Details On DTCs
WARNING: This page is about a different variant/trim than selected.
DTC P2251:00 (PCM, VIN Y) DETECTION CONDITION AND POSSIBLE CAUSE
| DESCRIPTION |
Open circuit between A/F sensor terminal D and PCM terminal 1C |
| DETECTION CONDITION |
Determination conditions |
- The following conditions are met:
- A/F sensor element impedance is specified value or more
- A/F sensor terminal F voltage (B+ terminal) is less than specified value or unstable.
|
| Preconditions |
- Battery voltage: 11-18 V*1
- A/F sensor is activated.
- The following DTCs are not detected:
- A/F sensor terminal F voltage (B+ terminal) is less than specified value:
- A/F sensor heater: P0031:00, P0032:00
- A/F sensor terminal F voltage (B+ terminal) is unstable:
- Internal PCM malfunction: P064D:00
*1
: Standard can be verified by displaying PIDs using M-MDS |
| Drive cycle |
|
| Self test type |
- CMDTC self test, KOER self test
|
| Sensor used |
|
| FAIL-SAFE FUNCTION |
|
| VEHICLE STATUS WHEN DTCs ARE OUTPUT |
- Illuminates check engine light.
|
| POSSIBLE CAUSE |
- A/F sensor connector or terminals malfunction
- PCM connector or terminals malfunction
- Open circuit in wiring harness between A/F sensor terminal D and PCM terminal 1C
- A/F sensor malfunction
- PCM malfunction
|