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Location:
Sydney
Registered:
December 2003
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4age Engine check light
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Mon, 09 February 2004 04:36
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My engine check light comes on when i hit 4k rpm.
Is there any way I can check what the problem is. If so how because I have no idea.
Aren't there 2 pins i can short in the diagnosis thingy and get the error codes somehow. If I can what do the engine codes mean or where can I find them?
Thanks
Andrew
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Club Member
Location:
sydney
Registered:
May 2002
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Re: 4age Engine check light
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Mon, 09 February 2004 05:29
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short T1 and TE1 and count the number of flashes the engine warnign light gives
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Location:
Ipswich
Registered:
May 2002
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Re: 4age Engine check light
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Mon, 09 February 2004 12:32
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Where does the diagnostics box usually sit? Based on my wiring loom I'm guessing it's usually in the engine bay? Why put that in the engine bay when the check engine light is in the cabin? Wouldn't that make it kinda hard to check the number of flashes if you're by yourself?
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Location:
Sydney
Registered:
December 2003
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Re: 4age Engine check light
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Tue, 10 February 2004 02:07
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It doesnt start till you turn it on to reds. Its in the engine bay says diagnostics on top of it.
THe errors I got were 12, 43, 52
Any idea what they are?
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Location:
Sydney
Registered:
December 2003
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Re: 4age Engine check light
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Tue, 10 February 2004 02:13
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found them
Diagnostic Trouble Codes - 1991
Toyota
12 Engine RPM Signal.
13 Engine RPM Signal.
14 Ignition Signal.
16 ECT Control Signal.
21 Oxygen Sensor (OS) Signal.
22 Water Temperature Sensor (THW) Signal.
24 Intake Air Temperature Sensor (THA) Signal.
25 Air/Fuel ratio lean.
26 Air/Fuel ratio rich.
27 Sub-oxygen sensor signal.
31 Air Flow Meter Signal.
32 Air Flow Meter Signal.
41 Throttle Position Sensor (TPS).
42 Vehicle Speed Sensor (VSS) Signal.
43 Starter Circuit Signal.
51 Switch Condition Signal.
52 Knock Control Signal.
71 EGR system malfunction.
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Location:
Ipswich
Registered:
May 2002
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Re: 4age Engine check light
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Tue, 10 February 2004 03:02
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Ah, righty-o  In my case my diagnostics box is sitting on the floor (along with the rest of my loom  )
Hmm... based on your signals I'm guessing your car is knocking when it hits 4K?
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Club Member
Location:
sydney
Registered:
May 2002
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Re: 4age Engine check light
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Tue, 10 February 2004 05:22
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looks like your knock sensor is stuffed
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Location:
Epping, Sydney
Registered:
April 2003
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Re: 4age Engine check light
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Tue, 10 February 2004 05:24
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yep common problem I think.. my mates fell off when we re-did his head gastket on his 4age
light came on.. codes pointed to the knock sensor which was just dangling between the firewall and the block! 
plugged a second hand one in and reset the puta and everything was schweet!
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Location:
Sydney
Registered:
December 2003
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Location:
c'town, NSW
Registered:
May 2002
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Re: 4age Engine check light
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Wed, 11 February 2004 04:25
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| Kahless wrote on Wed, 11 February 2004 12:55 |
I dont mean to but I thrash it a bit.
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dude. its ok to admit u thrash your engine. we are all car enthusiasts here, we understand man  
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Location:
Sydney
Registered:
December 2003
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Re: 4age Engine check light
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Thu, 12 February 2004 14:38
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 ok it gets thrashed alot, especially when I leave it at home and half the world tells me its a nice car to drive on my arrival home.
Two different sites said the error 52 is the knock sensor and 53 is the knock sensor bit in the ecu and the ecu is stuffed. I guess I'm looking for a new computer. Where is the ecu located?
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Location:
Sydney
Registered:
December 2003
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Re: 4age Engine check light
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Thu, 12 February 2004 14:48
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all three of the errors the ecu is a possible problem so I'm going to give that a go are the computers the same with all the 100kw 4ages. I have to do alot of work on a friends car tomorrow and he wont notice the computer missing for a few hours  just to test things. His is an ae82
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