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Toyota noah I HAVE A TOYOTA NOAH AND A/C LIGHT IS FLASHING WHEN TURNED ON. NO POWER TO A/C PUMP AND CANNOT FIND RELAY. ANY HELP PLEASE???

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  • 227 Answers

Most likely low on freon, a bad sensor can also cause this.

Posted on Oct 23, 2013

Testimonial: "Found the control unit to be faulty for a/c. Was not earthing the relay. Cheers anyway :)"

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 4102 Answers

SOURCE: Toyota Noah overheating

hi the problem you are having could be down to a few problems, now the first thing i would try is the thermostat you can remove this and place it in boiling water to test if it opens up or not if it dont open up the getting this replaced should solve your problem.

now another thing that could be causing you problems is going to be the water pump now if the bearing has gone it wont be pumping the water properly and this can cause the engine to over heat, it can also over heat if the water pump is leaking and letting in air as the air would cause an air lock and the water would not circulate around the cooling system properly.

you should be able to test the thermostat by trying the heater in the car if you get the engine warm then turn the heater on to hot if the air comes out cold then this indicates the thermostat is stuck in closed possition.

your problem could also be water leak so check your coolant level and see if you are losing any water.

another cause could be that your fan is not cutting in when it should you can test this by leaving your car parked up with the engine running and then when the temp reaches near the red or top of the gauge the fan should cut in and then this should cool the coolant and bring the temp down.

I know you say you have had the head gasket checked but check the oil for signs of water take out he oil level stick and check for signs of a whitish liquid like mayonaise if this is present then this points towards head gasket failure.


I hope i have given you some things to check and look for, you should find your problem if you check the things i have told you, if your fan dont cut in then you need to replace the switch that powers the fan so if you follow the wires from the fan they will go to a switch on the engine's coolant system so if your engine boils up before the fan cuts in then this switch will need replacing.

please bare in mind that the engine over heating can cause the head gasket to fail and even worse it can crack the head, so you need to find the fault as soon as you can to prevent further damage being done to your engine

Posted on May 23, 2010

little_shaws
  • 493 Answers

SOURCE: I need a wiring diagram for 1999 Toyota Noah

Something must be drawing the battry flat. Probably something you can't see. Start by removeing glovebox light & boot light & see if the current drain stops. If it does one of those lights are staying on.

Posted on Jun 29, 2012

  • 91 Answers

SOURCE: my dash light fuse keeps blowing on my 1998 toyota lite ace noah

This is most likely a short. You can test it by using an ohm meter in your fuse box by testing the terminals for where the fuse goes. If it is a short, you will then have to trace the wires in the dash to find out where the bare or broken wire may be.

Posted on Oct 02, 2012

Testimonial: "Yes i was thinking of the same thing but first i wanted to know the fuse box diagram theres not one on this Va its loc behind the glove box you can see the fuse block i wish i had cover on it so it can tell me what is what just like the one in engine caparment.....thanks "

  • 2474 Answers

SOURCE: i need fuse box diagram for my 1998 toyoya lite ace noah

my newest place for great FREE down loads as follows (AA1CAR.COM) its called auto diagnostic & repair help.
please let me know if it's as good for you thanks ,good luck.

Posted on Oct 02, 2012

  • 689 Answers

SOURCE: my toyota noah refuses to revv and the fault code is P1633- computer and auxilliary output. What should I do?

P I633 code is for the Electronic Control Module,

Posted on Nov 13, 2012

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2 Answers

I have got toyota noah which wont start. the cranking its there. battery is good. there is no powere to fuel pump. fuse all ok. even changed the engine control unit.


If the vehicle is fitted with an immobiliser that could be the problem. Have you checked for a spark?

If an immobiliser is fitted the new engine ECU will have to be coded before it will work.

A wiring diagram is almost essential to diagnosing the problem. There is likely to be a relay controlling the supply to the fuel pump but what controls the relay? If the relay is controlled by the engine ECU there will be no supply until the immobiliser is disarmed.

If the vehicle was presented to me I would check for a spark and if a spark is present I would provide a temporary supply to the fuel pump to test if the engine starts, proving the fault is not immobiliser-related but a wiring or switching problem.

Jul 18, 2016 | Toyota Cars & Trucks

Tip

Toyota AC Light flashing


Here is a real money-saving tip for you Toyota owners, with a problem of your AC light flashing on the instrument panel, when the AC is on.

You may also expericence a 'no cooling condition', also.

This info pertains to the following Toyota vehicles:

2001 thru 2004 Camry, Echo and Celica

2002 thru 2004 4Runner, Corolla, MR2 Spyder

2003 thru 2004 Highlander, Matrix, Sienna and Solara

Toyota is aware of this situation, and has produced a technical service bulletin to rectify the AC light flashing condition.

What has happened here is that the AC relay
(noted as the 'AC MG CLUTCH' relay in the relay box, under the hood)
has gotten weak over time, and is not properlying transmitting power to engage the AC compressor clutch.

Toyota has an improved relay available, and can be purchased at any Toyota parts department.

The affected relays have the following part number stamped on them:
90987-02022

The improved relay part number is 90987-02028

The repair is quite easy, all you have to do is identify that you have a 90987-02022 relay. If so, purchase a new relay, 90987-02028, and simply remove the old one, and fit the new one into the relay box.

Once the new relay is installed, the AC light flashing problem will be cured.

We hope that this tip saves you the money that you would have paid a repair facility to daignose the problem for you.

Thanks for reading my Tip!

All 4-thumb helpful ratings and testimonials (VERY HELPFUL) would be greatly appreciated.

on Jan 02, 2010 | Toyota Camry Cars & Trucks

1 Answer

I have power to the fuel relay but not to the fuel pump please help


One spot always has power. another has power with the key turned on. Year make and model. Is the security light on or flashing?

Dec 15, 2015 | Cars & Trucks

1 Answer

My toyota noah refuses to revv and the fault code is p1632


Head over to this site please ~~> http://1999-toyota-noah.enginecodedb.com/p1632.html

Nov 24, 2015 | Toyota Cars & Trucks

1 Answer

I need fuse box diagram for my 1998 toyoya lite ace noah


my newest place for great FREE down loads as follows (AA1CAR.COM) its called auto diagnostic & repair help.
please let me know if it's as good for you thanks ,good luck.

Oct 02, 2012 | 1988 Toyota Lite-Ace

1 Answer

I need a wiring diagram for 1999 Toyota Noah


Something must be drawing the battry flat. Probably something you can't see. Start by removeing glovebox light & boot light & see if the current drain stops. If it does one of those lights are staying on.

Jun 29, 2012 | Toyota Cars & Trucks

1 Answer

MY AC FAN FOR TOYOTA NOAH 1999 DOES NOT WORK


did you have the relay checked? does the a/c light come on when you turn on the a/c?

Jan 24, 2012 | Toyota Cars & Trucks

1 Answer

1997 toyota conquest 1.8. Turn indicators are scrambled.


Have a look at your relay and fuses. But you may not apply DIY method because this needs an expert hands-on. Needs to trace where the wires were wrongly connected.

Rate this please.

Apr 04, 2009 | 2006 Toyota Corolla

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