water warning light.

[angelshell]

my water warning light is staying on.the water is full to the max,what else could cause it to stay on .i can't read the manual as its in japanese.i have a nissan largo .

[RATTER15]

It sounds like a faulty switch in the water reservoir, if the water cap has two cable coming from it , disconnect one and see if the warning light goes out, if it does, you need a new reservoir cap (containing the switch) if it doesn't, you have an electrical fault elsewhere.