Activated Too Long

Activated too long

Function test
- Press the switch for reduced alarm
A message must be displayed in the driver information module (DIM) that the reduced alarm function is activated. The indicator lamp on the switch must also be lit.
Read off whether the function is activated by clicking on the VCT2000 symbol.









Is the function activated?

Yes - Fault-tracing information

No - Checking the wiring

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Checking the wiring




- Ignition off.
Check the connection between the switch for reduced alarm and central electronic module (CEM) terminal #H19 (#33). Check for a short-circuit to ground. Also check the cable between the switch and ground. Check for an open-circuit. Check for a short-circuit to supply voltage.

Other information
- Connecting the breakout box Connecting the Breakout Box, Central Electronic Module (CEM)
- Signal specification Signal Description, Central Electronic Module (CEM)
- Control module relay box passenger compartment Service and Repair
- Lighting, internal front Lighting, Internal Front
- Checking wiring and terminals Checking Wiring and Terminals













Was a fault detected?

Yes - Verification

No - Replacing switch

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Replacing switch




- Ignition off.
If no fault is found in the wiring for the switch for reduced alarm, the switch must be replaced.

Other information
- Lighting, internal front Lighting, Internal Front

Continue - Verification

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Verification




Verification

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








- Ignition off
- Reinstall the connectors, components etc.
After carrying out the repair, the function must be checked.
Check the function of the reduced alarm. Connect the function using the switch on the lighting panel.
The message must be presented in the driver information module (DIM) display and the indicator lamp for the switch for reduced alarm.
Sit in the car with the doors closed and lock the car using the remote control. Wait for 30 seconds. Move your arms about.
The function is OK if the alarm is not triggered.

Is the function OK?

Yes - Troubleshooting procedure complete

No - 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 - Exit Fault-Tracing

No - Attempt New Test

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Attempt New Test - Function test

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Fault-tracing information
If no fault is discovered, this indicates that the control module has previously registered a fault, but that the fault is no longer present. The fault is intermittent. No further fault-tracing is required.

Continue - No Fault Found

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