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Nissan Primera P12: Child Locks On In Error

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stephen2079 View Drop Down
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    Posted: 16 Feb 2018 at 4:02pm
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Hello,


A little help would be appreciated, please. Here’s what’s happening:


  • Turn ignition key two clicks

  • Child locks engage even though the button is off

  • Rear/left child lock disengages (all okay)

  • Rear/right child lock stays engaged (grrrr)

  • Car beeps

  • Child lock symbol on the dashboard flashes


Any idea what I should poke, prod or massage to fix it?


Thanks in advance,


Stephen

Car: United Kingdom, 2005, 2.0-litre Petrol, Automatic, SVE, 

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roy.2 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote roy.2 Quote  Post ReplyReply Direct Link To This Post Posted: 16 Feb 2018 at 4:24pm
Hi Stephen. Sounds like something is sticking. LOL
Try the manual locks on the underside of the doors.one may be part way across. Thumbs Up
Roy
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Post Options Post Options   Thanks (0) Thanks(0)   Quote stephen2079 Quote  Post ReplyReply Direct Link To This Post Posted: 16 Feb 2018 at 4:33pm
Thank you for your reply. Unless I'm missing something, there's no lever to move manually on the doors (unlike other cars I've had). My Primera has a fully electric system that operates via a button on the driver's armrest. 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote roy.2 Quote  Post ReplyReply Direct Link To This Post Posted: 16 Feb 2018 at 4:42pm
Sorry Stephen. you are right, I have just been and checked mine, there is a black thing there and the word LOCK, but it appears to do nothing. Like you say,unlike other cars. 
Roy
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Post Options Post Options   Thanks (0) Thanks(0)   Quote stephen2079 Quote  Post ReplyReply Direct Link To This Post Posted: 16 Feb 2018 at 4:47pm
No need to be sorry. It's kind of you to make the effort to help. Thumbs Up
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Post Options Post Options   Thanks (0) Thanks(0)   Quote timeshock! Quote  Post ReplyReply Direct Link To This Post Posted: 16 Feb 2018 at 6:12pm
It is not a system I have used but there are several states this system can be in
this is taken from the ESM
 

Indicator       > |    ON Ignition switch: ON        >|     Child lock set                      > |     indicator ON for 30 seconds

                                                           ___________________________________________________________________
                                                                        >| Child lock not completely set  > |    Indicator blinks & beep warning for 10 seconds
_________________________________________________________________________________________________
Indicator OFF >|  Child lock switch released    > |Child lock released                >   | Indicator blinks for 10 seconds
                                                                      ________________________________________________________________

                                                                        > | Child lock not completely released  Indicator blinks & beep warning for 10 seconds

                         ________________________________________________________________________________________________                
                     > |Ignition switch: OFF                   > |              —                              > |    Indicator OFF
_________________________________________________________________________________________________________
 
 
 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote stephen2079 Quote  Post ReplyReply Direct Link To This Post Posted: 16 Feb 2018 at 8:19pm
Thank you, Timeshock. That ties in with what I'm seeing on the car. I know it's tricky to say without seeing the car, but does your gut instinct suggest there's a problem behind the door card? An actuator, perhaps. Alternatively, could there be some value in disconnecting the battery for 20 minutes to see if something resets? It is a P12 after all..lol.

Thanks again.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote timeshock! Quote  Post ReplyReply Direct Link To This Post Posted: 17 Feb 2018 at 9:39am
A lot of electrical niggles have been reportedly fixed by a disconnection of the main battery, so along as you are careful give it a go. I would press the child lock button a few times while the ignition is on if you have not tried that. The very fact you are reporting the actuator engaging and hence also disengages does not sound like the actuator unless there is a short either. It does not sound like the SECU as it is not affecting all the doors. You don't say how you get the other door to disengage, presumably through the button even though it is supposed to be off.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote stephen2079 Quote  Post ReplyReply Direct Link To This Post Posted: 17 Feb 2018 at 12:42pm
Thank you for that. Sorry to keep picking your brain, but if I disconnect the battery for 20 minutes is there a risk I'll have some sort of "secure" message for the radio, etc? I'd kick myself If I caused other issues!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote timeshock! Quote  Post ReplyReply Direct Link To This Post Posted: 17 Feb 2018 at 1:11pm
No, you should be OK, the radio doe snot need a code, just be careful with your spanners and leads and don't short anything
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