DTC P2123-00: App Sensor No. 1 System: High Input
P2123: 00 (PCM (H3T)) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
APP sensor No. 1 system: High input |
| Detection condition |
- The APP sensor No. 1 voltage is the standard or more.
|
| Fail-safe |
- Regulates the upper limit of the APP sensor output.
|
| Possible cause |
- Malfunction in wiring harness (including connector/terminal) between APP sensor and PCM (See CIRCUIT INSPECTION
.) (See CONNECTOR INSPECTION
.)
- APP sensor No. 1 malfunction (Refer to [ACCELERATOR PEDAL POSITION (APP) SENSOR INSPECTION
] in service information).
- PCM malfunction (Refer to [PCM REMOVAL/INSTALLATION
] in 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 |
APP sensor |