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Inspection Procedure

CHECK FOR DTC
1. Check for DTC (see DTC CHECK/CLEAR ).
2. Clear the DTC (see DTC CHECK/CLEAR ).
3. Recheck for DTC (see DTC CHECK/CLEAR ).
  OK:
  
  DTC C1A01 is not output.
  
  NG: REPLACE DRIVING SUPPORT ECU (See DRIVING SUPPORT ECU )
  
  OK: USE SIMULATION METHOD TO CHECK (See HOW TO PROCEED WITH TROUBLESHOOTING )