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27AF - P1411

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