DTC P0140-00: O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2) [08/2018 - ]: Contents
| DTC No. |
Detection Item |
DTC Detection Condition |
Warning Indicate |
Memory |
Fail-safe Operation |
Note |
| P014000 |
O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2) |
HO2S circuit no activity detected |
- Check engine light: ON
- Master warning light: OFF
- Charging system warning light: OFF
- Engine oil warning light: OFF
- Wrench warning indicator light: OFF
|
DTC stored |
Not applicable |
- Drive cycle: 2
- Monitor item: A/F sensor, HO2S
- Self test type: CMDTC self test
|
DETAILS ON DTCS (200 PIN TYPE)
| DTC DETECTION CONDITION |
HO2S circuit no activity detected |
| Determination conditions |
- With the estimated temperature of the HO2S element exceeding the specified value, a condition in which the HO2S signal voltage is less than the specified value continues for the specified period.
|
| Preconditions |
- Battery voltage: above 11 V*1
- The following DTCs are not detected:
- HO2S: P013700, P013800
- ECT sensor: P011700, P011800
- MAF sensor: P010100, P010200, P010300
*1: Value can be verified by displaying PIDs using Techstream |
| Drive cycle |
|
| Self test type |
|
| Sensor used |
|
| FAIL-SAFE OPERATION |
|
| VEHICLE STATUS WHEN DTCS ARE OUTPUT |
- Illuminates check engine light.
|
| TROUBLE AREA |
- HO2S signal line error
- HO2S connector or terminals malfunction
- ECM connector or terminals malfunction
- Open circuit / Short to ground in wiring harness between HO2S terminal E4-2 and ECM terminal A42-41
- HO2S loose
- HO2S malfunction
- Exhaust gas leakage from exhaust system (between A/F sensor and HO2S)
- Insufficient engine compression
- HO2S heater malfunction
- ECM malfunction
|
DETAILS ON DTCS (186 PIN TYPE)
| DTC DETECTION CONDITION |
HO2S circuit no activity detected |
| Determination conditions |
- With the estimated temperature of the HO2S element exceeding the specified value, a condition in which the HO2S signal voltage is less than the specified value continues for the specified period.
|
| Preconditions |
- Battery voltage: above 11 V*1
- The following DTCs are not detected:
- HO2S: P013700, P013800
- ECT sensor No. 1: P011700, P011800
- MAF sensor: P010100, P010200, P010300
*1: Value can be verified by displaying PIDs using Techstream |
| Drive cycle |
|
| Self test type |
|
| Sensor used |
|
| FAIL-SAFE OPERATION |
|
| VEHICLE STATUS WHEN DTCS ARE OUTPUT |
- Illuminates check engine light.
|
| TROUBLE AREA |
- HO2S signal line error
- HO2S connector or terminals malfunction
- ECM connector or terminals malfunction
- Open circuit / Short to ground in wiring harness between HO2S terminal E67-1 and ECM terminal A43-35
- HO2S loose
- HO2S malfunction
- Exhaust gas leakage from exhaust system (between A/F sensor and HO2S)
- Insufficient engine compression
- HO2S heater malfunction
- ECM malfunction
|