P2432

2739 - P2432

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