Fault-Tracing Information

Fault-tracing

Checking the status




- Ignition on.
Check to see if the fault is permanent or intermittent by reading off the external temperature sensor's signal.
Check that the value is within its permitted range. The fault is permanent if the value is not within its permitted range. The fault is intermittent and not currently active if the value is within its permitted range.









Continue - Checking the component and wiring

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Checking the component and wiring




- Ignition off.
- Check the external temperature sensor connector and terminals. Check for contact resistance. Check for oxidation.
- Ignition on.
Read off the external temperature by clicking on the symbol for VCT2000.
Remedy as necessary.

Other information
- Connecting the breakout box, B6304T4 Breakout Box Connection, Engine Control Module (ECM)
- Signal specification, B6304T4 Signal Description, Engine Control Module (ECM)
- Outside temperature sensor Service and Repair
- Checking wiring and terminals Checking Wiring And Terminals













Continue - Verification

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Fault-tracing information

Attempt New Test - Checking the status

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Verification




Verification

Hint: After carrying out the repair, check that the fault has been remedied.




- Ignition off.
- Reconnect the connectors, reinstall components etc.
- Ignition on.
Read off the external temperature sensor's signal by clicking on the symbol for VCT2000.
Check that the signal is within its permitted range.





Is the signal OK?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFICATION FAILED - Fault-tracing information

VERIFIED - FAULT FOUND

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