Difference between revisions of "MSS60 Error: 27B0, P0491"
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(Created page with "__FORCETOC__ ==== '''27B0 - P0491''' ==== {| class = "diyTable ecuFault" |- |'''Information saved in''' |DME |- |'''Fault code''' |27B0 - P0491 |- |'''Fault text''' |Second...") |
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|Test condition: sls_obdh_mdf_max_intg_norm (after roughly 30s)<K_SLS_OBDH_MDF_MIN_DEF and | |Test condition: sls_obdh_mdf_max_intg_norm (after roughly 30s)<K_SLS_OBDH_MDF_MIN_DEF and | ||
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|sls_obdh_lam_asv_intg_norm < k_SLS_OBDH_MDF_2_MAG or | |sls_obdh_lam_asv_intg_norm < k_SLS_OBDH_MDF_2_MAG or | ||
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|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 | |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 | ||
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|Terminal condition: Engine running | |Terminal condition: Engine running | ||
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|Voltage condition: Battery voltage > 10.8 V (k_sls_obd_ub_min) | |Voltage condition: Battery voltage > 10.8 V (k_sls_obd_ub_min) | ||
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|1. Disconnect secondary air line | |1. Disconnect secondary air line | ||
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|2. Carry out test routine | |2. Carry out test routine | ||
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|3. If flow is too high, replace the ASV | |3. If flow is too high, replace the ASV | ||
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|4. Otherwise check Line 1 for obstructions and replace as indicated | |4. Otherwise check Line 1 for obstructions and replace as indicated | ||
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Latest 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 |