Faulty Signal

Faulty signal

Checking components and connections




- Ignition on
- Activate reading off the position of the throttle
- Check that both sensors indicate give values within the permitted range for different deployments
- Ignition off.
Check the engine control module (ECM) and the throttle unit connector. Check for contact resistance. Check for oxidation.
Check if the throttle unit is blocked. Press the throttle disc to check for jamming.
Remedy as necessary.

Other information:
- Connecting the breakout box Connecting the Breakout Box
- Signal specification Signal Description / Specification
- Throttle body (electronic throttle module (ETM)), replacing Removal and Replacement
- Throttle body (TB), cleaning Procedures
- Checking wiring and terminals Checking Wiring And Terminals










Continue - Verification

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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.
Activate reading off the position of the throttle.
Check that both sensors indicate values within the permitted range at different deployments.





Are these values within their permitted ranges?

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 - FAULT-TRACING FAILED

No - Attempt New Test

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FAULT-TRACING FAILED - FAULT-TRACING FAILED

Attempt New Test - Checking components and connections

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