01-11-2010, 10:49 PM
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#4 |
 Toyota Racing Development Join Date: Apr 2007
Posts: 5,038
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A code 51 will present if the TPS is not properly adjusted when the throttle is fully closed or if the TPS is unplugged... or if you press the throttle while checking error codes.
If the A/C is turned on or active this code will present or if the A/C was removed and the signal line was grounded. NSW is not applicable. It's academic anyway, a code 51 will not prevent the vehicle from starting and really only affects the vehicle at idle. Have you checked the EFI relay and the EFI fuse?
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