Signal Missing. Permanent Fault

Signal missing. Permanent fault

Checking the wires
Check the signal wire between the rear electronic module (REM) connector B06 ( D6) and the level sensor (ISM) connector 2 for an open circuit as described in Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Check the two connectors for contact resistance and oxidation as described in Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
If no fault is found, replace the sensor.

Additional information
- For information on signals and additional values, see Signal specification Signal Specification
- To connect the test box, see Connecting the breakout box Connecting Breakout Box, Rear Electronic Module (REM)
- To access rear electronic module (REM), see Integrated relay/fusebox cargo compartment/Rear electronic module (REM), replacing Integrated Relay/Fusebox Cargo Compartment/Rear Electronic Module (REM), Replacing
- To access/replace the level sensor, see Tilt sensor alarm, replacing Tilt Sensor Alarm, Replacing.









Continue - Verification

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Verification




Verification

Hint: After the repair it is necessary to check that the fault has been rectified.








- Ignition off.
- Connect the connectors, install the components, etc.
Open the boot lid and lock in the open position by pressing in the lock hinge.
Lock the car by remote control.
Wait for 25 seconds until the alarm is activated and sound the alarm by releasing the level sensor and turning it.

Is function OK?

Yes - Verification completed

No - Trouble-shooting information

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Trouble-shooting 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 wires

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