DTC P2302-00: Ion Sensor No. 1 Circuit Problem: Notes

DTC P2302:00	Ion sensor No. 1 circuit problem
DETECTION CONDITION	After the engine is started, when the engine speed is 2, 000 rpm or less , the signal input to the PCM from ion sensor No. 1 is in error. Diagnostic support note This is a continuous monitor (other). The check engine light does not illuminate. FREEZE FRAME DATA (Mode 2) is not available. Snapshot data is available. DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION	Not applicable
POSSIBLE CAUSE	Cylinder No. 1 misfire Ignition coil/ion sensor No. 1 connector or terminals malfunction Short to ground or open circuit in ion sensor No. 1 power supply circuit Short to ground in wiring harness between ENGINE2 15 A fuse and ignition coil/ion sensor No. 1 terminal A ENGINE2 15 A fuse malfunction Open circuit in wiring harness between main relay terminal D and ignition coil/ion sensor No. 1 terminal A Open circuit in wiring harness between ignition coil/ion sensor No. 1 terminal D and body ground Short to ground in wiring harness between ignition coil/ion sensor No. 1 terminal C and PCM terminal 1BK PCM connector or terminals malfunction Short to power supply in wiring harness between ignition coil/ion sensor No. 1 terminal C and PCM terminal 1BK Open circuit in wiring harness between ignition coil/ion sensor No. 1 terminal C and PCM terminal 1BK Ion sensor No. 1 malfunction PCM malfunction