Hello, i am currently having an issue with my 2012 civic si throwing a p2135(7) code. The code is for tp sensor a/b incorrect voltage correlation.
This code has been thrown due to changing throttle bodies from oem to a bosch throttle body.
Before the big bore throttle body isnt necissary comments come in, my reasons for doing this are because i want to, and because the oem throttle body looks terrible and has the unnecessary coolant pipes on it. Yes i am doing this mostly for looks not performance gain.
I have the oem throttle body wire diagram and have verified that what i have is correct with a multi meter and oem tb.
pink and green wires are the motor wires on the oem connector, i know i have these correct because when i turn the key on the throttle blade opens and shuts.
tan wire is the sensor 5v supply
gray is sensor groung
light green correlates to tp sensor A on HDS
red correlates to tp sensor B on HDS
My question is if i wire the bosh tb accordingly and have them wired as potentiometer rising, what values should be seen on the scan tool or what values is it expecting to see? Also what is the ecu comparing and expecting to correlate, and what is it supposed to correlate with. I have voltages written down but it was late when i wrote them down and forgot to label which values from HDS were oem and which values were from the bosch tb.
tp sensor voltage
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