Fault-Tracing

Fault-tracing

Checking components and connections




- Ignition on.
- Activate reading off the position of the throttle.
- Check that read-off throttle position shows reasonable values at different deployments.
- Ignition off.
Check cables between Engine Control Module (ECM) and Throttle Module for short-circuit to voltage or ground.
Check the Throttle Module electrically by measuring between casing and connector.
Remedy as necessary.

Other information
- Connecting the breakout box Connecting the Breakout Box
- Signal specification Signal Specification, Engine Control Module (ECM)
- Throttle body Removal and Replacement
- Engine control module (ECM), B6304T2 Engine Control Module (ECM)
- Checking wiring and terminals Checking Wiring and Terminals













Continue - Verification

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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 connections

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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
Activate readout of electronic throttle unit's position.
Check that read-off throttle position shows reasonable values at different deployments.





Are these values within their permitted ranges?

Yes - Troubleshooting procedure complete

No - Fault-tracing information

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