Inspection Procedure

HINT:

Before commencing troubleshooting, check if the main body ECU is wet. If it is, replace the main body ECU

1. CHECK WHETHER DTC OUTPUT RECURS 
   1. Clear the DTCs (see DTC CHECK / CLEAR )
   2. Check whether DTC B2277 recurs 30 seconds or more after the power switch is turned ON (IG)

      OK: No DTC is output. 

   NG: REPLACE MAIN BODY ECU 

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