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My caldina had check light code p 1653 scv what does this mean

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Scv for toyota caldina
My caldina had check light code p 1653 scv what do - 9_22_2018_12_41_43_pm.jpg

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P1653 SCV Circuit Malfunction / 58
Here is a pdf of codes for Toyota/Lexus
Note: Not all trouble codes are used on all models

Posted on Apr 15, 2015


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Toyota noah p1653 scv motor system, what does it mean?

The code reads as:
P1653 = SCV Circuit Malfunction / 58
An SCV is a Suction Control Valve. This is a valve that regulates fuel pressure as it reaches the injectors. If it starts to fail, the vehicle will run badly and use more fuel. The vehicle may even refuse to start.
They are not too expensive and a good mechanic will be able to change it quite quickly.

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1Az Toyota voxy Engine is not exlerate and this code appear on dash body P1653 " What the problem..?!

on one of the forum ages code p 1653 refers to SC V motor circuit
toyota recommended the change of both vacuum valve assembly parts T25860, -OHO30 and T25860-28070
the c person asking the question replaced the units and to date the problem was fixed
go google and type in as this is a forum page and most replies state that it is a vacuun valve assembly problem
one person had this to say the following malfunctions were experienced
VCS, VCSoff and engine check light on
the gear is alternately was stuck on overdrive --stay at the 3rd gear ( the od light not on)
the computer code reported a p1653 malfunction code
after replacing the vacuum valve assembly the symptoms went and haven't come back
any way go google and type in-- fault code p 1653 for toyota --and search pages to get a better understanding of what is wrong

Dec 10, 2015 | Toyota Cars & Trucks

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There is a light in my rav 4 it shows an engine problem. What is scv ad how can it be dealt with

Do you mean VSC= vehicle stability control light
Scv may be for radio. Speed control volume.
Check engine light is on, where did you see this scv light?

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What is the meaning of p1653 scv motor circuit fault code on toyota rav4 1az 2001 engine

P1653 SCV Circuit Malfunction
This could be caused by the oil control valve, low oil level, infrequent oil changes, a fault in the wiring to the valve or a bad PCM. What is odd is that the code is not listed in my information database.

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Caldina won't idle

s the check engine light on? If it is, take the car to an autoparts store and have them use a scan tool to retrieve any fault code(s) that are stored in the computer. Most parts stores provide this service at no charge. The codes will help identify the problem. I would suspect a faulty Idle Air Control valve. It is on the throttle body and provides info to the computer that is used to regulate engine idle speed. That is just speculation. The code or codes will help narrow down the problem. Hope this helps and best wishes.

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What does SCV mean isuzu alterra?

Welcome to It means Suction Control Valve (SCV)
Thank you for Using Kind Regards, Lee Your FixYa Expert and Master Technician

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2 Answers

1997 Toyota Caldina GT-T 3S-GTE

Hi there,
As you say the tacho/speedo come "back up to normal" after the incident, I assume that they either stop working or become erratic while the dash lights are misbehaving.
If so, this sounds like a dash wiring electrical problem.
The O/D OFF light is lit by the switch on the shifter (switch also inputs to the ECU). The ENGINE light is driven also from the ECU but the SLIP light is driven from the ABS/VSC computer, although these two computers do communicate.
Best plan of attack would be interrogate the ECU for error codes or ask a Toyota dealer to do so. At least you'll have some clue to any problems that the ECU's may have picked up.
Contact me about checking for ECU error codes if you want to attempt it yourself. Although the Caldina has an OBDC2 connector, as I understand it it's not 100% compliant, so you'll need a Toyota compatible reader. Fortunately teh codes are also output via the CHECK ENGINE light.
If there's no problems there, I'd be pulling the instrument cluster and checking for wiring problems. I'm not sure where in the world you are but most ex- JDM vehicles could have modified with timers, speed-cut or fuel-cut devices that either have been poorly installed or are playing up and causing electrical problems.

Aug 08, 2009 | 1997 Toyota Camry

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