Signal Too Low
Signal too low
Checking the wiring
- Ignition on.
Click on the symbol for VCT2000 to read out the voltage from the fuel level sensor.
For information on voltage levels for different fuel tanks, see component specification.
Check the power cable for a short-circuit to ground.
Take readings between:
- Central electronic module (CEM) terminal #F5 (#5) and right-hand fuel level sensor connector terminal #2
- Central electronic module (CEM) terminal #F7 (#7) and right-hand fuel level sensor connector terminal #4.
Remedy as necessary.
Other information
- Connecting the breakout box Connecting the Breakout Box, Central Electronic Module (CEM)
- Component specification [1][2]Body Control Systems
- Checking wiring and terminals Checking Wiring and Terminals
Continue - Verification
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Verification
Verification
Hint: After carrying out the repair, check that the fault has been remedied.
- Ignition off
- Reinstall the connectors, components etc.
- Ignition on.
Read off the sensor signal by clicking the VCT2000 symbol.
Check that the value is between 0 and 5 volts.
Is the value OK?
Yes - VERIFIED
No - VERIFICATION FAILED
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VERIFIED - FAULT FOUND
VERIFICATION FAILED - Fault-tracing information
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Fault-tracing information
Attempt New Test - Checking the wiring
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