DTC Detection Logic
P0053 A/F SENSOR 1 HEATER - DTC DESCRIPTION
| DTC | M.U.T.-III SE screen terms (Trouble diagnosis content) | DTC detection condition | ||
|---|---|---|---|---|
| P0053 | 00 | HO2S1 HTR B1 (HO2S heater resistance bank 1 sensor 1) |
Diagnosis condition | - |
| Signal (terminal) | A/F sensor 1 heater signal | |||
| Threshold | During engine running, weighted average of A/F sensor internal resistance is out of the normal range | |||
| Diagnosis delay time | - | |||