Operation CHARM: Car repair manuals for everyone.

Signal Too Low






Signal too low

Status check




- Start engine.
- Go into rolling values.
- Read off status of generator (GEN) charge voltage.





Is the status high?

Yes - Faulty signal. Intermittent fault

No - Checking the charging system

-------------------------------------------------

Checking the charging system
Check charging system for low charge voltage.

Continue - Verification

-------------------------------------------------

Verification

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












- Ignition off.
- Reinstall connectors, components etc.
- Start engine.
- Go into rolling values.
Read off status of generator (GEN) charge voltage.





Is the status high?

Yes - FAULT FOUND

No - Fault-tracing information
No Fault Found

-------------------------------------------------

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

------------------------

Attempt New Test - Status check

-------------------------------------------------

Faulty signal. Intermittent fault





Faulty signal. Intermittent fault

Checking cables and terminals
Check charging system for intermittent low charge voltage fault causes.

Continue - Fault-tracing information
DONE

------------------------

Fault-tracing information




Information

Fault-tracing information
If the fault is intermittent, do not verify fault-tracing if the fault does not recur.
It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).

Do you want to view the information again?

Yes - Attempt New Test

No - FAULT FOUND

------------------------


-------------------------------------------------

Attempt New Test - Status check

-------------------------------------------------