Signal Too Low

Signal too low

Checking the function
The LEDs should flash three times whenever the Blind Spot Indication System (BLIS) is activated.
Check the function of the LEDs by starting the engine.

Did the LED flash three times?

Yes - Fault-tracing information

No - Checking the wiring

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Checking the wiring








- Ignition off.
Check the cable between the Driver door module (DDM)/Passenger door module (PDM) terminal #B3 (#23) and the left/right camera control module (LCM/RCM). Check for a short-circuit to ground.
Remedy as necessary.

Other information
- Signal specification Signal Specification, Driver's Door Module / Passenger Door Module (DDM/PDM)
- Checking wiring and terminals Checking Wiring and Terminals
- Rear view mirror external Rear View Mirror External





Continue - Verification

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Verification

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








- Ignition off.
- Reinstall the connectors, components etc.
- Ignition on.

Did the LED flash three times?

Yes - FAULT FOUND

No - Information

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Information

Attempt New Test - Checking the wiring

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Fault-tracing information
The Driver door module (DDM)/Passenger door module (PDM) has previously registered a fault but the fault no longer occurs. The diagnostic trouble code (DTC) was probably caused by an intermittent fault. If the diagnostic trouble code (DTC) does not recur no further corrective action is required. The fault is evaluated depending on how it occurs.

Do you want to exit fault-tracing?

Yes - DONE

No - Checking the wiring

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