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
4. Check component M16/6 (Throttle valve actuator).
Test 4.1: Check component M16/6 (Throttle valve actuator) using actual value.
Test 4.2: Check component M16/6m1 (Actuator motor) by means of actuation.
Test 4.3: Check internal resistance of component M16/6m1 (Actuator motor).
Test 4.4: Check internal resistance of component M16/6 (Throttle valve actuator).
Test 4.5: Test voltage supply of the potentiometers of component M16/6 (Throttle valve actuator).
