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Faulty Signal. Permanent Fault






Faulty signal. Permanent fault

STC or DSTC




Question

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.

Other information:
- For further information about the fuses and relays, see the relevant wiring diagram.
- To connect the breakout box, see Connecting the ABS breakout box Pinout Values and Diagnostic Parameters.













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 Brake Control Module (BCM), Replacing.

Select Continue once the fault has been remedied.

Continue - Verification

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Verification




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 Drive Form (ABS), description Test Drive Form (ABS), Description.
Read the status of the diagnostic trouble code.









Is the status INTERMITTENT?

Yes - VERIFIED

No - VERIFICATION FAILEDPAPER

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VERIFIED - Fault Found

VERIFICATION FAILED - Fault-tracing information

PAPER - No Fault Found

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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 - FAULT-TRACING FAILED

No - Attempt New Test

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Attempt New Test - Checking fuse and wires

FAULT-TRACING FAILED - FAULT-TRACING FAILED

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DSTC





Faulty signal. 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.

Other information:
- For further information about the fuses and relays, see the relevant wiring diagram.
- To connect the breakout box, see Connecting the ABS/DSTC breakout box Pinout Values and Diagnostic Parameters.













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 ABS / DSTC (dynamic stability and traction control) control module Replacing ABS / DSTC (Dynamic Stability and Traction Control) Control Module.

Select Continue once the fault has been remedied.

Continue - Verification

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Verification




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.









Is the status INTERMITTENT?

Yes - VERIFIED

No - VERIFICATION FAILEDPAPER

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VERIFIED - Fault Found

VERIFICATION FAILED - Fault-tracing information

PAPER - No Fault Found

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Fault-tracing information
Information
Attempt New Test - Checking fuse and wires

FAULT-TRACING FAILED - FAULT-TRACING FAILED

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FAULT FOUND - Fault Found

FAULT-TRACING FAILED - FAULT-TRACING FAILED

No Fault Found - No Fault Found

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