Lexus GS 400 - Popular Questions, Answers, Tips & Manuals

Could be a broken indicator stalk switch or connector you may have to remove cover from around steering column switches to see connector( I think it plugs in in the bottom of switch unit )or find wiring diagram to find colour of wire that should feed 12 Volts and continuity when switch is on with a test lamp or multimeter.

Question edited for clarity. Question moved to GS400. Check out videos, pictures and Club Lexus articles. https://www.google.com/search?q=98+lexus+gs300+coolant+temperature+sensor+location ..

Reversed battery do you mean ... if so, dig deep into your savings and call Lexus/Toyota service.

My diagram shows 1. Black/white 2. Red/white 3. Red 4. Brown I hope this helps. Take care.

Check the connectors and wiring. check to see if you have 12DVC to fuel pump connector when staring

check your oxygen sensor,replace it..

The first tests should be to check for the proper fuel pressure and the presence of proper spark. If you don't know how to do that or have the right tools, then there's really nothing you can do but have it towed to a shop

Check Engine Light On, P030x Specific-Cylinder Misfire Code A cylinder specific misfire indicates that either compression, appropriate fuel mixture, or spark is missing. Start with a visual inspection, looking for a vacuum leak near the cylinder and any sign of wear on the spark plug wire. Check the compression on the target cylinder to ensure that the engine is mechanically sound. Use a stethoscope to listen to the suspect cylinder's fuel injector. Listen for distinctive clicks and compare to another cylinder.

Hi, Do you have the Owner's Manual? If so, look in it for the way to deactivate the Alarm when the battery has been disconnected. This is only for the FACTORY Lexus alarm. If yours is non-factory you'll need to 'google' the alarm brand and 'how to turn off'. GL, Td

The ignition switch.

Your cat is bad,probably clogged,can cause it to backup and blow a head gasket,did on my truck.The only way to see is to remove and look in the front part of it,mine looked like it has a big rock in it,

Try adding brake fluid to the reservoir that should put the light to rest if not when have you had the brakes serviced last, if you start to hear a metal rubbing noise waste no time to get the brakes serviced chances are you need pads or shoes.. Every 25,000 to 30,000 miles should have them inspected other wise you risk rotor or drum damage if the pads or shoes wear down too far.. hope this helps..

Should be on a label, on the fuel door In the owners manual Call or stop at a dealer & ask

On this website you find fuse box diagram and description for Lexus GS300 (1998 - 2000) Lexus GS300 1998 2000 fuse box diagram Auto Genius

It could be showing that the air bag is working or operating or is in the operating mode. most of the time when most cars are turn on you should see all warning light come on, using car diagnostic tool check it your car problem, http://www.xcardiag.com hope it can help you.

It sounds like the alternator packed in. Get it checked out.

Did you check the fuse? It may have a separate fuse then the AC and GPS. For some reason its broken I'd look online for a used car radio.

Think you need to use the internet to educateyourself on OBD2 SystemsDoesn't sound like you have any idea about codesor tried to diagnose any

On most models the gauges get power from the same fuse the warning lights do. So it could be a problem with the printed circuit board on the instrument cluster.