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Location:
townsville NQLD
Registered:
February 2004
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Problems with my 1G-GTE - need help - code 16
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Sat, 24 September 2005 10:26
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after gettin my 1G-GTE RA40 celica running (its a manual), i took it for a drive and something weird happened. i was going along, turbos were probly just starting to spool and the engine died for a second without warning. i kept driving and was about 300 metres further along the road and it died again without warning. i gave it a second , cranked it over and it started no problems. then i just parked it in the shed.
i checked the check engine light and got the following codes;
- 14. according to toymods tech articles this is ignitor related. at the moment, the coil pack is bolted to the engine bay with one M6 bolt (tempory). could it be a earthing issue maybe?? 
i assume this is the cause of the dieing whilst driving??
-16
in the toymods 1g diagnostics table thing there is no listing for a code 16 . however after searching the forums i found this;
| ddeane wrote on Sat, 30 November 2002 17:55 |
Gee I hope u have not taken the car for a drive yet 'cos u will be real disappointed. Check light 16 refers to the knock sensors - which means the the ecu will have reacted and retarded the ignition lots - the car will run like a dog. Most likely cause will be loose plug on one of the knock sensors. There are 2 of them and they are located under the inlet manifold.
Unless u have also swapped over the speedo U will also have a check light 42 when u get the beast on the road. This is easy to get around just use a cruise control pickup on the tailshaft. A 42 appears if the engine runs for 3,000 rpm for longer than 20 secs while stationary!
Craig
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from this thread;
http://forums.toymods.org.au/index.php?t=msg&t h=7009&rid=4696&S=a6be19aef9614f10e396455e 3475a1a7&pl_view=&start=0#msg_57518
another thing to note is that while the engine is idleing, it splutters a bit, like popping sound. could this be the ECU going into "protect engine mode" and retarting the timing?? - due to the code 16?
the engine seems to go fine whilst driving though.
im totally confused now. help me!!! 
thanks in advance
brett
edit; something else weird is that the idle stepper motor seems to be dead. after the first ever time i started it, it seemed to be jammed open. the engine would idle high and once it started to warm up, it wouldnt idle properly. it would go; idddddddddllllleeeeee(2 secs)......ddddddiiiiieeeeeee(2 secs)....iiiiiiddddddddd....etc.
so what i though with that, is that the ecu though the engine was idleing while there was infact a whole heap of air bypassing the TB - ie fuel not being kept up.
could it be that i forgot to connect an earth wire or a postive in the loom somewhere that supplies power to either the knock sensors of idle stepper motor?????
[Updated on: Mon, 26 September 2005 00:42]
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Location:
Adelaide, SA
Registered:
May 2002
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Re: Problems with my 1G-GTE - need help
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Sat, 24 September 2005 13:29
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RE: the idle hunting issue, it's the ISCV not getting power, get out your multimeter and see for yourself - the 1g wiring diagrams should help you figure it all out.
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Location:
townsville NQLD
Registered:
February 2004
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Re: Problems with my 1G-GTE - need help
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Mon, 26 September 2005 00:35
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okay, forget the code 14, it was a loose wire.
so...., can anyone confirm/dismiss the code 16???
thanks
brett
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Location:
sydney
Registered:
March 2003
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Re: Problems with my 1G-GTE - need help - code 16
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Mon, 26 September 2005 01:12
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i thought code 16 was to do with asutomatic transmission
usually the knock sensor is code 52 or 53
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Location:
townsville NQLD
Registered:
February 2004
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Re: Problems with my 1G-GTE - need help - code 16
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Mon, 26 September 2005 01:37
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just to clarify, it has "M/T" sticker on the ECU box so i assume that means manual transmission. and yes, it has got a manual gearbox.
could it be speed sensor related thing?? the engine is in my RA40 so there is no speed sensors hooked up.
okay.........just took it for a drive with both knock sensors disconnected. low and behold, it threw a code 52. however, code 16 was still being thrown though
could the code 16 be idle SV (whatever its called) related?? ill go out and check that there is power being fed to it later
brett
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On Probation
Location:
nsw
Registered:
March 2004
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Re: Problems with my 1G-GTE - need help - code 16
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Mon, 26 September 2005 01:56
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The 1G coil/igniter grounds through its base so if u dont have good contact/earth it will be a little bitch 
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Location:
sydney
Registered:
March 2003
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Re: Problems with my 1G-GTE - need help - code 16
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Mon, 26 September 2005 02:33
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my friends 1ggte used to thro out code 16
i could not find what it was except some toyotas had code 16 for the auto
i just said to him to put switch on the ecu light or not worry bout code 16
i know some 1ggs have a knock control box i think
maybe its something to do with that
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Location:
Adelaide, SA
Registered:
May 2002
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Re: Problems with my 1G-GTE - need help - code 16
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Mon, 26 September 2005 05:04
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My 1g-gte M/T is throwing out a code 51... only just started to happen, really odd! Apparently its the neutral start switch or A/C switch - neither of which are in the wrong!
It's causing me a few headaches because the car seems to be running richer than normal and the idle is high and a bit rough...
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I supported Toymods
Location:
Australia
Registered:
November 2003
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Re: Problems with my 1G-GTE - need help - code 16
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Mon, 26 September 2005 05:54
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| HyDrA wrote on Mon, 26 September 2005 13:04 |
My 1g-gte M/T is throwing out a code 51... only just started to happen, really odd! Apparently its the neutral start switch or A/C switch - neither of which are in the wrong!
It's causing me a few headaches because the car seems to be running richer than normal and the idle is high and a bit rough...
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51 means you haven't hooked up something properly.
In a factory car, it means the auto is not in P or N, OR that the fan and AC are turned on.
ie, its not in the proper mode for diagnostics.
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Location:
Pine Rivers QLD
Registered:
April 2005
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Re: Problems with my 1G-GTE - need help - code 16
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Mon, 26 September 2005 06:05
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My 1G has throws 51. but since i am using the old loom to actually start the car i didn't wire the N/S but i have just ignored it, i will wire it one day  .
As for an ECU with M/T i am not sure if the gen3's are any different to the gen 2's but all of them are manual ECU's, and they come with a separate "add on" for the auto's.
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Location:
Adelaide, SA
Registered:
May 2002
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Re: Problems with my 1G-GTE - need help - code 16
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Mon, 26 September 2005 06:30
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CrUZida, the only reason i'm puzzled is because I haven't change a thing, and never have seen the code pop up before
I am going to go over the wiring tommorow or tonight.
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Location:
Brisbane
Registered:
May 2002
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Re: Problems with my 1G-GTE - need help - code 16
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Mon, 26 September 2005 08:42
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| ndgcpr wrote on Mon, 26 September 2005 16:05 |
My 1G has throws 51. but since i am using the old loom to actually start the car i didn't wire the N/S but i have just ignored it, i will wire it one day .
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You didn't wire in +12v to the ECU via the STA wire when it is cranking? Or you just haven't shorted the NSW switch in the 1G loom (so the ECU doesn't get +12v at the NSW pin when cranking, but still gets voltage at STA...).
Cheers
Wilbo
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Location:
Pine Rivers QLD
Registered:
April 2005
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Re: Problems with my 1G-GTE - need help - code 16
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Mon, 26 September 2005 09:15
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just haven't shorted the switch. i still wired the 12 STA signal. i will get around to it. it will take me all of 1/2 a second to do
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Location:
sydney
Registered:
March 2003
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Re: Problems with my 1G-GTE - need help - code 16
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Mon, 26 September 2005 09:50
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toyota likes to use same codes thru most of the engines
code 16 for a 1j and also for a 1uz has something to do with
the automatic transmission
says a transmission control signal problem
what about the neutral start switch
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Location:
townsville NQLD
Registered:
February 2004
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Re: Problems with my 1G-GTE - need help - code 16
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Mon, 26 September 2005 11:18
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| sideshow wrote on Mon, 26 September 2005 19:50 |
toyota likes to use same codes thru most of the engines
code 16 for a 1j and also for a 1uz has something to do with
the automatic transmission
says a transmission control signal problem
what about the neutral start switch
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very strange considering as far as i kno, this engine has always been a manual transmission.
the engine is a gen3 so it was probly made in 1989/1990.
is there a code for the ISVS (whatever it's called ) because having it unplugged doesnt make the ECU throw any other codes.
another thing to consider; i disconnected the battery for 10mins and reconnected it. without starting it, the code was flashed imediately
its got me bluffed.
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Location:
sydney
Registered:
March 2003
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Re: Problems with my 1G-GTE - need help - code 16
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Mon, 26 September 2005 11:29
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its just one of those weird things
i have th ejapanese workshop manual on a 1ggze and it doesnt have anything on code 16
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I supported Toymods
Location:
Australia
Registered:
November 2003
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Re: Problems with my 1G-GTE - need help - code 16
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Mon, 26 September 2005 13:32
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| brett_celicacoupe wrote on Mon, 26 September 2005 19:18 |
another thing to consider; i disconnected the battery for 10mins and reconnected it. without starting it, the code was flashed imediately
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That usually means a sensor is out of spec, or possibly the ecu is fried.
Can you try another ECU?
Also, check the continuity of every sensor from the ecu plugs.
Check it against the 7MGE TSRM.
Make sure all sensors are within spec.
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Location:
Sydney
Registered:
May 2002
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Re: Problems with my 1G-GTE - need help - code 16
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Mon, 26 September 2005 23:15
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hows it drive now?
is code 16 giving you any driving issues?
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Location:
townsville NQLD
Registered:
February 2004
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Re: Problems with my 1G-GTE - need help - code 16
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Tue, 27 September 2005 11:22
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| Bugman wrote on Tue, 27 September 2005 09:15 |
hows it drive now?
is code 16 giving you any driving issues?
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car seems to drive fine although i assume it hasnt been fully boosted yet. IC is bolted in place but not connected. i got a dodgey (temporary) flex hose that joins the IC pipes.
time will tell i guess
being in townsville, i suspect that i would own the only 1ggte in town - but if the code 16 seems to affect the drivability/performance ill have to organise a test ecu.
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