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2001 gs300 aristo swap won't rev past 3000

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Old 07-30-17, 07:28 PM
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AristoJ
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Originally Posted by K3nnydie
Have you found out your problem because I'm having the same issues Not Revving Past 3k RPM ?
Yes I found the problem this morning. It was a pin in the grey plug. I did not receive the termination caps with my swap. I have searched and searched on how to re wire the grey plug but found nothing. Finally I just looked at my gs300 harness and compared them. I saw two wires that needed moved to be the same as the gs300 plug. So I moved a red wire with blue stripe to get my e shift to work. This morning I moved a black wire with red stripe and it gave me the 12 voltz at my maf plug and o2 sensor! Finally got it. I do still have a bit of low idle but I'm sure it's a vacuum line somewhere. If you need a pic of how my grey plug looks I can send you one to compare.
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Old 07-31-17, 10:09 AM
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Originally Posted by AristoJ
Yes I found the problem this morning. It was a pin in the grey plug. I did not receive the termination caps with my swap. I have searched and searched on how to re wire the grey plug but found nothing. Finally I just looked at my gs300 harness and compared them. I saw two wires that needed moved to be the same as the gs300 plug. So I moved a red wire with blue stripe to get my e shift to work. This morning I moved a black wire with red stripe and it gave me the 12 voltz at my maf plug and o2 sensor! Finally got it. I do still have a bit of low idle but I'm sure it's a vacuum line somewhere. If you need a pic of how my grey plug looks I can send you one to compare.
I do have that Grey cap installed it came with my Swap .....Maybe I'm having the same issue with my MAF Sensor it cranks up and start the engine as soon as i Disconnect the MAF PiPe from the Single Turbo the car dies Out ... should it keeps my engine running even if its Not getting Air Flow Through the sensor?
Old 07-31-17, 10:19 AM
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Originally Posted by K3nnydie
I do have that Grey cap installed it came with my Swap .....Maybe I'm having the same issue with my MAF Sensor it cranks up and start the engine as soon as i Disconnect the MAF PiPe from the Single Turbo the car dies Out ... should it keeps my engine running even if its Not getting Air Flow Through the sensor?
what codes are you getting ? Check and make sure you're getting 12 volts at the maf plug
Old 07-31-17, 10:23 AM
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Originally Posted by AristoJ
what codes are you getting ? Check and make sure you're getting 12 volts at the maf plug
How do I check that? Thanks
Old 07-31-17, 11:56 AM
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Originally Posted by K3nnydie
How do I check that? Thanks
if you are getting a check engine light ... the get a jumper wire and go the diagnostic terminal on your harness. Should be right by the ecu box behind drivers headlight. You're going to place that jumper wire in terminals E1 and Tc. Then turn the key to the on position but don't start it. Your check engine light will flash. You count the flashes.
Old 07-31-17, 03:24 PM
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Originally Posted by AristoJ
if you are getting a check engine light ... the get a jumper wire and go the diagnostic terminal on your harness. Should be right by the ecu box behind drivers headlight. You're going to place that jumper wire in terminals E1 and Tc. Then turn the key to the on position but don't start it. Your check engine light will flash. You count the flashes.
ok let me try that out and let you know what came up
Old 07-31-17, 04:22 PM
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it flashes 8 times than it pauses than flashes 8 times again...
Old 07-31-17, 04:41 PM
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how do i know when to stop counting them because it pauses an flashes again ?
Old 07-31-17, 07:23 PM
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How r u making out with your wiring.
Old 08-01-17, 06:20 AM
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Originally Posted by K3nnydie
it flashes 8 times than it pauses than flashes 8 times again...
The first flashes are 10's ... so a long flash would be 10. Then it will pause and flash again , those will be singles. So if it goes... flash, flash, pause flash flash ... it would be 22
Old 08-01-17, 08:51 AM
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Originally Posted by AristoJ
The first flashes are 10's ... so a long flash would be 10. Then it will pause and flash again , those will be singles. So if it goes... flash, flash, pause flash flash ... it would be 22
ok so if it flashes 8 time pause flashes 8 time again thats code 88 am I correct ? thanks
Old 08-01-17, 07:44 PM
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Today i did try it again its code 89 what can this be ?
Old 08-02-17, 04:18 AM
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Originally Posted by K3nnydie
Today i did try it again its code 89 what can this be ?
any way you can get a video of it flashing? Might be able to help you count the flashes
Old 08-02-17, 08:19 AM
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Originally Posted by AristoJ
any way you can get a video of it flashing? Might be able to help you count the flashes
ok sure i will have one soon...
Old 08-02-17, 02:11 PM
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code 89 is "Trac ECU circuit"



All conditions below are detected for 5 secs. or more:

(a) No.1 vehicle speed sensor: 9 km/h (5.6 mph) or more

( Mirror check of TRAC ECU input signal is abnormal.

© TRAC ECU input signal does not inform to ECM.

(d) TRAC ECU input signal order is abnormal.


Others say it is a throttle body code and have subsequently fixed it by replacing the throttle body and/or calibrating the adjustment idle screw or tps sensor


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