Signal Too High
Signal too high
Status check
If the fuel gauge displays an empty tank it indicates that the fault is permanent.
Does the fuel gauge display an empty tank?
Yes - Checking components and wiring
No - Checking components and wiring
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Checking components and wiring
Hint: If the cable and the combined instrument panel are fault free the voltage between terminals #A and #C on the fuel level sensor connector must be approximately 5 V.
Check the resistance of the fuel level sensor between terminals #A and #C in the fuel level sensor connector.
Check the connector. Check for contact resistance and oxidation.
Check the signal cable between the fuel level sensor terminal #A and combined instrument panel terminal #B17 (#17). Check for a short-circuit to supply voltage. Check for an open-circuit.
Remedy as necessary.
Other information:
- Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault
- To connect the breakout box, see Connecting the breakout box Connecting the Breakout Box, Driver Information Module (DIM)
- To access and replace the combined instrument panel, see Driver information module, removing/installing Removal and Replacement
- For information about signals, see Signal specification Signal Specification, Driver Information Module (DIM).
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.
Check that the fuel gauge is within its permitted range.
Is the fuel gauge within its permitted range?
Yes - VERIFIED
No - VERIFICATION FAILED
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VERIFIED - FAULT FOUND
VERIFICATION FAILED - Fault-tracing information
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Fault-tracing information
Information
Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.
Do you want to exit fault-tracing?
Yes - Exit fault-tracing
No - Attempt New Test
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Attempt New Test - Checking components and wiring
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Checking components and wiring
Hint: If the cable and the combined instrument panel are fault free the voltage between terminals #A and #C on the fuel level sensor connector must be approximately 5 V.
Check the fuel level sensor resistance between terminal #A and terminal #C in the fuel level sensor connector. Check the connector for contact resistance and oxidation.
Check the signal cable between fuel level sensor terminal #A and combined instrument panel terminal #B17 (#17). Check for an intermittent short-circuit to supply voltage. Check for an intermittent open-circuit.
Remedy as necessary.
Other information:
- Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults
- To connect the breakout box, see Connecting the breakout box Connecting the Breakout Box, Driver Information Module (DIM)
- To access and replace the combined instrument panel, see Driver information module, removing/installing Removal and Replacement
- For information about signals, see Signal specification Signal Specification, Driver Information Module (DIM).
Continue - Fault-tracing information
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Fault-tracing information
Information
Fault-tracing information
If the fault is intermittent, do not verify fault-tracing if the fault does not recur.
It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).
Do you want to view the information again?
Yes - Attempt New Test
No - FAULT FOUND
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Attempt New Test - Checking components and wiring
FAULT FOUND - DONE
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