- 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 B11/4 (Coolant temperature sensor).
Test 2.1: Check component B11/4 (Coolant temperature sensor) using actual value.
Test 2.2: Check signal lines on component B11/4 (Coolant temperature sensor).
