Anybody have a tcu pin diagram?

[THAWA]

Couldn't find one when I searched. But what I'd like to do is canabalize this tcu i got off ebay into an AT-MT adapter. Stuff like the inhibitor switch, reverse lights, etc, all that crap goes through the tcu right? Could I just make a harness that attaches through these pins and just plug that into where the tcu would be? does that sound possible or are all the switches and shit in different places, and don't come into contact with the tcu?

[vrg3]

Josh has some scans from the FSM:

http://www.main.experiencetherave.com:8 ... FSM_Scans/

I think you might just have an easier time dealing with the connectors apart from the ECU, though. I don't know that much about how this part is wired, but I don't think the reverse light switch goes through the TCU (the TCU gets its reverse input from the shifter assembly). And you don't need the inhibitor switch; just jumper it closed.

All you need to wire in is the reverse light switch and the neutral switch, right?

[THAWA]

i think so. The neutral switch is for cruise control right? and the inhibitor is for starting and removing the key? Or is there a seperate switch for removing the key?

[Legacy777]

I don't think you need to do all that.....the reverse lights are just a connector that plugs into the harness from the trans. The inhibitor switch is similar to the clutch start system, and should be able to be tied into it.

[THAWA]

Cool, that's good to hear So the inhibitor switch is the one that stops you from removing the key right?

[Legacy777]

I only have access to my electronic manuals now....but from what it shows....on the MT cars, the inhibitor switch is just a wire....which is weird.....unless the clutch system is wired up to something else.

No the key one is the shift lock solenoid. The inhibitor keeps you from starting the car unless it's in park or neutral.

On a mt swap....I'd bypass the shift lock solenoid, and either wire the inhibitor up to the clutch pedal button, or if there's another way the clutch safety switch is wired up.....I'd just bypass the inhibitor.

[vrg3]

I would actually recommend not using a clutch safety switch. It's good to be able to move the car with the starter motor if necessary, and also it allows you to start the car in neutral without disengaging the clutch (declutching puts strain on the main bearing, which is exaggerated when there's no oil pressure).

[Legacy777]

interesting.......but it is a safety item...

it allows you to start the car in neutral without disengaging the clutch

do you mean with out pressing in the clutch.....?

[evolutionmovement]

My old Zs didn't have the interlock. Nice if say you break down in an intersection. Just don't park near an overhang and forget to take the transmission out of gear without hitting the clutch.

Steve

[vrg3]

It's a "safety" features that's "missing" on many cars, though. I think it's a safety advantage to be able to use electricity instead of gasoline to move the car (hehe, it's an electric car!), as Steve says.

I generally don't like safety features that protect you from stupidity while preventing you from doing some things you may need to do. Just don't be stupid! In any case, you'll notice immediately if the car starts to move when you try to crank the engine. You can learn to hold the brake pedal while cranking if you want to be extra sure.

Pressing the clutch pedal is disengaging the clutch.

[Legacy777]

Pressing the clutch pedal is disengaging the clutch.

brain fart

[THAWA]

what do you mean bypass the hift lock solenoid. I'd actually prefere to start withouit clutch depressed. My civic was like that and loved it

[Legacy777]

More then likely you would just run a wire to complete the circuit......or just leave an open circuit for the shift lock solenoid. It all depends on how it's setup.

[THAWA]

cool cool.