General Category > R1100 models

3-Pin TPS Test

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mst27370:
I checked the voltage setting on my TPS. It was set at .385 which is where I set it a couple of years ago. There was akso enough free play at the left throttle cable. I reset the TPS voltage to .370 and the 3-Pin TPS test worked fine. I also checked the TPS good/no-good status with an LED directly at the diagnostic plug, this also worked correctly.

So, I get it. The TPS set to .385 is too high to start the TPS Adjustment test. What I don't get is that the test worked the first time I tried it and then would not work on any subsequent attempts. The TPS setting did not change in two years but the test worked once then would not work again.

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