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Home >> Lexus >> 2008 >> IS F >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Cruise Control >> Dynamic Radar Cruise Control System >> DTC P1630 Communication Error from VSC to ECM >> Inspection Procedure

Inspection Procedure

NOTE: When the ECM is replaced with a new one, initialization must be performed (See INSTALLATION  ).
  1. REPLACE SKID CONTROL ECU 
    1. Replace the skid control ECU (See SKID CONTROL ECU ).
  2. CHECK DTC 
    1. Clear the DTC (See DTC CHECK / CLEAR  ).
    2. Turn the cruise control main switch on.
    3. Drive the vehicle at the require speed (45 km/h (27 mph) or higher).
    4. Check if the same DTC is recorded (See DTC CHECK / CLEAR  ).

      Result 

      RESULT REFERENCE

      Result Proceed to
      DTC P1630 is not output A
      DTC P1630 is output B

    B: REPLACE ECM (for 2UR-GSE)  (See ECM )

    A: END