95 Nissan Caravan TD27. Right, so it hasn't been used much recently & thers been a nasty dose of condensation appear in the van. The only thing that is acting just a tad odd , are the wipers. Turn on ign key & the wipers run. Sometimes they stop, sometimes when stopped, they will start up again for no apparent reason. Got to the stage quickly that I unplugged them so I could use the van for towing. Went out of town & had rear windows open & heater on full hot blast which dried the van a lot & it's had a dehumidifier running in it for 48 hours.
Pulled the column switch off & gave it a healthy dose of CRC & air compressor but no difference. Switch feels ok. Drivers side floor is wet so suspect a leak somewhere, probably those blimin washer jets again. Could it be the wiper motor or maybe the fuse box playing silly buggers
bigfatmat1,
Jul 31, 4:50pm
i would doubt its the fusebox but there could be a intermittent wiper control unit somewhere. Or it could be part of switch assy that the switch or motor you really need to test the system otherwise its a guessing game. Download a wiring diagram. And see how it works is your best bet. Then run some tests with a test light not a led one though
3tomany,
Jul 31, 4:58pm
I bet it has rust where you can not see it.
intrade,
Aug 1, 12:59am
my mb140 is drysabone inside. you have water ingress somewhere.
andy61,
Aug 1, 3:00am
I had a Nissan Mistral , the wipers had a mind of their own (I put it down to European electrics! ), was talking to a 4WD dismantler after I sold it (i thort it may have been the switch) and he said wiper motor.
mrfxit,
Aug 1, 3:29am
Yep said that, those vans have a 50mm stickout pedestal mount under the screen. Had to reseal the left side a couple of years ago
countrypete,
Aug 1, 3:35am
Mitsubishi had that issue in he '80's. Check the fusible link at the battery.
mrfxit,
Aug 3, 5:34am
Ok, seem to have fixed it. Just for the hell of it & fiddly around with the wiper system. Manually (& gentlyof course) moved the wiper arms across the screen a few times full arc. Teased the system a few times by going through all the speed options & it's now behaving it's self No issues with the wipers auto starting
All I can think of, was the intermittent trigger switch inside the wiper motor just needed a manual reset of sorts, by moving the wipers by hand a few times
bigfatmat1,
Aug 3, 6:07am
contacts are prob dodgy in wiper motor. There is no reset
mrfxit,
Dec 13, 5:09am
Yep I know that but it's done the same thing, sort of. Time will tell if it lasts. Will put the column covers back on in a few days
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