2003 Toyota Highlander - Answered Questions & Fixed issues

Question edited for clarity. Question moved to year category. All those covered by Fuse 23 :>)

Toyota Highlander (XU20; 2001-2007) fuses and relays

Fuse-Box.info https://fuse-box.info > toyota > toyota-highlander-xu2... The fuse box is located on the left side of the instrument panel, behind the cover to the left of the steering wheel. The location of the fuses in the ...

Toyota Highlander (XU20; 2000 - 2003) - fuse box diagram

Auto Genius https://www.autogenius.info > toyota-highlander-xu20... Aug 8, 2016 - Toyota Highlander (XU20; 2000 - 2003) - fuse box diagram. Year of production: 2000, 2001, 2002, 2003. Engine compartment. ..

The safest thing it to add more, you don't want to run it below the mark at all. this can cause damage in the intensive heat.

P0441 TOYOTA - Evaporative Emission Control System Incorrect Purge FlowPossible causes- Missing Fuel cap- Incorrect fuel filler cap used- Fuel filler cap remains open or fails to close- Foreign matter caught in fuel filler cap- Incorrect fuel tank vacuum relief valve Tech notes There are factory service bulletin for the following Toyota models:2003-2004 Toyota 4Runner2003-2004 Toyota Tundra2004 Toyota Camry2004 Sienna2004 Highlander2004 SolaraToyota Factory Service Bulletin OBDII Code P0441

That OEM flat cable is very brittle (even inside). Perhaps replace the entire cable with separate pieces of stranded wire or a good stranded wire ribbon cable. Check solder points on the printed circuit board to ensure they aren't ripped off of the board would be my suggestion.

Disconnect the battery ground for a couple of days.It will reset once you hook it back up.Otherwise,unplug the alarm from the system.

you can hook this wire to any ground. it is supposed to prevent you from viewing video while driving.

The head gaskets blow out due to the head bolts pulling out of the block resulting in stripped threads on most of the holes in the block, there is no recall even though this is a known problem, Toyota did fix some of them under the normal power train warranty of 5 years/60,000 miles. There are several videos and instructions on how some people fixed this problem without replacing the engine block. In any case it's a very expensive repair,.

Bank 1 is the portion of the engine that houses the #1 cylinder. How to fix Code P0420 Ricks Free Auto Repair Advice

Undo the clips on the air filter housing and pull the top part off then spray the fuid inside the top part of the housing/

id guess the oil temp sensor is faulty or the wire leading to it is corroded start there

Try the bulb itself. You can check it with a voltmeter set to continuity. Check the harness for a poor ground connection near the bulb socket. It will be a black wire under a screw head on the chassis. If nothing out of the ordinary is found, replace the headlight relay for that side. Each headlight has its own relay.

any body bothered to read the fault codes first just stopping dead can be timing belt failure, crank/cam shaft sensor failure or wire connections failure

Why would you want the dash lights on with the DRL's ? I wouldn't expect them to be on. You would only have dash lights when conditions require you to have your full lights on. I think you are looking for a fault that's not there. If this doesn't answer your question call the local dealer.

after replaceingts a oxygen sensor check engine light will stay on for so many miles dissconnect positive side of battery for 40 secounds then hook back up that will reset it but if you have a alarm on radio you may have to put code in it auto parts stores sale something called a ob 2 its the scan tool to pull codes but even if you use it to reset code if code is detected by computer it will come back after so many miles the light will go off give it some time its normal

parts list show both chain and timing belt used on highlander motors need to know which motor Highlander FWD 3.0 V 6 1MZFE Highlander AWD 3.0 V 6 1MZFE Highlander FWD 2.4 L 4 2AZFE Highlander AWD 2.4 L 4 2AZFE Toyota Highlander Water Pump Parts Discount Online Store one 2003 highlander has an external serp belt driven water pump for all round reliability you replace water pump, seals , tensioner and timing belt

DID TRY TO SUPPORT?

NO,YOU COULD USE HOSE AND TRY PUT MOUTHS PULL AIR AND HOLD DOWN,DO NOT DRINK.

Sounds like it needs the code inputting, mine did the same. Now, what the code is????? Maybe if you post the make and serial number on here someone may be able to help. It maybe written down in your manual etc.

On your dimmer switch, it should slide out. Needs to be replaced

download the pdf file I hope you will get the solution