Question about 2005 Lexus LS400

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Starter relay clicking, but car wont start - 2005 Lexus LS400

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Locate your starter and with the vehicle in park have an assistant hold the key in the crank position while with a test light you check for power at the posts on the starter solenoid. One post shoul have power from the battery, the other from the ignition switch and the other should supply power to the starter motor. Make sure your battery is in good shape and fully charged. If all you get is a click from the solenoid then it's likely that you need a starter. If no power fom battery check battery and positive cable/connection for integrity and tightness. The small post is power from the ignition switch if no power her with the key on the crank position check fuses, park/neutral safety switch and it's related wiring.

Posted on Jul 06, 2012

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Posted on Jan 02, 2017

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Aurora 4.0 im stumped checked starer relay and car still wont start clicking ssound comin from backseat jumped it whats wrong


What year vehicle ? The clicking sound you hear from bake seat is probably a relay ! There is a fuse / relay box under the back seat ! How did you check the starter relay ? Just pull it out an look at it ? Was it #36 START 1 Relay
-- Starter Solenoid and PCM in the under hood fuse / relay Box ?
This relay is computer energized - PCM supply's a ground to circuit 447 which energizes the relay sending voltage to the starter S terminal engaging the starter . Do you have a test light or a volt ohm meter ? If you pull out the starter relay an look on the bottom you will see some numbers , 85,86 an 30,87 . match them up to the holes they came out of . Check out this video on YouTube ,you can check for voltage an computer control . Is the SECRUITY light lit on the dash ?
This VEHICLE RELAYS Operation Diagnosis VEHICLE RELAYS Testing from the relay base

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1 Answer

Car just clicks when i try to star it


Battery cable connections ? Battery , Starter ? Do a starter system voltage drop test ! Starter Voltage Drop Also do a pin point test at the starter relay ! VEHICLE RELAYS Operation Diagnosis VEHICLE RELAYS Testing from the relay base


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Audi just stopped while driving, tryed too start it and it wont start


READ THIS ALL BEFORE YOU DO ANYTHING
NOTE: some vehicles have the starter relay and starter mounted together as 1 unit. Sometimes the starter relay and starter are seperate. When I refer to "relay" it could also mean the starter and relay as 1 unit.
Note: "starter switch" is not to be confused with "key switch", although sometimes they are all one unit. The starter switch is usually mounted on the steering column and actuated by a metal rod. On units that are all one unit, the keyswitch/starter switch (both one unit) will have to be replaced. (this is a rare problem, so don't get worried just yet)
1. Check battery voltage, should be between 12.5-14.5 volts. if low voltage replace or charge battery, and try to start car, if it don't crank with new or charged battery, move on.
2. Check connections on the starter relay, even the small one coming from your starter switch. if loose or corroded, clean with a brush and reconnect them. Try to start your car. Did it start? if not, Move on
3. Well now we know the connections aren't the problem. How about a click? did you hear one? If a click is heard, go to #4, if nothing is heard, go to #5
4. Well at least the relay is clicking, but nothing else is going on. The relay is working, so the starter must be bad. Replace the starter and start your car!
5. Humm, connections aren't the problem, maybe the relay is bad, replace your relay with a new one. Move on
6. Now we have a new relay, with clean and tight connections. Start your car. Does it start? If yes, then HORRAY! we fixed it. Does it click? If so then goto #7, If it don't click, then goto #8
7. So here we have a new relay, with good connections that will click when trying to start the car, but nothing else happens. Starter is faulty, replace the starter, and off you go, see ya!
8. So here we have a new relay, with good connections, but it still won't click when we try to start our car. This means that your starter switch is faulty. Replace starter switch and try to start your car. Vroom! finally done with this car problem!
List of shortcuts: if you remove the starter switch lead (small wire) from the relay and apply +12v to its respective prong or lead on the relay, and your starter cranks, your starter switch is faulty. You can actually hook up a starter button this way. If you jump the two large wires together on the relay and it cranks, then the relay is faulty. If you jump the two large wires together and nothing happens, then starter is faulty, or wires to starter are loose or broken.

Dec 13, 2013 | Cars & Trucks

1 Answer

Wont start when warmed up


I will post my article titled "My starter won't crank my engine"...... If it does not fix your problem, then the very last thing it would be, is the catalytic converter is clogged creating extreme backpressure, which will cause your engine to stall, but start back after the backpressure releases, which can be a few hours depending on the clog.

READ THIS ALL BEFORE YOU DO ANYTHING
NOTE: some vehicles have the starter relay and starter mounted together as 1 unit. Sometimes the starter relay and starter are seperate. When I refer to "relay" it could also mean the starter and relay as 1 unit.
Note: "starter switch" is not to be confused with "key switch", although sometimes they are all one unit. The starter switch is usually mounted on the steering column and actuated by a metal rod. On units that are all one unit, the keyswitch/starter switch (both one unit) will have to be replaced. (this is a rare problem, so don't get worried just yet)
1. Check battery voltage, should be between 12.5-14.5 volts. if low voltage replace or charge battery, and try to start car, if it don't crank with new or charged battery, move on.
2. Check connections on the starter relay, even the small one coming from your starter switch. if loose or corroded, clean with a brush and reconnect them. Try to start your car. Did it start? if not, Move on
3. Well now we know the connections aren't the problem. How about a click? did you hear one? If a click is heard, go to #4, if nothing is heard, go to #5
4. Well at least the relay is clicking, but nothing else is going on. The relay is working, so the starter must be bad. Replace the starter and start your car!
5. Humm, connections aren't the problem, maybe the relay is bad, replace your relay with a new one. Move on
6. Now we have a new relay, with clean and tight connections. Start your car. Does it start? If yes, then HORRAY! we fixed it. Does it click? If so then goto #7, If it don't click, then goto #8
7. So here we have a new relay, with good connections that will click when trying to start the car, but nothing else happens. Starter is faulty, replace the starter, and off you go, see ya!
8. So here we have a new relay, with good connections, but it still won't click when we try to start our car. This means that your starter switch is faulty. Replace starter switch and try to start your car. Vroom! finally done with this car problem!
List of shortcuts: if you remove the starter switch lead (small wire) from the relay and apply +12v to its respective prong or lead on the relay, and your starter cranks, your starter switch is faulty. You can actually hook up a starter button this way. If you jump the two large wires together on the relay and it cranks, then the relay is faulty. If you jump the two large wires together and nothing happens, then starter is faulty, or wires to starter are loose or broken.

Dec 12, 2013 | Geo Tracker Cars & Trucks

1 Answer

Car warms wont start


READ THIS ALL BEFORE YOU DO ANYTHING
NOTE: some vehicles have the starter relay and starter mounted together as 1 unit. Sometimes the starter relay and starter are seperate. When I refer to "relay" it could also mean the starter and relay as 1 unit.
Note: "starter switch" is not to be confused with "key switch", although sometimes they are all one unit. The starter switch is usually mounted on the steering column and actuated by a metal rod. On units that are all one unit, the keyswitch/starter switch (both one unit) will have to be replaced. (this is a rare problem, so don't get worried just yet)
1. Check battery voltage, should be between 12.5-14.5 volts. if low voltage replace or charge battery, and try to start car, if it don't crank with new or charged battery, move on.
2. Check connections on the starter relay, even the small one coming from your starter switch. if loose or corroded, clean with a brush and reconnect them. Try to start your car. Did it start? if not, Move on
3. Well now we know the connections aren't the problem. How about a click? did you hear one? If a click is heard, go to #4, if nothing is heard, go to #5
4. Well at least the relay is clicking, but nothing else is going on. The relay is working, so the starter must be bad. Replace the starter and start your car!
5. Humm, connections aren't the problem, maybe the relay is bad, replace your relay with a new one. Move on
6. Now we have a new relay, with clean and tight connections. Start your car. Does it start? If yes, then HORRAY! we fixed it. Does it click? If so then goto #7, If it don't click, then goto #8
7. So here we have a new relay, with good connections that will click when trying to start the car, but nothing else happens. Starter is faulty, replace the starter, and off you go, see ya!
8. So here we have a new relay, with good connections, but it still won't click when we try to start our car. This means that your starter switch is faulty. Replace starter switch and try to start your car. Vroom! finally done with this car problem!
List of shortcuts: if you remove the starter switch lead (small wire) from the relay and apply +12v to its respective prong or lead on the relay, and your starter cranks, your starter switch is faulty. You can actually hook up a starter button this way. If you jump the two large wires together on the relay and it cranks, then the relay is faulty. If you jump the two large wires together and nothing happens, then starter is faulty, or wires to starter are loose or broken.

Dec 12, 2013 | Geo Tracker Cars & Trucks

1 Answer

Engine wont turn


1. Make sure your battery is fully charged.
2. Check connections from battery to starter relay.
3. Make sure you have voltage going to the start side (small wire) of the relay with the key in the "start" position.
4. If you don't have voltage going to the start side of the relay (small wire) with key in the start positon, then your starter switch is faulty (under dash usually mounted on top of steering column).
5. If you have voltage to the start side of the relay (small wire) with key in start position, and it don't click when trying to start your car, then the starter relay is bad.
6. If your starter relay clicks, but engine don't turn over, then the starter is faulty.

Dec 09, 2013 | Cars & Trucks

2 Answers

Wont start just clicks even with new battery


dead battery, starter, or selenoid. I would start with checking the battery.

Apr 21, 2010 | 2002 BMW 5 Series

1 Answer

My hyundai accent wont start i need a starter relay i think i try to start it but no noise comes out exect a hum from the relay idk what to do but i have to get it fixed


dear friend:the starter relay will only click when you turn the key to the starting position.if the starter relay does not click check for power to and from the relay.also check if you got enough battery power,if all of this is ok then the starter is faulty.

Sep 20, 2009 | 1999 Hyundai Accent

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