Faulty Signal. Permanent Fault

Faulty signal. Permanent fault

Checking components and wiring








- Ignition off
- Disconnect the battery negative terminal
- Disconnect the seat connector
- Check the connector for contact resistance and oxidation. See Checking wiring and terminals. Permanent fault Checking Wiring And Terminals. Permanent Fault
- If the seat connector is defective it must be replaced
Caution! The special tool must be checked and fault-free. If the tool is defective it will cause errors in the diagnosis and make fault-tracing harder.

Install special tool 861 8437 SRS adapter C70 ,S70,V70 861 8437 SRS Adapter C70 ,S70,V70 on the connector
- Reconnect the battery negative lead.
- Ignition on.
Read off diagnostic trouble codes (DTCs).
If the fault is in the SIPS bag the diagnostic trouble code (DTC) status will have changed to intermittent. In this case the SIPS bag must be replaced.

Other information
- To replace the SIPS airbag, see SIPS airbag SIPS Airbag.









Is the diagnostic trouble code (DTC) intermittent?

Yes - Verification

No - Checking the cable

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Checking the cable
The fault is in the wiring between the seat connector and the control module. Replace the wiring, do not attempt to repair it.

Other information:
- To access the control module connector, see Sensor module, replacement Service and Repair.

Select "Continue" when the fault has been remedied.

Continue - Verification

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Verification




Verification

Verification

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




- Ignition off
- Disconnect the battery negative lead
- Reinstall the connectors, components etc.
- Ignition on
- Connect the battery negative lead.

Warning! There must not be anyone inside the passenger compartment when the battery is connected.

- Read off diagnostic trouble codes (DTCs).
The fault is no longer present if the status of the diagnostic trouble code (DTC) has changed to intermittent.





Does the status change?

Yes - VERIFIED

No - VERIFICATION FAILEDPAPER

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VERIFICATION FAILED - Fault-tracing information

VERIFIED - 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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FAULT-TRACING FAILED - FAULT-TRACING FAILED

Attempt New Test - Checking components and wiring

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