STEP 2. Diagnostic trouble code check
(1) Turn the power supply mode of the engine switch to OFF.
(2) Turn the power supply mode of the engine switch to ON.
(3) Check if the DTC is set.
(4) Turn the power supply mode of the engine switch to OFF.
Is the DTC C1900 set?
Register the ID codes (Refer to ). Then go to Step 3. The procedure is complete.