FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

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

-------------------------------------------------

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

------------------------

VERIFIED - FAULT FOUND

VERIFICATION FAILED - Fault-tracing information

-------------------------------------------------

Fault-tracing information

Attempt New Test - Checking the wiring

-------------------------------------------------