Question about 2003 Toyota 4Runner

2 Answers

2003 Toyota 4runner - One headlight went out, tried to troubleshoot by switching the lights, now both don't work. Don't know where the fuse is, so I can't check that.

Posted by shadywoods00 on

  • shadywoods00 Apr 22, 2009

    Thanks. Found the fuse box. They were blown. Guy at Toyota Parts counter had insight. Said that you shouldn't handle the bulbs with bare hands, as the oils from your hands can cause the bulb to overheat and then bulbs and/or fuses to blow! Replaced the fuses, and put in new bulbs per his instructions, and now everything is fine.


    Mark

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2 Answers

loginek

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  • Toyota Master
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On this website (link below) you find fuse box diagram and description for Toyota 4Runner (2003)

Toyota 4Runner Fourth Generation N210 2003 fuse box diagram Auto Genius

Posted on Jul 17, 2016

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Onifade Adewunmi

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  • Master
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Check in the bonnet, you'll find the fuse box then follow the inscription on the fuse box cover.

Good luck.

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Posted on Apr 11, 2009

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dttech

dttech

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SOURCE: parking lights work but headlights don't

Hi Clark,

The headlamp system in your Eldorado is controlled by the Body Control Module (BCM). Besides the light switch on the dash (which only provides grounds for certain BCM circuits) There are 10 different fuses, 5 relays, an ambient light sensor, a headlamp dimmer switch, the BCM and the Instrument Panel Cluster (IPC) involved in your headlamp circuits.

You asked about an easy way to check the switch...

The easiest way is to connect a scan tool and verify headlamp switch input at the BCM as you operate the switch and watch the BCM data.

I recommend that you begin this diagnosis by scanning your computer network for fault codes that may lead you to the cause of the problem. Please note that MOST generic OBD scanners (code readers) cannot access the BCM or IPC data.

Posted on Oct 30, 2011

Anonymous

  • 362 Answers

SOURCE: why would my check engine light be on. I have a toyota 4runner

Your vehicle’s computer system has self-testing capability. When the computer senses that there is a problem with some of the components it stores the correspondent trouble code(s) in its memory and lights up the "Check Engine" or "Service Engine Soon" light to tell you that there is a problem and you will need to have the car diagnosed and repaired.

Posted on Jan 31, 2009

redds55

Ricky Peters

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SOURCE: 2003 Chevy S10 Brake lights

OK try this, push and hold brake then push on the hazard switch if brake lights come on then replace the turn signal switch.

Posted on May 14, 2011

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