Signal Too High

Signal too high

Checking signal from airing module




- Ignition on.




- Go into rolling values.
- Read off airing module status.
The value should be OFF.

Is the value OFF?

Yes - Intermittent

No - Checking cables

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Checking cables
Check the cable between the control module #A21 and the airing module terminal 5 for a short-circuit to supply voltage according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.









Select "Continue" when the fault has been repaired.

Continue - Verification

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Verification

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




- Ignition on.




- Reinstall connectors, components etc.
- Go into rolling values.
- Read off airing module status.
The value should be OFF.

Is the value OFF?

Yes - FAULT FOUND

No - Fault-tracing information

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Fault-tracing information
Verification indicates that the fault persists.

Do you want to repeat fault-tracing?

Yes - Checking signal from airing module

No - No Fault Found

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Intermittent
Check the cable between control module #A21 and airing module terminal 5 for an intermittent short-circuit to supply voltage according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.










Continue - Fault-tracing information

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Fault-tracing information
If the fault is intermittent, do not verify fault-tracing if the fault does not recur.

Do you want to repeat fault-tracing?

Yes - Checking signal from airing module

No - No Fault Found

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