Signal Too Low. Permanent Fault

Signal too low. Permanent fault

Checking the connectors and cables




- Ignition off
- Check control module connector A for a short-circuit to ground according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Connect an ohmmeter between control module A16 and ground.
Test for a short-circuit to ground according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
If a short-circuit is found, check the control switch connector for a short-circuit to ground according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Connect an ohmmeter between switch 1 and 5.
The control switch must be in the unaffected position.
Test for a short-circuit to ground according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Replace the control switch if a short-circuit is found.
If no short-circuit is found in the switch, there is probably a fault in the cable between the control module and the control switch.
Remedy as necessary.













Other information:
- To access and replace the control module see Replacing the control module Service and Repair
- To connect the breakout box, see Connecting the convertible control unit breakout box Connecting the Breakout Box.

Select Continue when the fault has been remedied.

Continue - Verification

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Verification




Verification

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








- Ignition off
- Reinstall the connectors, components etc.
- Ignition on
- Check that lamp lights during the lamp test.
Activate the switch for convertible top operation.
The dashboard LED must light as soon as the convertible top is activated.

Does the lamp light?

Yes - VERIFIED

No - VERIFICATION FAILED

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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 - Exit fault-tracing

No - Attempt New Test

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Attempt New Test - Checking the connectors and cables

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