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02-17-2014, 03:55 PM | #19 | |
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Quote:
What software do you use with your ELM? Also, have you ever used Hyperterminal (windows' included terminal emulator)?
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02-17-2014, 04:34 PM | #20 |
Drives: 2008 yaris sedan Join Date: Dec 2013
Location: Canada British Columbia
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the software i use for my elm is proscan and elm scan master
no i have never used hyperterminal |
02-17-2014, 05:18 PM | #21 |
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OK. Proscan has a terminal mode. Do you have a version that let's you get to that mode?
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02-17-2014, 05:48 PM | #22 |
Drives: 2008 yaris sedan Join Date: Dec 2013
Location: Canada British Columbia
Posts: 25
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yes i think my proscan version 5.9 allows me to use terminal mode
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02-17-2014, 06:00 PM | #23 | |
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Quote:
ath1 >OK atsh 7C0 >OK 21 61 >7C8 03 61 61 00 21 24 >7C8 03 61 24 FF 21 E1 >7C8 03 61 E1 00 13 81 >7C8 02 53 00
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02-17-2014, 07:23 PM | #24 |
Drives: 2008 yaris sedan Join Date: Dec 2013
Location: Canada British Columbia
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this is what i got after typing in those codes
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02-17-2014, 07:31 PM | #25 |
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Just to verify, the 7c0 that you entered is 7c zero?
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02-17-2014, 07:38 PM | #26 |
Drives: 2008 yaris sedan Join Date: Dec 2013
Location: Canada British Columbia
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yes i entered a zero
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02-17-2014, 09:11 PM | #27 |
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OK. Try this:
ath1 >OK atsh 7C4 >OK 21 22 >7CC 03 61 22 70 21 E1 >7CC 03 61 E1 00 13 81 >7CC 02 53 0
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02-17-2014, 09:25 PM | #28 |
Drives: 2008 yaris sedan Join Date: Dec 2013
Location: Canada British Columbia
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this what i got
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02-17-2014, 09:35 PM | #29 |
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OK. For the first round I had you talk to the cluster ECU, and it did not reply. For the second I had you talk to the AC ECU and it did reply.
If your meter leads are long enough, with the key off, check continuity between the green cluster wire and the violet wire of the OBD connector and between the white cluster wire and the white on the OBD connector.
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02-17-2014, 11:22 PM | #30 |
Drives: 2008 yaris sedan Join Date: Dec 2013
Location: Canada British Columbia
Posts: 25
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Hi,
I checked for continuity and for both of the wires and the voltmeter indicates a possible break can i simply jump those wires directly to the odometer? |
02-17-2014, 11:41 PM | #31 |
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You could jump them, but the two wires need to be twisted at one twist per inch minimum for the length of the jump.
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02-17-2014, 11:52 PM | #32 |
Drives: 2008 yaris sedan Join Date: Dec 2013
Location: Canada British Columbia
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Thank You so much
By jumping the wires my rpm gauge and gear indicator now work I did jump them but i didn't really understand what you meant by twisting them do you mean they must be connected to each other directly? or simply twisted around each other with no direct connection? Is the jump suppose to make the park brake warning light and door indicator work because those are currently still not working |
02-18-2014, 12:32 AM | #33 |
Drives: 2008 yaris sedan Join Date: Dec 2013
Location: Canada British Columbia
Posts: 25
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Hi,
Do you know if i can simply trace these wires and see how they get to the cluster or do they go through the fuse box or something |
02-18-2014, 06:42 AM | #34 | |
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Quote:
The other thing to check before removing the dash is the connectors on the back of the under dash fuse panel. There are two back there and one is responsible for the CAN bus comm between the cluster and the body ECU, which is how the brake and door info gets to the cluster. And, for the twisting it is simply a case of wrapping the wires around each other.
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Last edited by CTScott; 02-18-2014 at 07:16 AM. |
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02-18-2014, 07:44 PM | #35 |
Drives: 2008 yaris sedan Join Date: Dec 2013
Location: Canada British Columbia
Posts: 25
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I had a look behind the fuse box non of the connectors were unplugged but there are around 6 connectors behind there and i also popped the dash off and the plugs at the junction box seem to be connected there are many plugs at the junction box i tried looking through all of them but if you know the specific one that would help greatly. Otherwise I will check all of them again.
Do know if there is any thing that could be fried between the wiring from the fuse box to the cluster or do you think its the wires that have broken |
02-18-2014, 08:39 PM | #36 | |
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Quote:
The body ECU acts as a junction block for all of the CAN devices, so something damaged within it could be the cause.
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Tags |
cluster, door indicator, gear indicator, parking brake warning, tachometer |
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