Difference between revisions of "MSS60 Error: 27B0, P0491"
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Revision as of 20:25, 3 February 2015
Contents
27B0 - P0491
| Information saved in | DME |
| Fault code | 27B0 - P0491 |
| Fault text | Secondary air system flow rate, bank 1 |
| Fault description | Secondary Air Injection System Insufficient Flow (Bank 1) |
| Condition for fault identification | Test condition: sls_obdh_mdf_max_intg_norm (after roughly 30s)<K_SLS_OBDH_MDF_MIN_DEF and |
| . | sls_obdh_lam_asv_intg_norm < k_SLS_OBDH_MDF_2_MAG or |
| . | sls_obdh_lam_asv_intg_norm < k_SLS_OBDH_ASV_LI_OPE and K_SLS_OBDH_MDF_MIN_DEF>K_SLS_OBDH_MDF_MAX_DEF |
| . | Terminal condition: Engine running |
| . | Voltage condition: Battery voltage > 10.8 V (k_sls_obd_ub_min) |
| Condition for fault memory entry | 30000 ms |
| Action in service | 1. Disconnect secondary air line |
| . | 2. Carry out test routine |
| . | 3. If flow is too high, replace the ASV |
| . | 4. Otherwise check Line 1 for obstructions and replace as indicated |
| Fault effect and breakdown warning | MIL is on after 2x engine cold start |
| Driver information | Warning light: MIL |
| Service instruction | None |
