No overdrive and overdrive light flashing.


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 Post subject: No overdrive and overdrive light flashing.
PostPosted: Wed May 11, 2011 3:14 pm 
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Hard Yaka

Joined: Wed May 11, 2011 3:02 pm
Posts: 109
Location: Clevedon, Auckland
My surf wont go into 4th gear changes real slow from 1st 2nd and into 3rd, and my overdrive light is flashing on my dash.

Any ideas on what could be causing this? Has done it ever since i bought it.

Fault code shows ecu not getting a speed reading or something but my speedo is still conected.


HELP! haha

Cheers

Hugo


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 Post subject: Re: No overdrive and overdrive light flashing.
PostPosted: Wed May 11, 2011 3:18 pm 
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Hard Yaka
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Joined: Tue Sep 15, 2009 4:03 pm
Posts: 2043
Location: Massey, Auckland
The speed sensor in the box may be faulty. Toyota use two normally, one at the box and one in the speedo unit.
Check you wiring under the truck to see if you have snagged the plug...
Could also be a bad connection.

Other than that you could have had a solenoid go in the box.

There are heaps of info on the net re the a340 auto...

Calvin

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Cheers Calvin
KZJ78 Landcruiser Prado...


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 Post subject: Re: No overdrive and overdrive light flashing.
PostPosted: Wed May 11, 2011 3:55 pm 
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Hard Yaka

Joined: Fri Jun 30, 2006 7:00 pm
Posts: 1769
Location: Christchurch
Sounds like your ECU has gone faulty.Its a known fault , some of the capators will need to be replaced as they leak over time.Often when they leak tracks on the board corrode.
I suggest you find someone with the same ECU , borrow it & see if it fixes the problem.


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 Post subject: Re: No overdrive and overdrive light flashing.
PostPosted: Wed May 11, 2011 4:06 pm 
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Hard Yaka

Joined: Wed May 11, 2011 3:02 pm
Posts: 109
Location: Clevedon, Auckland
Have tryed this. Also replaced the caps in my ecu. Nothing.. :(


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 Post subject: Re: No overdrive and overdrive light flashing.
PostPosted: Wed May 11, 2011 4:12 pm 
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Hard Yaka

Joined: Fri Jun 30, 2006 7:00 pm
Posts: 1769
Location: Christchurch
What model , & year is it .& what code comes up ?


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 Post subject: Re: No overdrive and overdrive light flashing.
PostPosted: Wed May 11, 2011 4:19 pm 
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Hard Yaka

Joined: Wed May 11, 2011 3:02 pm
Posts: 109
Location: Clevedon, Auckland
1994 and its a kzn130. Not sure on the exact code.


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 Post subject: Re: No overdrive and overdrive light flashing.
PostPosted: Wed May 11, 2011 4:31 pm 
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Hard Yaka

Joined: Fri Jun 30, 2006 7:00 pm
Posts: 1769
Location: Christchurch
Here is how to find the code.

NOTE: Not all trouble codes will activate MIL (CHECK ENGINE light)

* Before proceeding, make sure the:
o CHECK ENGINE light circuit is functional. It should be ON when the ignition switch is ON with the engine stopped.
o Battery voltage is above 11 volts.
o Throttle valve is fully closed (Throttle Position Sensor IDL points closed).
o Accessory switches (A/C, etc.) are OFF.
o Engine is at normal operating temperature (if possible).
* Turn ignition switch to ON position.
o Do not start the engine.
o Place a jumper wire across TE1 and E1 terminals in engine check connector.
* Count number of flashes from CHECK ENGINE light.
o If system is operating normally (with no detected faults), the CHECK ENGINE light will blink continuously
and evenly about 2 times a second.
* Otherwise, the light will blink a number of times equal to the trouble code as follows:
o The light blinks only (.5 second ON, .5 second OFF) when indicating a number.
o The light will be OFF for 1.5 seconds between the first digit and the second digit of the code.
o If more than one code is stored, the light will be OFF for 2.5 seconds before the next code is displayed.
o Once all code(s) have been displayed, the light will be OFF for 4.5 seconds and then the whole sequence will repeat.
* The diagnostic code series will continue to repeat as long as the check connecter terminals TE1 and E1 are connected.
* When finished, remove the jumper wire.
* After repairing the malfunction, clear the codes from the ECUs memory.


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 Post subject: Re: No overdrive and overdrive light flashing.
PostPosted: Wed May 11, 2011 4:35 pm 
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Hard Yaka
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Joined: Tue Sep 15, 2009 4:03 pm
Posts: 2043
Location: Massey, Auckland
Have a read thru the tech articles at this website.
Tells you all about how Toyota run the auto's, diag, repair, etc etc
Excellent resource.

http://www.autoshop101.com/

Calvin

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Cheers Calvin
KZJ78 Landcruiser Prado...


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 Post subject: Re: No overdrive and overdrive light flashing.
PostPosted: Wed May 11, 2011 4:37 pm 
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Hard Yaka

Joined: Wed May 11, 2011 3:02 pm
Posts: 109
Location: Clevedon, Auckland
Just had a look at the trans loom and pulled it out of the plastic. Found a funky join. Black wire with a red stripe, anyone know what this is?


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 Post subject: Re: No overdrive and overdrive light flashing.
PostPosted: Wed May 11, 2011 4:53 pm 
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Hard Yaka

Joined: Fri Jun 30, 2006 7:00 pm
Posts: 1769
Location: Christchurch
Well if the join dont look too good repair it ....pity you dont have the code as that will narrow where the fault is.
When the OD lightflashes the "Electronic control system is faulty "
Will most likely be code 42 ,61, 62,63 ,64 or 65 .


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 Post subject: Re: No overdrive and overdrive light flashing.
PostPosted: Wed May 11, 2011 5:10 pm 
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Hard Yaka

Joined: Wed May 11, 2011 3:02 pm
Posts: 109
Location: Clevedon, Auckland
Will get the code tonight. Wire was still conected just had been cut at some stage.


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