DTC P2311-00: Ion Sensor No. 4: Circuit Problem
WARNING: This page is about a different variant/trim than selected.
P2311:00 (PCM - VIN Y) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Ion sensor No. 4: circuit problem |
| Detection condition |
- After the engine is started, when the engine speed is standard or less, the signal input to the PCM from ion sensor No. 4 is in error.
|
| Fail-safe |
|
| Possible cause |
- Cylinder No. 4 misfire (See P0304-00:
.)
- Malfunction in wiring harness (including connector/terminal) between main relay and ignition coil/ion sensor No. 4 (see CIRCUIT INSPECTION
.) (see CONNECTOR INSPECTION
.)
- Malfunction in wiring harness (including connector/terminal) between ignition coil/ion sensor No. 4 and PCM (see CIRCUIT INSPECTION
.) (see CONNECTOR INSPECTION
.)
- ion sensor No. 4 malfunction (Refer to ION SENSOR 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 KOER self test. (See DTC INSPECTION
.)
|
 Courtesy of MAZDA MOTORS CORP.
|
| 1 |
Battery |
| 2 |
Main relay |
| 3 |
Ignition coil/ion sensor No. 4 |
| 4 |
PCM |