Checking Electronic Child Locks
Checking electronic child locks
Checking the switch
Check the switch for the child-proof lock by clicking on the VCT2000 symbol.
- Note the number of the switch that corresponds to the location of each switch for the child-proof lock in the car. Start the read off
- Press the switch for electronic child-proof locking several times
- Check on the display that there is a signal from the switch.
Remedy as necessary.
Other information:
- To access or replace the climate control module (CCM), see Climate control module (CCM), replacing Service and Repair.
Continue - Checking fuses
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Checking fuses
Check fuses 11C/37 and 11D/8.
Remedy as necessary.
Other information:
- To access and replace the fuses, 11D, see Integrated relay / fusebox cargo compartment / rear electronic module, replacing Integrated Relay/Fusebox Cargo Compartment/Rear Electronic Module (REM), Replacing
- Fuse 11C is in the passenger compartment.
Continue - Checking the relay
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Verification
Verification
Verification
Hint: After the repair it is necessary to check that the fault has been rectified.
- Ignition off.
- Connect connectors, install components, etc.
- Disconnect the starter motor connector.
- Try to start the engine with the gear lever in any position other than P or N.
- Connect the starter motor connector.
Check that diagnostic trouble code status changes from permanent to intermittent.
Is the diagnostic trouble code status intermittent?
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 - No Fault Found
Attempt New Test - Checking the switch
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Checking the relay
- Ignition off
- Reinstall the connectors, components etc.
- Ignition on.
Close the rear doors. Activate the child-proof lock using the switch.
Can the doors be opened from the inside?
Yes - Checking the signal cable
No - Checking the signal cable
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Checking the signal cable
- Ignition off.
Check the signal cables below for both the rear doors. Check for a short-circuit to supply voltage. Check for an open-circuit. Check for a short-circuit to ground.
- Between lock unit connector terminal #3 and the relay holder in the door, terminal #4
- Between the relay holder in the door, terminal #3 and rear electronic module (REM) relay position 2/115 terminal #3.
Remedy as necessary.
Other information:
- To access the lock unit in the rear door, see Lock mechanism rear side door, replacing Lock Mechanism Rear Side Door, Replacing
- To access the integrated relay / fusebox in the cargo compartment, see Integrated relay / fusebox cargo compartment / rear electronic module, replacing Integrated Relay/Fusebox Cargo Compartment/Rear Electronic Module (REM), Replacing
- Checking wiring and terminals Checking Wiring And Terminals.
Continue - Verification
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Checking the signal cable
- Ignition off.
Check the signal cables below for both the rear doors. Check for a short-circuit to supply voltage. Check for an open-circuit. Check for a short-circuit to ground.
- Between the relay holder in the door, terminal #2 and ground
- Between the relay holder in the door, terminal #1 and central electronic module (CEM) relay position 2/120 terminal #3.
Remedy as necessary.
Other information:
- To access the central electronic module (CEM), see Central electronic module (CEM), replacing Central Electronic Module (CEM), Replacing
- To connect the breakout box, see Connecting the breakout box Connecting the Breakout Box, Central Electronic Module (CEM)
- Checking wiring and terminals Checking Wiring And Terminals.
Continue - Verification
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