Question about 2002 Toyota Sienna
Our 2002 Toyota Sienna door locks and keyless entry stopped working along with the dome lights. We checked all fuses and they were all fine. I have been looking around trying to figure out this problem and bought a repair manual but am not having a lot of luck. Someone told me that its probably a bad relay but I dont have a clue how to find it. Can anyone help?
Thanks for the help. I repalced the 10amp fuse that controls the dome lights and the wireless lock started working ..
Posted on Apr 01, 2009
Hey , I had the same problem with my 1999 Sienna XLE. I fixed it by replacing the Integration Relay which clips right on the back of your fuse junction Inside the car, right next to your left knee, behind a dash cover. To swap one out takes about 20 mins. You need flat, philips head screw drivers and a 10 mm socket. Dealer price for the relay was $200, but found one in a junkyard for 50. I can send you pictures and more info if you want.
Posted on Oct 27, 2008
The domelight does not utilize a relay.
Did you check the 10 amp DOME fuse, under the dash? This controls both the dome and the wireless door lock ECU. There is an "integration relay" that runs the door locks, but, since you said that the dome light is inoperative, that is where I would start.
Posted on Oct 27, 2008
Replacing blown 10A dome fuse also fixed my 2000 Sienna. The fuse is located in the engine compartment next to the air filter as said in the owner's manual.
Posted on Jun 23, 2013
I replaced the Integration Relay (twice from junkyard parts), and the problem continued. Saw this post, ran out to the car and changed the 10A Dome fuse (didn't know there were fuses for the interior out under the hood - that doesn't make sense), and the problem was immediately fixed. Thanks for the help. I was about to drop $180 on a new Integration Relay.
Posted on Jan 30, 2015
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