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Home >> Lexus >> 2008 >> IS F >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Pre-Collision >> Pre-Collision System >> DTC B2065 Distance Control ECU Malfunction >> Inspection Procedure

Inspection Procedure

NOTE: When the seat belt control ECU is replaced with a new one, Initialization must be performed (See INITIALIZATION  ).
  1. CHECK DTC OUTPUT (DYNAMIC RADAR CRUISE CONTROL SYSTEM) 
    1. Clear the DTC s (See DTC CHECK / CLEAR ).
    2. Turn the cruise control main switch on
    3. Drive the vehicle at a speed of 45 km/h (27 mph) or more
    4. Recheck for DTC s

      OK: DTC P1617 is not output. 

    NG: GO TO DYNAMIC RADAR CRUISE CONTROL SYSTEM  (See DTC P1617 DISTANCE CONTROL ECU MALFUNCTION )

    OK: Go to next Step 

  2. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM) 
    1. Clear the DTC s (See DTC CHECK / CLEAR  )
    2. Recheck for DTC s.

      OK: DTC B2065 is not output. 

    NG: REPLACE SEAT BELT CONTROL ECU  (See SEAT BELT CONTROL ECU  )

    OK: CHECK FOR INTERMITTENT PROBLEMS (SYMPTOM SIMULATION)  (See HOW TO PROCEED WITH TROUBLESHOOTING )

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