NO REVERSE

  • Tiny
  • alfredm8702
  • 2009 Toyota Corolla

My 2009 Toyota corolla won't go when it's in reverse there's no codes but the R Is blinking any ideas?

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Monday, October 15th, 2012 AT 7:47 PM

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  • Tiny
  • KHLow2008
  • Expert
  • 41,997 posts

If the R is blinking, there should be a problem there. What scan tool did you use to check codes?

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Monday, October 15th, 2012 AT 7:59 PM
  • Tiny
  • alfredm8702
  • Member

A snap on scanner with the keys even under transmission codes nothing popped up

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Monday, October 15th, 2012 AT 8:01 PM
  • Tiny
  • KHLow2008
  • Expert
  • 41,997 posts

Under normal circumstances the R indicator light should not be blinking even if a fault had been detected. I believe the Park and Neutral Position switch for the Reverse circuit has a loose connection somewhere or the PCM is the one causing it.

Check the PNP switch wire harness connector for a loose or contaminated connections forst.

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Monday, October 15th, 2012 AT 8:32 PM
  • Tiny
  • alfredm8702
  • Member

All the connections are fine all the gears work except reverse maybe a bad Tranny?

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Monday, October 15th, 2012 AT 8:57 PM
  • Tiny
  • KHLow2008
  • Expert
  • 41,997 posts

Is possible for the trans to be bad but your vehicle is too new to be having problems. More likely to be control problems.
I would suggest testing the wirings for continuity in circuit and also the PNP switch and PCM.

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Monday, October 15th, 2012 AT 9:04 PM
  • Tiny
  • alfredm8702
  • Member

Where are the pnp and pcm switches located?

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Monday, October 15th, 2012 AT 9:05 PM
  • Tiny
  • alfredm8702
  • Member

And neutral is in gear as well this is weird

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Monday, October 15th, 2012 AT 9:18 PM
  • Tiny
  • KHLow2008
  • Expert
  • 41,997 posts

When gear shift is in N and gears are engaged, either the gear shift cable is out of adjustment or the transmission has internal faults.

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Tuesday, October 16th, 2012 AT 8:33 AM

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