DTC P0203-00: Fuel Injector No. 3 System: Circuit Malfunction
WARNING: This page is about a different variant/trim than selected.
P0203-00: (PCM - VIN Y) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Fuel injector No. 3 system: Circuit malfunction |
| Detection condition |
- An input signal from the fuel injector is missing continuously for the specified number of times even though the PCM controls fuel injector No. 3.
Precondition
- Battery voltage: 10.5 V or more
- Fuel injection control: except during fuel cut
|
| Fail-safe |
|
| Possible cause |
- Malfunction in wiring harness (including connector/terminal) between fuel injector No. 3 and PCM (see CIRCUIT INSPECTION
.) (see CLEARING DTC
.)
- Fuel injector No. 3 malfunction (Refer to FUEL INJECTOR INSPECTION (VIN Y)
in the service information.)
- PCM malfunction (Refer to applicable PCM REMOVAL/INSTALLATION (VIN Y)
in the service information.)
|
| Repeatability verification procedure |
- Clear the DTC recorded in the memory. (see CLEARING DTC
.)
- Perform the KOEO or KOER self test. (See DTC INSPECTION
.)
|
 Courtesy of MAZDA MOTORS CORP.
|
| 1 |
PCM |
| 2 |
Fuel injector No. 3 |