LEMON Manuals: Even more car manuals for everyone
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 B2285: Steering Lock Position 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.

HINT

Check the connector connection to the terminal to make sure that there is no abnormally such as a loose connection, deformations etc

  1. CHECK FOR DTC 
    1. Clear the DTC (See DIAGNOSIS SYSTEM  )
    2. Check for DTC

      Result 

      RESULT REFERENCE

      Display (DTC output) Proceed to
      "DTC B2285" only A
      "DTC B2287" and/or "DTC 2785" B
      No DTC C

    B: GO TO DIAGNOSTIC TROUBLE CODE CHART (B2287 AND/OR B2785)  (See DIAGNOSTIC TROUBLE CODE CHART )

    C: USE SIMULATION METHOD TO CHECK  (See HOW TO PROCEED WITH TROUBLESHOOTING )

    A: Go to next Step 

  2. 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

      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))
      OFF Steering is locked (Engine switch off)      		 -

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

    NG: Go to step 3 

    OK: REPLACE POWER SOURCE CONTROL ECU 

  3. CHECK HARNESS AND CONNECTOR (POWER SOURCE CONTROL ECU - STEERING LOCK ECU) 
    1. Disconnect the J55 connector from the power source control ECU
    2. Disconnect the J29 connector from the steering lock ECU
    3. Measure the resistance according to the value (s) in the table below.

      Standard Resistance 

      RESISTANCE REFERENCE

      Tester Connection Condition Specified Condition
      J55-26 (SLP) - J29-4 (SLP1) Always Below 1 Ω
      J55-26 (SLP) or J29-4 (SLP1) - Body ground Always 10 kΩ or higher
      4. Fig 1: Identifying J55 And J29 Connector Terminal
      G05754448Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CONTROL ECU - STEERING LOCK ECU) 

    OK: Go to next Step 

  4. REPLACE POWER SOURCE CONTROL ECU 
    1. Replace power source control ECU.
  5. CHECK FOR DTC 
    1. Clear the DTC (See DIAGNOSIS SYSTEM  )
    2. Check for DTCs

      OK: DTC B2285 is not output. 

    NG: REPLACE STEERING LOCK ECU  (See DISASSEMBLY )

    OK: END (POWER SOURCE CONTROL ECU IS DEFECTIVE) 

scientia non olet · About LEMON Manuals