P1185

Component B40 (Oil Sensor (Oil Level, Temperature and Quality)): Water in Engine Oil

Check Component B40 (Oil Sensor (Oil Level, Temperature and Quality))

Test 1 Check Actual Value B40 (Oil Sensor (Oil Level, Temperature and Quality))
Test 2 Test Voltage Supply of Component B40 (Oil Sensor (Oil Level, Temperature and Quality))


1 Check Actual Value B40 (Oil Sensor (Oil Level, Temperature and Quality))

Test requirement
- Ignition ON
- Engine OFF

Status of the relevant actual values:
- Oil level: Note! Communication with ECU required
- Oil quality: Note! Communication with ECU required
- Oil temperature: Note! Communication with ECU required

Specified values
- Oil level: [80...115] mm (The limit values correspond to the min./max. level at the dipstick.)
- Oil quality: [1.0...4.0]
- Oil temperature: 70 °C Temperature > [ ]when engine warm

Question
- Are the actual values o.k.?
Yes
The actual values are okay. ** End of Test **
No
At least one of the relevant actual values is not okay.
Possible cause and remedy
- Test voltage supply of component B40 (Oil sensor (oil level, temperature and quality)).
- Test wiring to component B40 (Oil sensor (oil level, temperature and quality)).
- Oil temperature
- Oil quality
- Oil level
- B40 (Oil sensor (oil level, temperature and quality))

** End of Test **


2 Test Voltage Supply of Component B40 (Oil Sensor (Oil Level, Temperature and Quality))

Test requirement
- At least one of the relevant actual values is not okay.

Test sequence
- Switch off ignition.
- Connect socket box.
- (E.16) 72 <--> 71 (E.15)
- Switch on ignition.

Specified value
- Voltage [4.7...5.3] V

Question
- Is the measured value okay?
Yes
The measured value is o.k.
Further possible causes of fault
- Test wiring to component B40 (Oil sensor (oil level, temperature and quality)).
- Oil temperature
- Oil quality
- Oil level
- B40 (Oil sensor (oil level, temperature and quality))
No
The measured value is not o.k.
Possible cause and remedy
- Test wiring to component B40 (Oil sensor (oil level, temperature and quality)).

** End of Test **