Inspection Procedure

1. Clear the DTC (see DTC CHECK/CLEAR ).
2. Recheck for DTC (see DTC CHECK/CLEAR ).

OK: Electronically controlled brake system DTC is not output. 

NG: GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM  (See DIAGNOSTIC TROUBLE CODE TABLE )

OK: Go to Next Step 

1. Clear the DTC (see DTC CHECK/CLEAR  ).
2. Recheck for DTC (see DTC CHECK/CLEAR  ).

OK: DTC C1A50 is not output. 

NG: REPLACE ECM  (See REMOVAL )

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