Signal Too Low

Signal too low

Checking components and wiring
Check that the "15I supply" relay 2/52 is intact. Check that the relay is correctly installed.
Check that fuse 11D/5 is intact.
Check the cable between fuse 11D/5 and "15I supply" relay 2/52 #1. Check the cable between the rear electrical module terminal #D2 (#B02) and "15I supply" relay 2/52 #2. Check for an open-circuit.
Check the relay terminals. Check for an open-circuit.
Remedy as necessary.
Try a new relay if no faults are found.

Other information:
- To connect the breakout box, see Connecting the breakout box Connecting the Breakout Box
- For information about signals, see Signal specification Pinout Values and Diagnostic Parameters
- When the relay is installed and activated, the voltage at the relay guide must be 12 V
- Checking wiring and terminals Checking Wiring And Terminals.










Continue - Verification

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Verification




Verification

Verification

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








- Ignition off
- Reinstall the connectors, components etc.
- Ignition on.
Activate and deactivate the relay.





Is there a click in the relay at activation and deactivation?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFIED - Fault Found

VERIFICATION FAILED - Fault-tracing information

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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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