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Home >> Lexus >> 2009 >> LS 460L AWD >> Repair and Diagnosis >> Accessories & Equipment >> Warning Systems >> Park Assist/Monitoring >> Camera Check Mode >> DTC C1646/5C-72 Power Steering Control System Invalid; DTC C1646/5C-73 Power Steering Control System Invalid >> Inspection Procedure

Inspection Procedure

  1. CHECK DTC OUTPUT (USING TECHSTREAM) 
    1. Clear the DTCs (see DTC CHECK/CLEAR ).
    2. Check for DTCs (see DTC CHECK/CLEAR ).

      Result 

      DTC OUTPUT RESULT

      Result Proceed to
      C1646 reappears A
      No DTCs are output B

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

    A: Go to Next Step 

  2. CHECK DTC OUTPUT (USING MULTI-DISPLAY) 
    1. Enter the "Diagnosis Menu" from the multi-display (see DTC CHECK/CLEAR ).
    2. Check the code.

      Result 

      DTC OUTPUT RESULT

      Result Proceed to
      5C-72 reappears A
      5C-73 reappears B

    B: GO TO CAN COMMUNICATION SYSTEM  (See CAN COMMUNICATION SYSTEM )

    A: GO TO POWER STEERING SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING )