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Home >> Mercedes Benz >> 2007 >> C280 Base >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Mixture Formation -- Self-Diagnostic System -- 203 Chassis - 1 Of 2 >> Self-Diagnostic System >> Intake air temperature sensor ME-SFI - fault code description - AD07.61-P-4000-03L

Intake air temperature sensor ME-SFI - fault code description - AD07.61-P-4000-03L

    Intake air temperature sensor 
1A Fault code
USA ONLY Readout on generic scan tool)
P2006 (P0110)
1B Engines 112, 113 as of 1/01 P2006-[1] Short-circuit to positive (P0110)
  Fault code
USA ONLY Readout on generic scan tool)
P2006-[2] Short circuit to ground/line discontinuity (P0110)
2 Fault storage after expiry of test duration and fault
  Actuation of the engine diagnosis indicator lamp (EURO3/4) or CHECK ENGINE (MIL) malfunction indicator lamp USA ONLY following two successive driving cycles with faults
3 Checking frequency Continuous
4 Checked signal or status Limits for intake air temperature
5 Fault setting conditions   
  Lower limit value Fault if signal is less than 0.1 V (corresponds to approx. 300 kΩ and approx. -50°C).
  Upper limit value Fault if signal is greater than 4.93 V (corresponds to approx. 92 Ω and approx. +150°C).
  Checking duration approx. 1 second
6 IMPORTANT If a fault exists, vehicle continues operating with substitute value + 20°C. The system will then change back over to the signal from the intake air temperature sensor once the signal becomes plausible again.