Signal Too Low

Signal too low

Status check




- Ignition on
- Read off the position of the reset button.
Compare the position of the reset button with the noted value.
- ON = Reset button depressed
- OFF= reset button unaffected.





Does the reset button position correspond to the noted value?

Yes - Checking components and wiring

No - Checking components and wiring

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Checking components and wiring

Hint: The voltage between the mode selector terminals #1, #2 and #7 and ground must be 10-12 V when the connector is disconnected and the ignition is on.

Check the signal cables between mode selector terminals #1, #2 and #7 and the combined instrument panel terminals #A3, #A5 and #A6. Check for a short-circuit to ground.
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
- To access or replace the trip computer control panel, see Replacing switches Replacing Switches
- 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.
Compare the position of the reset button with the noted value.
- ON = the reset button is pressed in
- OFF = the reset button is unaffected.





Does the reset button position correspond to the noted values?

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: The diagnostic trouble code (DTC) is stored if the reset button is pressed in for more than 25 seconds.

Hint: The voltage between the mode selector terminals #1, #2 and #7 and ground must be 10-12 V when the connector is disconnected and the ignition is on.

Check the signal cables between mode selector terminals #1, #2 and #7 and the combined instrument panel terminals #A3, #A5 and #A6. Check for an intermittent short-circuit to ground.
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
- To access or replace the trip computer control panel, see Replacing switches Replacing Switches
- 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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