Status displayed on SUZUKI scan tool | Detecting condition | Indicator / Warning light operation |
---|---|---|
CO | Open circuit | MIL light up |
CC0 | Short circuit to ground | |
CC 1 | Incoherence | |
D2 | Overheat | Does not light |
Check the connection and condition of the EGR valve connector.
Repair if necessary. |
Check the connection and condition of the ECM “C47” connector.
Repair if necessary. |
Check EGR valve for operation referring to
EGR Valve (Stepper Motor) Inspection:K9K
.
Replace the EGR valve if necessary. |
Check for 12 V on “C46-4” terminal of the EGR valve connector. |
Check the continuity and insulation of the following connections:
•
Between “C46-1” terminal of EGR valve connector and “C47-5” terminal of ECM connector.
Repair If necessary. If DTC P0403 is still detected, replace the EGR valve.
• Between “C46-3” terminal of EGR valve connector and “C47-8” terminal of ECM connector. |
If DTC P0403 is still detected, replace the ECM. |