2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 856

NO

The actual value is not o.k.Possible cause and remedy

- Signal wire

End of test

1.3. Check internal resistance of component B2/5b1 (Intake air temperature sensor).

Test sequence

- Switch off ignition.

- Detach coupling at component B2/5 (Hot film mass air flow sensor).

- Measure resistance with multimeter between pins (B2/5) 2 and (B2/5) 3

Specified value

- Resistor(0锟斤拷 C): [5100...5900]ohms

- Resistor(5锟斤拷 C): [4100...4800]ohms

- Resistor(10锟斤拷 C): [3300...3900]ohms

- Resistor(15锟斤拷 C): [2700...3200]ohms

- Resistor(20锟斤拷 C): [2350...2500]ohms

- Resistor(25锟斤拷 C): [1900...2100]ohms

- Resistor(30锟斤拷 C): [1600...1700]ohms

- Resistor(35锟斤拷 C): [1300...1500]ohms

- Resistor(40锟斤拷 C): [1100...1200]ohms

- Resistor(45锟斤拷 C): [920...1100]ohms

- Resistor(50锟斤拷 C): [800...900]ohms

Question

- Are the measurement values OK?

YES

The measurement values are OK.End of test

NO

The measurement values are not OK.Possible cause and remedy

- B2/5b1 (Intake air temperature sensor)

End of test

2. Check component B14 (Ambient temperature display temperature sensor).

Test 2.1: Check component B14 (Ambient temperature display temperature sensor).