MSS60 Error: 27AF, P1411

From Wiki-DIY
Jump to: navigation, search


27AF - P1411

Information saved in DME
Fault code 27AF - P1411
Fault text Secondary-air pump
Fault description Secondary Air Pump No Activity Detected
Condition for fault identification Test condition: sls_obdh_mdf_max_intg_norm (after 20s) < KL_SLS_OBDH_HFM_DIAG_MIN & > K_SLS_OBDH_SLP_DEF or
sls_obdh_mdf_max_intg_norm (after 20 sec.) < KL_SLS_OBDH_HFM_DIAG_MIN & < K_SLS_OBDH_SLP_DEF & exhaust lamda not high
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. Check wiring to secondary air pump
2. Check plugs and wiring harness on secondary air pump
3. If OK, remove secondary air pump relay, and connect the two terminals (30 and 87) in the socket with ignition on, if secondary air pump still does not start, it is defective, replace secondary air pump.
4. If secondary air pump
Fault effect and breakdown warning MIL is on after 2x engine cold start
Driver information Warning light: MIL
Service instruction None