MSS60 Error: 2739, P2430, P2432, P2433

Information saved in	DME
Fault code	2739 - P2433
Fault text	Air-mass sensor, secondary air, electrical diagnosis
Fault description	Secondary Air Injection System Air Flow/Pressure Sensor Circuit High (Bank 1)
Condition for fault identification	Test condition: Air mass > 70 kg/h (K_SL_ML_HFM_DIAG_MAX)
	Terminal condition: Engine running
	Voltage condition: None
Condition for fault memory entry	5 ms
Action in service	1. Check plug and wiring harness on Mini-HFM
	2. Replace Mini-HFM
Fault effect and breakdown warning	MIL on after engine runs 2x
Driver information	Warning light: MIL
Service instruction	None

Information saved in	DME
Fault code	2739 - P2432
Fault text	Air-mass sensor, secondary air, electrical diagnosis
Fault description	Secondary Air Injection System Air Flow/Pressure Sensor Circuit Low (Bank 1)
Condition for fault identification	Test condition: Air mass < -10kg/h (K_SL_ML_HFM_DIAG_MIN)
	Terminal condition: Engine running
	Voltage condition: None
Condition for fault memory entry	5 ms
Action in service	1. Check plug and wiring harness on Mini-HFM
	2. Replace Mini-HFM
Fault effect and breakdown warning	MIL on after engine runs 2x
Driver information	Warning light: MIL
Service instruction	None

Information saved in	DME
Fault code	2739 - P2430
Fault text	Air-mass sensor, secondary air, electrical diagnosis
Fault description	Secondary Air Injection System Air Flow/Pressure Sensor Circuit (Bank 1)
Condition for fault identification	Test condition: Air mass > 0.5 kg/h (K_SL_ML_HFM_OFFSET_MIN)
	Terminal condition: Engine off
	Voltage condition: None
Condition for fault memory entry	5 ms
Action in service	1. Check plug and wiring harness on Mini-HFM
	2. Replace Mini-HFM
Fault effect and breakdown warning	MIL on after engine runs 2x
Driver information	Warning light: MIL
Service instruction	None

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