DTC Detection Logic
| DTC No. | CONSULT screen terms | DTC detecting condition | ||
|---|---|---|---|---|
| (Trouble diagnosis content) | Malfunction type | |||
| P2237 | 84 | O2 SENSOR B1 SEN 1 (O2 Sensor Positive Current Control Circuit/Open Bank 1 Sensor 1) |
SIG BELOW ALLOWABLE RANGE | The pump current connection of A/F sensor (cylinder bank 1) has an electrical malfunction or open circuit. There is a signal below the permissible limit value. |
| 85 | SIG ABOVE ALLOWABLE RANGE | The pump current connection of A/F sensor (cylinder bank 1) has an electrical malfunction or open circuit. There is a signal above the permissible limit value. | ||
| 86 | SIGNAL INVALID | The pump current connection of A/F sensor (cylinder bank 1) has an electrical malfunction or open circuit. There is an incorrect signal. | ||