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Post by AmunRoo on Oct 25, 2017 1:52:37 GMT -6
I tried searching on here with a lot of the stuff that comes up is basically for the classic and the little bit that does come up for the 2nd gen is the bad element suggestion.
I have power to the driver's seat and it heats up real nice. If I pulled a switch and move it over to the passenger side, the switch works. So I'm basically not getting any power to the passenger side switch. The fuse is good and all the wires seem like they're intact. I'm really hoping it could be something I haven't thought of because I don't want to rip the seat apart to look at the element. The wires underneath the seat are all in good condition and so is the terminal.
Any thoughts or ideas would be greatly appreciated.
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RCA1186
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Rob
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Post by RCA1186 on Oct 25, 2017 6:16:43 GMT -6
Kind of confused here. The passenger heated seat isn't working? The passenger side switch lights up when you press it, or no? Try switching the heated seat modules between the two and see if the problem follows.They should be just under the seat (at least they are in the classic) From what I have seen in the second gen most problems are indeed caused by a broken element.
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Post by AmunRoo on Oct 25, 2017 11:28:25 GMT -6
The switch works for the passenger side. I unplug the terminal from the driver's side and plugged it into the passenger side and it lit up and activated the driver side seat. So I know that the switch works. I'm under the assumption that I'm not getting power to the passenger side terminal. But I can't find any broken connections or wires. I'm not sure what you mean by module under the seat. There is a big terminal connection underneath the seat that basically wires everything together. The airbags, the heated seat, the power seat motors.
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RCA1186
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Rob
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Post by RCA1186 on Oct 25, 2017 13:02:10 GMT -6
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Post by sempar on Oct 25, 2017 16:01:47 GMT -6
If the passenger side switch turns on ( LED lights ) but turns off a second later, in all likelyhood, you have a broken wire on the passenger seat bottom or seat back grid. Since the grids are are in series, if you don't find the problem with the seat cushion grid, it'll be in the backrest grid.
John
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Post by AmunRoo on Oct 25, 2017 16:44:35 GMT -6
When I pulled a switch for the driver side and connected to the passenger side, it'll activate the heated seat element. It'll stay on and work properly. The passenger side terminal and doesn't seem to have any power. I don't think it's an element issue. I can't seem to find any breaks in the wiring either.
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Post by AmunRoo on Oct 25, 2017 16:45:55 GMT -6
I want to take a trip to the junkyard and see what I can find over there
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tigger
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Post by tigger on Oct 25, 2017 21:57:16 GMT -6
Okay, I'll take a shot, lol! This is what I think that you are saying; If you connect the driver's side switch harness to the passenger's side switch, the passenger's side switch WILL control the driver's side heated seat (i.e. HI//LO/OFF), confirming that the passenger's side switch is functional. However, the passenger's side switch WILL NOT control the passenger's side heated seat when connected to the passenger's side switch harness, indicating that the passenger's side switch is not receiving power, ground, or both. If that is the true; All power to the switch comes through the heated seat control module... Check C1 Pin A (ORN wire) for battery voltage. Check C1 Pin B (BRN wire) for ignition voltage. I guess it could be a Rear Integration Module (RIM) issue as well, never heard of it though...
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Post by AmunRoo on Oct 26, 2017 4:05:26 GMT -6
Tigger, you're awesome! That's exactly what I was saying, just not as sciencey lol
I'll be checking out the module this weekend...
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RCA1186
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Rob
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Post by RCA1186 on Oct 26, 2017 7:05:30 GMT -6
Also you can use a multimeter to check for breaks in the element by simply connecting the meter to the plug for each element and checking for continuity. At least this is possible in the classic.
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tigger
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Post by tigger on Oct 26, 2017 17:47:50 GMT -6
^Yep, Pin A (RED) and Pin C (BLK) on C2 at the module.
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Post by sempar on Oct 27, 2017 15:15:03 GMT -6
Just to add, the resistance should be less than 5 ohms between Pin A and C. If it's infinite or a very high value there is a break in the seat element wire. You can also check the thermistor value as well. Resistance between pin D and F should be between 850 Ohms and 11.5 Kohms. Resistance will vary depending on seat temperature. If it's outside this range with the seat cushion near normal temperature the thermistor is bad.
John
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