROUBLE CODE CHART )

    OK: Go to next Step 

  4. CHECK STEERING LOCK 
    1. Check if the steering lock is released when turning the engine switch on (ACC)

      OK: The steering lock is released. 

    NG: GO TO STEERING LOCK SYSTEM (STEERING LOCK CAN NOT BE UNLOCKED)  (See PROBLEM SYMPTOMS TABLE )

    OK: Go to next Step 

  5. READ VALUE USING TECHSTREAM 
    1. Connect the Techstream to the DLC3
    2. Turn the engine switch on (IG)
    3. Check the Data List for proper functioning of the steering lock function

      HINT

      When using the Techstream with the engine switch off, turn on and off any of the door courtesy light switches repeatedly at 1 5 second intervals or less until communication between the Techstream and vehicle starts

      Power Source Control 

      ITEM RANGE REFERENCE

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Steering Unlock Switch Steering lock condition / ON or OFF ON Steering is unlocked (Engine switch on (ACC))
      Steering is locked (Engine switch off)
      -

      OK: "ON" (Steering is unlocked) and "OFF" (Steering is locked appear on the screen. 

    NG: REPLACE STEERING LOCK ECU  (See DISASSEMBLY )

    OK: REPLACE POWER SOURCE CONTROL ECU