Faulty Signal

Faulty signal

Checking the connectors and cables
Check relevant wheel sensor and ABS control module connectors for contact resistance and oxidation according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Check connectors and wiring insulation for damage.
Check that wheel sensor cables are not too close to sources of interference.
Remedy as necessary.

Other information
- To connect the breakout box, see Connecting the ABS breakout box Connecting the ABS Breakout Box.
- To disconnect control module connector, see Replacing the control module Service and Repair.
- Checking/Replacing wheel sensor, see Rear wheel sensor, with integrated cabling, replacement Rear Wheel Sensor, With Integrated Cabling, Replacement.
- For information about signals, see Signal specification, ABS control module Signal Specification, ABS Control Module.

Was a fault detected?

Yes - Verification

No - No Fault Found

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

Verification




Verification

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








- Ignition off.
- Connect control module.
- Reconnect connectors, reinstall components.
- Test drive car.

Note! Vehicle speed must be above 40 km/h (25 mph) for more than 2 minutes.

- Read off the diagnostic trouble code (DTC) counters.
Check the counter value. The control module interprets a counter value greater than 0 as an intermittent fault. The control module interprets a counter value of 0 as a permanent fault. If the value changes it indicates that the fault has been remedied.









Does the counter value change?

Yes - VERIFIED

No - VERIFICATION FAILED

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

VERIFIED - FAULT FOUND

VERIFICATION FAILED - Fault-tracing information

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

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 the connectors and cables

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