DTC P1498
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 |
| Air intake system leak - Block 3 | P1498 | Comparison of modelled mass air flow at cylinder and mass air flow at throttle | Modelled MAF difference adaption exceeds threshold relative to throttle opening (DIF_AR_RED/AR_RED_TPS) | > 1.3...13.5 | N/A | Engine running (LV_SYN_ENG) Engine speed stable (ABS N-N_AR_RED_MMV) High pass filtered manifold pressure (MAP_SEG_GRD_ERR) High pass filtered upstream manifold pressure (MAP_UP_SEG_GRD_ERR) Throttle stable (TPS_MAF_GRD) Throttle position (TPS) Manifold pressure (MAP) Engine speed (N_32) |
1 < 50 <10000 in 10revs <10000 in 0rev <0.9008°TPS in 10revs <89.98 >15.0002 > 704 |
N/A rpm N/A, rev N/A, rev °TPS, rev % kPa rpm |
0.24 second, 0.030 second | One drive cycle |