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Toyota Camry Fuse and Electrical Questions

871 messages,  Last post on Nov 24, 2009 at 7:28 PM

You are in the Toyota Camry Forum. Your Hosts are pat & karens

What is this discussion about? Toyota Camry, Electrical, Sedan


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#596 of 871
Re: Faulty Integration Relay? [iconoclast187] by kiawah
Jul 05, 2009 (12:36 pm)
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Replying to: iconoclast187 (Jul 05, 2009 12:20 pm)

Let's try to eliminate the relay from being the source of the problem.
 
Here's how to check out the relay, you appear very technical.
 
Take the relay out of the socket, and check it with some wiring you hook up.
 
The primary of the taillight relay, is +13 volts on pin 1, and ground to pin 2. When you apply this voltage, the primary coil of the relay should then connect the secondary points together. The secondary of the relay, are pins 5 and 3. When there is no power on the coil primary, you should have infinite resistance between 5 and 3. So check the resistance between 5 and 3, with nothing else connected to the relay, to verify that you have infinite resistance.
 
Now with two small pieces of wire, hooked to +13volts and ground each, lets test to see that the relay is energizing correctly. When you connect 13volts to pin 1, and ground pin 2, you should hear and feel the relay energize, and you should now have zero resistance between pins 5 and 3. Check to see if you now have zero resistance when the relay is energized.
 
If the relay is working correctly with this test, then the problem is that it isn't getting turned on. That would mean either your light stalk switch is bad, or your integration relay is bad.
#598 of 871
1997 Camry All Four Windows Suddenly Quit by titus_pullo
Jul 06, 2009 (9:41 am)
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I took the driver's side master window switch out and tried another used switch with no results. All 4 windows do not work from the driver's side and the individual switch at each window also do not work.
 
The power door locks on the driver's side works fine. I checked the fuses in the engine bay and also behind the coin compartment (those that are visible) and all seem to appear okay (used a test light).
 
I took a multimeter to test the harness connector of the master window switch and saw no 12V positive power flowing to any of the wires. The insulation on some of the wires between the door jamb seems to be coming off but I tried jiggling them around while operating the window switches and nothing moved. I'm thinking a fuse or a relay that has gone south.
#599 of 871
Re: 1997 Camry All Four Windows Suddenly Quit [titus_pullo] by kiawah
Jul 06, 2009 (11:59 am)
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Replying to: titus_pullo (Jul 06, 2009 9:41 am)

There are 3 fuses that deal with window circuitry in your model year, the:
- 25A door
- 10A gauge
- 30A power
 
Check that they are all good.
 
Cracking insulation is sure recipe to blow fuses
#600 of 871
Re: Faulty Integration Relay? [kiawah] by iconoclast187
Jul 06, 2009 (1:49 pm)
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Replying to: kiawah (Jul 05, 2009 12:36 pm)

We haven't mentioned the windows/door locks recently though, how would the tail & headlight relay effect those?
The inegration relay would obviously but I didn't think the door and window motors were behind the other relays.
I'm at the office without my wiring diagram.
 
Have a good one
#601 of 871
Re: Faulty Integration Relay? [iconoclast187] by kiawah
Jul 06, 2009 (2:38 pm)
Reply

Replying to: iconoclast187 (Jul 06, 2009 1:49 pm)

In your situation with a main voltage spike or reversal, that power could have taken out any number of electronic circuits. In your case we're zeroing in on the relays, the integrated circuit, or the light stalk switch.
 
Once you verify if the relay is good, then the next place to isolate will be the wires to the stalk switch which you can check. You can check those contacts with ohmmeter. If the stalk switch is then good, then you've proven that your IC is the problem. But at this point, it could be either of the three (and I need to reverify with the schematcis that nothing else could be the problem....I'm shooting from memory here which is always dangerous)
 
Assuming that your wiper is continuing to work, and transmission continuing to shift okay.
#602 of 871
Re: Faulty Integration Relay? [kiawah] by iconoclast187
Jul 06, 2009 (8:54 pm)
Reply

Replying to: kiawah (Jul 06, 2009 2:38 pm)

Yea everything else is functioning fine currently, drove the car like usual during the day today.
#603 of 871
Alot of problems:windows/locks taillights/shifter/dash by untold1
Jul 06, 2009 (9:38 pm)
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Hello all,
 
Well I have been working on my Camry 95 V6. Problem I'm having is that I have no tail lights(though the headlights work and the turn signals for the rear work too)/No power to windows or power locks/ the Automatic shifter is locked up/ No lights to the dash either. I have checked the fuses(continuity) and pretty much taken the the whole dash apart. Any insight on how to fix this would be great. Before I pour gas on the car and torch it. lol
#604 of 871
Re: Alot of problems:windows/locks taillights/shifter/dash [untold1] by kiawah
Jul 07, 2009 (3:55 am)
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Replying to: untold1 (Jul 06, 2009 9:38 pm)

Can you tell me whether your backup lights work, or not.
 
If they do not, then I suspect you have a blown 10A Gauge fuse. That 10A Gauge fuse also effects the door locks and windows.
 
and then sometimes the root cause of the 10A gauge fuse blowing, is worn wiring in the trunk, up where the wiring comes from the body and attaches to the moving trunk hinge.
 
But we're getting a little a head of ourselves. Check to see if the backup lights work, and if not, check the 10A Gauge fuse in the drivers knee fusebox. It's in the 2nd column from the left. Swap it with another 10A if you need to.
#605 of 871
Re: 1997 Camry All Four Windows Suddenly Quit [kiawah] by titus_pullo
Jul 07, 2009 (8:03 am)
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Replying to: kiawah (Jul 06, 2009 11:59 am)

Hi Kiawah,
 
Thank you for replying to my problem. The 3 fuses that you mention (25A Door, 10A Gauge, 30A Power) are all these located under the dash by the left knee coin door access?
 
Are there any relays that come into play in my case?
 
Thanks very much.

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