Internal Fault. Permanent Fault

Internal fault. Permanent fault

Checking diagnostic trouble code (DTC)

Note! Replace the control module if diagnostic trouble code (DTC) ABS-0072 is stored as a permanent fault.




- Ignition on.
- Read off diagnostic trouble codes (DTCs) by clicking on the VCT 2000 symbol.

Other information:
- To install a new control module, see Replacing the control module Service and Repair.





Was diagnostic trouble code (DTC) ABS-0072 is stored as a permanent fault?

Yes - FAULT FOUND

No - Checking fuse 4

-------------------------------------------------

Checking fuse 4
- Check that fuse 4 in the in the integrated relay/fusebox in the engine compartment is intact.
If the fuse is blown, check cable between fuse 4 and control module #9 for a short-circuit to ground according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault. Then replace fuse.
Remedy as necessary.
- To connect the breakout box, see Connecting the ABS breakout box Connecting the ABS Breakout Box.













Was the fuse OK?

Yes - Checking 30-supply to control module

No - Verification

-------------------------------------------------

Checking 30-supply to control module








- Ignition off.
- Control module disconnected.
Connect a voltmeter between #8 and #9 on the breakout box.









The voltmeter should read battery voltage.

OK - Checking the control module

Not OK - Checking supply before fuse 4

-------------------------------------------------

Checking supply before fuse 4
- Connect a voltmeter between the left socket on the fuse 4 fuse holder and ground.
The voltmeter should read battery voltage.
If the voltmeter reads 0 V it indicates that there is an open-circuit in the cable between fuse 4 and the battery. Check cable for an open-circuit according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Remedy as necessary.









Select Continue when the fault has been remedied.

Continue - Verification

-------------------------------------------------

Checking the control module








- Ignition off.
- Disconnect breakout box.
- Connect control module.
- Test drive car according to Test driving .
Read off the diagnostic trouble code (DTC) status.





Is the status INTERMITTENT?

Yes - Checking contact resistance and oxidation

No - Replacing component

-------------------------------------------------

Checking contact resistance and oxidation
The cause of the fault has been loose connections in the control module connector.
Check control module connectors for contact resistance and oxidation and remedy according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.





Select Continue when the fault has been remedied.

Continue - DONE

-------------------------------------------------

Replacing component
Try a new control module according to Replacing the control module Service and Repair.

Continue - FAULT FOUND

-------------------------------------------------

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

------------------------

Attempt New Test - Checking diagnostic trouble code (DTC)

-------------------------------------------------

Verification




Verification

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








- Ignition off.
- Reinstall components, reconnect connectors etc.
- Test drive car according to Test driving .
Read off the diagnostic trouble code (DTC) status.









Is the status INTERMITTENT?

Yes - VERIFIED

No - VERIFICATION FAILED

------------------------

VERIFICATION FAILED - Fault-tracing information

VERIFIED - FAULT FOUND

-------------------------------------------------