Passenger Side Power Window Does Not Respond to Switches

2000 HONDA ODYSSEY
15,000 MILES
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JIMMER24
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The windows on my 2000 Honda Odyssey EX were unfortnately left down two nights ago and, of course, it rained. Yesterday morning I tried putting the power windows up but only the driver's side responded. Neither the master switch nor the passenger switch enabled the passenger side power window to be raised.

Here's what I've done so far to diagnose the problem:

1. Checked 20 amp Fuses for both driver and passenger PWs (Fuse # 15 & 8) located on passenger side kick panel.

2. Bought used Master and Passenger switches from junk yard. Same result: only driver PW on master worked.

3. Checked passenger PW motor via jumper from battery. Was able raise the window successfully so the motor is good.

4. Replaced PW Relay located behind fuse box on passenger side. I tried the switches and still have same result: only driver PW works via master switch.

My thought now is that the Passenger Multiplex Control Unit is the cause of the problem. Could it have gone bad in the rainstorm even though its location did not get wet? I'd like to check it but am not too handy with a multi-meter. Can you explain the meter settings I need to discover whether it is good or bad?

I hope you have enough info to point me in the right direction as I'd rather not buy a new Multiplex Control Unit before knowing if the old one's fried.

Thanks in advance for your collective guidance.

Jimmer24
Jul 10, 2012 at 7:02 PM
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JIMMER24
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P.S. - Also checked power window fuse under hood and it was good.
Mar 11, 2019 at 5:12 PM
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SATURNTECH9
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So the passenger side front power window is inop?
Mar 11, 2019 at 5:12 PM
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JIMMER24
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That's correct: neither master nor passenger switch allows passenger window to move up or down. Driver side PW is fine.
Mar 11, 2019 at 5:12 PM
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SATURNTECH9
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Alright passengers side under dash fuse box see if the number 8 fuse 20 amp is blown.That fuse feeds power to the inop window when moving the window switch for the inop window.
Mar 11, 2019 at 5:12 PM
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JIMMER24
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Already checked #8 fuse and is fine. (see my Item 1 in my first post - also shows what I've done so far.)
Mar 11, 2019 at 5:12 PM
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SATURNTECH9
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Sorry about that with the key in the run position do you have power to both sides of the number 8 fuse?Also at the front passenger window switch do you have power to the blue wire with a black stripe?
Mar 11, 2019 at 5:12 PM
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JIMMER24
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You've now discovered my weakness in the multimeter area. I have one but need coaching on how to check the stuff you mentioned and also conduct continuity and/or resistance tests on switches. I guess I need a Volt-Ohmmeter Book for Dummies.
Mar 11, 2019 at 5:12 PM
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SATURNTECH9
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Lets make things a little simpler for now do you have a test light?
Mar 11, 2019 at 5:12 PM
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SATURNTECH9
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We can use a test light to check the switch and trace power.
Mar 11, 2019 at 5:12 PM
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JIMMER24
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Assume that I do and I'll get one if I don't have it.
Mar 11, 2019 at 5:12 PM
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SATURNTECH9
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Alright you know how to use a test light right?You ground thr aligator clip and use the tip to check for power if it lights up bright you have power.Use the test to check what i asked you to check.Let me know what you find.
Mar 11, 2019 at 5:12 PM
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JIMMER24
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Will do and circle back once I get home.
Mar 11, 2019 at 5:12 PM
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SATURNTECH9
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Ok sounds good.
Mar 11, 2019 at 5:12 PM
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JIMMER24
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Can I ground the clip to anything metal in the car?
Mar 11, 2019 at 5:12 PM
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SATURNTECH9
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Find a good clean chunk of metal like the dash carrier etc then touch the tip of the test light to a know good power source to make sure you have a good ground.Also see if you can find a computer safe test light.
Mar 11, 2019 at 5:12 PM
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JIMMER24
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Roger that.
Mar 11, 2019 at 5:12 PM
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JIMMER24
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Here's my update:

1. Checked all connections to drivers side power windows master switch and only two connections lit up the test light. You wanted to assess the connection associated with the blue wire with black stripe. It had NO juice. Also tested all connections with multimeter in DC Volt mode and got no readings.

2. The only connections for the master switch that lit the lamp were these 2 wires: White with gray spots & Green with white stripe.

3. Checked both fuse connections for power windows located in the kick panel on passenger side. Both are 20 amps. #8 and #15 both lit the lamp and showed voltage on multimeter.

Hope this info helps in continuing the diagnosis of the problem.
Mar 11, 2019 at 5:12 PM
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SATURNTECH9
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So the number 8 fuse had power to both sides of the fuse with the key in the run position?Alright you never checked with the key in the run position the blue wire with the black stripe at the front passenger side window switch to see if it had power?If it does then move the switch to the down position the blue wire with a white stripe should have power?Then move it to the up position then the blue wire with the yellow stripe should have power?
Mar 11, 2019 at 5:12 PM
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JIMMER24
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OK - I'll give that a shot on the passenger side.

FYI - the test I performed on the connections to the master switch were made while the switch was detached. I'm assuming it's gotta be detached to test the wires.
Mar 11, 2019 at 5:12 PM
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SATURNTECH9
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To check for the power inputs thats fine to have the switch disconneted.But it will have to be hooked up to check the passenger front door switch when checking for power when moving the switch in the up and down position.You will have to gently pierce the insulation of the wires with the meter leads or test light probe.
Mar 11, 2019 at 5:12 PM
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JIMMER24
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Just tested blue wire with black stripe on passenger side PW switch connector and it registered 12.4 volts with ignition in on position. Will now test the other 2 wires with switch attached.
Mar 11, 2019 at 5:12 PM
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SATURNTECH9
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Alright keep me posted.
Mar 11, 2019 at 5:12 PM
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JIMMER24
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I was able to put the pointer of the multimeter into the wire slot for both wires to check voltage for up and down commands.
Here are the results:

1. Blue Wire with White Stripe registered 12.25 volts while in down position AND at rest.

2. Blue Wire with Yellow Stripe registered 12.25 volts while in up position AND at rest.
Mar 11, 2019 at 5:12 PM
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JIMMER24
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Do I need to test any specific wires on the master switch while it's connected and get a reading while the passenger PW lever is engaged up and down?
Mar 11, 2019 at 5:12 PM
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SATURNTECH9
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Were still on the passenger side switch if the blue wire with a white strioe and the blue wire with a yellow stripe both had power without operating the switch then those werent the switch output wires.I posted a wire diaqgram to show you where the correct wires are.Pins 1 and pins 4 on the connector.It shows those two colors going to the motor in the diqagram.
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Mar 11, 2019 at 5:12 PM
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JIMMER24
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Thanks for the schematic. Will check again.
Mar 11, 2019 at 5:12 PM
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SATURNTECH9
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Your welcome keep me posted.
Mar 11, 2019 at 5:12 PM
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JIMMER24
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Well - the mystery is over. The original PW switches that I thought were permanently fried by the rain have completely dried out and now work. The used ones I bought were discovered to be 20002 versions rather than 2000. Turned out to be incompatible with tmy 2000 wiring. Please accept my apology for this snafu. Your time is precious and I feel bad that I wasted it. On the bright side, I learned a lot about testing wires via the multimter and I owe you thanks for tgat new knowledge. Best Always, Jimmer24
Mar 11, 2019 at 5:12 PM
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SATURNTECH9
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Your welcome thats what were here for dont feel bad even the pros can make compatibiity mistakes.Glad to hear you got it fugured out though.
Mar 11, 2019 at 5:12 PM
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JSTNKBOARD
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Hey guys, I know this was discussed in 2012, but I was wondering about mine as well, altough mine is a 2002, but same problem no CTRL via passenger/driver CTRL window switches. Thanks in advance
Mar 11, 2019 at 5:12 PM
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STRAILER
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Hello,

It sounds like the main switch (drivers side) is out which controls the entire system. Here is a guide that will help you see what you are in for when changing the switch.

https://www.2carpros.com/articles/electric-window-repair

and

https://youtu.be/HBFBcJrdym4

Here are some diagrams (below)

Please let us know what happens, we are interested to see what it is.

Cheers, Ken
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Mar 11, 2019 at 5:12 PM