DTC P0128
OBD II DIAGNOSTIC CHART
| OBDII Summary Table - Model Year 2005 Test Group 5BMXV01.6R5R Model: Mini Cooper (MT and AT/CVT) - LEV Standard | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Component/System | Fault Code | Monitor Strategy Description | Primary Malfunction Criteria and Signal | Threshold Value | Specified Units | Secondary Parameters | Enable Value | Specified Units | Monitor Time Length Frequency of Checks | MIL Illumination |
| Thermostat | P0128 | Engine coolant temperature (TCO) vs substitute value of coolant temperature (TCO_SUB) | TCO < C_TCO_MIN_OBD_DIAG once TCO_SUB > C_TCO_TH_MIN or TCO not > C_TCO_TH_MIN - C_HYS_TCO_TH_MIN for C_T_TCO_TH_MIN secs once TCO_SUB > C_TCO_TH_MIN | C_TCO_MIN_OBD_DIAG = - 48°C C_TCO_TH_MIN = 90°C C_HYS_TCO_TH_MIN = 9.75°C C_T_TCO_TH_MIN = 30secs | °C, s | Substitute coolant temperature (TCO_SUB) After start time (T_AST) % of time in Fuel Cut (PUC) % of time below min air flow (LOAD_MIN_PERC_TH_DIAG) Percentage of time in idle (IS_PERC_TCO_PLAUS_DIAG) Deviation with air temperature at start Coolant temperature at start (TCO_ST) Air temperature at start (TIA_ST) |
> 90 > 180...300 < 40 <40 <45.0004 < 5.25 > -12 and < 65.25 -12 |
°C s % % % °C °C °C |
Substitute value of coolant temperature needs to reach >90°C (typically 5 to 25 mins depending on starting temperature and driving style), once per drive cycle | Two drive cycles |