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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|'''.'''
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|2. Carry out test routine
 
|2. Carry out test routine
 
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|-
|'''.'''
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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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|-
|'''.'''
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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 13:25, 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