Rev counter is not working

Tiny
PAULON
  • 2010 TOYOTA LANDCRUISER
  • 10 MILES

Please tell me what the color wiring of the rpm and tell what pulses or volts must I get. Land cruiser chassis number jtelb71j07094092
4.2 model its a new model

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Thursday, February 16th, 2012 AT 8:52 AM

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Tiny
CARADIODOC
  • EXPERT
  • 26,853 POSTS

You're thinking of 20-year-old vehicles. There is no one wire anymore. The Engine Computer knows engine speed. It sends a digital signal to the Body Computer which interprets that information, then sends its own digital signal to the instrument cluster which is a computer module in itself. The most common cause of a dead tachometer is a defective instrument cluster. If you had a wiring problem, a lot more stuff would be not working.

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Thursday, February 16th, 2012 AT 9:29 AM
Tiny
KHLOW2008
  • EXPERT
  • 41,939 POSTS

Since vehicle is still new, get the dealer to sweat over it as it should be under warranty.

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Thursday, February 16th, 2012 AT 12:41 PM

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