Signal Faulty. Permanent Fault

Signal faulty. Permanent fault

STC or DSTC

Question

Does the car have a DSTC system?

Yes - DSTC

No - STC

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STC - Checking fuse and wires

DSTC - DSTC

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Checking fuse and wires
- Check that the fuse in the engine compartment relay/fuse box is intact.
If the fuse is intact, check the cable between control module terminal #9 and the fuse for an open circuit as described in Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
If the fuse has blown, check the cables to the control module for a short circuit to ground as described in Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault , and for a short circuit to voltage supply as described in Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault. Then replace the fuse.

Additional information:
- For further information about the fuses and relays, see the relevant wiring diagram.
- To connect the test box, see Connecting the ABS breakout box Connecting the Breakout Box.

Is there a fault with the wires?

Yes - Verification

No - Replacing the component

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Replacing the component

- Ignition off.
Test with a new ABS control unit as described in Control module (ABS), replacing Control Module (ABS), Replacing.

Select Continue when the fault has been rectified.

Continue - Verification

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Verification

Hint: After the repair it is necessary to check that the fault has been rectified.

- Ignition off.
- Connect the connectors, install the components, etc.
- Test-drive the car as described in Test Drive Form (ABS), description Test Drive Form (ABS), Description.
Read the status of the diagnostic trouble code.

Is the status INTERMITTENT?

Yes - Verification completed

No - Trouble-shooting information

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Trouble-shooting 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 fuse and wires

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DSTC

Signal faulty. Permanent fault

Checking fuse and wires
- Check that the fuse in the engine compartment relay/fuse box is intact.
If the fuse is intact, check the cable between control module terminal #16 and the fuse for an open circuit as described in Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
If the fuse has blown, check the cables to the control module for a short circuit to ground as described in Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault , and for a short circuit to voltage supply as described in Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault. Then replace the fuse.

Additional information:
- For further information about the fuses and relays, see the relevant wiring diagram.
- To connect the test box, see Connecting the ABS/DSTC breakout box Connecting the Breakout Box.

Is there a fault with the wires?

Yes - Verification

No - Replacing the component

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Replacing the component

- Ignition off.
Test with a new ABS control unit, as described in Replacing the control module for ABS and dynamic stability and traction control (DSTC) Replacing the Control Module for ABS and Dynamic Stability and Traction Control (DSTC).

Select Continue when the fault has been rectified.

Continue - Verification

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Verification

Verification

Hint: After the repair it is necessary to check that the fault has been rectified.

- Ignition off.
- Connect the connectors, install the components, etc.
- Test-drive the car as described in Test driving Test Driving.
- Ignition on.
Read the status of the diagnostic trouble code.