Hi, new to the forum but not cars in general.
I presently have an issue with the rear barn door central locking with a new to me Boxer L2H3 campervan.
All other doors lock & unlock fine from the remote and the alarm sets. The rear barn door locks from the key only and I can hear no activation, or attempted activation of the motor when remote locked or unlocked.
I've checked the door loom for continuity (as the usual suspect in these cases) and all is OK, I've checked through the loom for continuity to earth and that's fine as well. I therefore suspected the lock so I've now replaced that with new - still not functioning but remains able to be locked from the key as before so mechanically it appears to be OK.
I've now done some !live" testing and found the following (all with ignition off) at the door lock connector.:
brown & orange/green both continuity test through to earth which (looking at the wiring diagram for the similar Ducato) surprised me as I thought they would be voltage supply and/or reversal contacts for the locking motor?
All others, with the exception of the black/mauve are open
When switched open & closed I get the following voltages:
red/black - 0v on open or close commands
orange/green - 12v open command; 0v close command
brown - 0v on open or close commands
black/mauve - 0v on open or close commands
blue/white - 2.1v on both open & close command (I suspect that this is a rear compartment light supply which isn't fitted in my campervan)
The above doesn't seem right to me as I'd half expected the volts to appear on red/black & brown as it switched with a permanent supply on orange green (supply with switch to earth).
As all the other doors work fine, I'm suspecting a break or bad connection somewhere in the cable between the rear barn doors and the sliding side door connector...unless it could be something to do with programming??
Any help appreciated
I presently have an issue with the rear barn door central locking with a new to me Boxer L2H3 campervan.
All other doors lock & unlock fine from the remote and the alarm sets. The rear barn door locks from the key only and I can hear no activation, or attempted activation of the motor when remote locked or unlocked.
I've checked the door loom for continuity (as the usual suspect in these cases) and all is OK, I've checked through the loom for continuity to earth and that's fine as well. I therefore suspected the lock so I've now replaced that with new - still not functioning but remains able to be locked from the key as before so mechanically it appears to be OK.
I've now done some !live" testing and found the following (all with ignition off) at the door lock connector.:
brown & orange/green both continuity test through to earth which (looking at the wiring diagram for the similar Ducato) surprised me as I thought they would be voltage supply and/or reversal contacts for the locking motor?
All others, with the exception of the black/mauve are open
When switched open & closed I get the following voltages:
red/black - 0v on open or close commands
orange/green - 12v open command; 0v close command
brown - 0v on open or close commands
black/mauve - 0v on open or close commands
blue/white - 2.1v on both open & close command (I suspect that this is a rear compartment light supply which isn't fitted in my campervan)
The above doesn't seem right to me as I'd half expected the volts to appear on red/black & brown as it switched with a permanent supply on orange green (supply with switch to earth).
As all the other doors work fine, I'm suspecting a break or bad connection somewhere in the cable between the rear barn doors and the sliding side door connector...unless it could be something to do with programming??
Any help appreciated
