Question on Under hood fuse box

On the 7.5a Back up. Does that mean back up “lights”. or Back up “power”?

http://www.g2ic.com/forums/attachment.php?attachmentid=30424&stc=1&d=1234972095

Opps sorry so small. I think you can click on it to blow it up.

Back-up power, back-up lights are the same fuse as the park light fuse, fuse 11 - 15A, except 90 G2 W/DRLs, fuse 1 -15A, [hot when park/head lights are on] in under dash fuse box.:whisper:94

So do you know what 7.5 fuse control? Its in the fuse box of the engine compartment.

ECU memory:whisper:94

ECU? Is the auto seat belts related? Cause when I removed the 7.5 back up fuse under hood, I found out that the belts wont retract.

I’m still in the quest to find my current drain. While I was pulling out fuses (again) When I pulled the 7.5 fuse out, I got a 0.20 drain. Correct me if I’m wrong but isn’t it suppose to be lower than that?

Yes it is possible that it is also for the seat belts, in G3s, and most other Honda/Acura the 7.5A back up fuse is for the ECU/ECM and the radio memory and clock, in G2 the constant power fuse, [memory] for the radio is in the under dash fuse box.

What was the draw before you pulled the 7.5A fuse?:stare:94

Okay so with ALL fuses in its place, DVM set to 10a dc, I got a reading of 0.39. Definately a draw right? What should be the normal reading? Is it 0.02?? The very first fuse I removed is the 7.5a (under hood). With that removed it went back to 0.02 to 0.03 range.

Okay I got a crappy shitty Haynes manual that doesn’t show me shit on the wiring diagram.

FCM- can you help me trace this down.

BTW-Specs

91 GS USA model.

Sorry, I have the same Haynes manual, nothing at all about the auto seat belts.

It is obvious that the draw is from a load on the 7.5A fuse, a .02-.03 amp draw is acceptable, actually it’s pretty good, my 94LS is .07 amps, the 0.39 is very high, [for everything being off], like a bad relay stuck on.

Do the auto seat belts work properly?

Try this, unplug the seat belt control unit and see if draw is still there. :corn:94

That fuse distributes to the ecu, transmision ecu, auto seatbelt control unit and ignition swtich key sensor. After key sensor, integrated control unit and and auto seatbelt control unit.

[QUOTE=fcm;1988012]Sorry,

Do the auto seat belts work properly?

Try this, unplug the seat belt control unit and see if draw is still there. :corn:94[/QUOTE]

Yes the auto seats work fine.

Where is the control unit?

Lucifer/ FCM- the 7.5a fuse controls the ignition switch? When I removed the 7.5a fuse, I had a major starting delay. Could that be related? It took 5 seconds for the engine to start. But even when that fuse is in, I still get starting delays but not that long though.

If the ICU is in any way powered by the 7.5A fuse, check the ICU, although the ICU is at fault with a number of electrical issues in G2s, current draw is not one I have run into, but it could hold a relay on.
Maybe not a problem with the auto seat belt control unit, but with the ICU keeping a relay, in the auto seat belt control unit, energized, [on].

I would unplug, one by one, all the items Luciferi indicates is part of that circuit.:corn:94

[QUOTE=fcm;1988155]

I would unplug, one by one, all the items Luciferi indicates is part of that circuit.:corn:94[/QUOTE]

Can you walk me through this? First where is the control unit for the seat belts? I’ll do that first.

on the passenger side on the right side behind the panel in front of the door

great. I’ll check it tomorrow after work. So thats under the dashboard near somewhere by the blower motor? Easy accessable? Or do I have to remove plastic panels? By any chance can you snap a pic of that location. What color is the connector? black, white?

i will get you a pic in the morning since mine is disconnected too. its behind a panel but the panel is easy to take off

[QUOTE=fcm;1988012]

Try this, unplug the seat belt control unit and see if draw is still there. :corn:94[/QUOTE]

What if I pull out the 7.5a fuse instead of unplugging the control unit? Will that be the same as unplugging the connectors?

Not if the 7.5A fuse is also for something else.:whisper:94

Okay I’ll unpulg the auto seat belt control unit and will see.

Three days later from disconnecting the auto seat belt unit, I’m attempting to start the car today. First I did the drain test with the belt unit still disconnected. The draw is a normal 0.02. So is it for sure something wrong with the unit or wiring of that unit? So I started the car but it had a start delay of 3 to 4 seconds? Usually the batt would already drain in three days, but today it started. So now I’m focusing on this control unit.

I just picked up an Acura service manual and I did the test on the connectors of the auto seat belt control unit. The test with the connectors unplugged passed. The test with the connectors plugged in the control unit, I haven’t done yet. The test consist of a continuety test and a batt voltage test. Question on the DVM. My meter doesn’t beep for the continuety test. Correct me if I’m wrong but do you set the DVM to that symbol that looks something likes this --l> ? And if theres continuety, should the meter read 000?

Are you sure your not switching the DVM to diode test… http://www.the12volt.com/diodes/diodes.asp

Here is a pretty good tutorial… http://mechatronics.mech.northwestern.edu/design_ref/tools/multimeter.html :stare:94