200 hp - 2003 Remot Oil pump not turning on

[chuckmead]

I have twin 200 hp - 2003 Yamaha outboard motors.
Issue:
My remote oil pump will not turn on to pump oil from the remote oil tank to fill the outboard primary oil tank.
The alarms work correctly.
The RPM dropped to safety RPM Correctly.
The emergency Toggle switch that is located on the motor turns on the pump and fills the primary oil tank from the Remote Tank. Its tough taking the engine cover off in rough seas and hitting the emergency toggle switch -
Question:
Which components should I check or replace that tells the remote oil pump to kick on when the primary tank is at low mark?

[99yam40]

this shows a testing chart and has reference to what motors and years used different things to keep oil pump from running

Yamaha 200HP Oil Transfer Issues. No automatic Transfer

[rodbolt17]

if using the switch allows a refill then you dont need to test much of the wiring.
to test flow, drain engine tank via the water trap.
make sure the remote tank is at least half full and the center bar/yellow lamp, is not illuminated.
turn the key on, you should have an audible,visual indicate all three bars flasing and the transfer pump refills the engine tank in less than 180 seconds.
if it transfers and does NOT refill then check the remote tank filter and lines for restrictions.

[chuckmead]

I am with you on this,
Remote tank is full.
The emergency toggle switch fills the tank so there are no restrictions,
There must be a electronic switch that the float assembly that turns on the pump!
Where is this electronic switch that turns on the remote oil pump when the primary tank is low?

[99yam40]

Apparently you do not read the post well, test like was stated to make sure

[rodbolt17]

if the remote tank filter is restricted its possible that the engine oil pump can consume oil faster than the transfer pump can refill the engine tank.
its not my first run around the block with precision blend.

[ausnoelm]

hey Rodbolt, this comes up all the time, how about you do a one off, step by step trouble shooting guide, and get the mods to make it a 'sticky" so it can be referenced at anytime, mind you, I guess the same could apply to a lot of things that keep getting rehashed and done over and over.

[rodbolt17]

I have so many posts on precision blend its sickening.
ok, you look at the remote tank and its full.
does the oil control module know that as well?

the tach will tell you if the ecu can see it.
its called SWB.
SWB open OR the circuit is bad you get a yellow lamp or center bar AND NO automatic transfer.
SW2,engine tank switch, closes you get a pump on command,SW3 closes and you get a second pump on command,RPM reduction,audible alarm AND a visual.
far left bar or red lamp.
with a restricted filter the engine can be refilled manually just takes longer.
from empty the 2.6L tank should be able to be refilled in less than 180 seconds.

[chuckmead]

Rodbolt17 - Excellent check, I manually filled up the primary tank from the remote tank using the emergency toggle switch and it took a little over a minute to fill up. So I am able to take the filter restriction off the trouble shoot list.

I will need to obsorb your next trouble shoot!
In the field (between Catalina island and long beach) after I filled the primary using the toggle switch.
On the tach meter I had the left bar is solid ,middle bar is blinking, Right Bar is blank,
I turned the motor off and on to reset and it showed the same.

Tach Meter Reading:
left bar is solid ,middle bar is blinking, Right Bar is blank ?

I know that SW3 closes and you get a second pump on command,RPM reduction,audible alarm AND a visual.
far left bar. because that is what alerted me on all this.

So I need to know why SW2,engine tank switch, closes you get a pump on command is not working. am I Correct ?




Vocabulary Questions:

Precision Blend means?
I am using WEST MARINE
Premium 2-Cycle TC-W3 Outboard Oil

[chuckmead]

99yam40:
I reread the post and i believe I get it.
by rereading the chart it seems I am at box labeled (the transfer pump operates by activating the Emergency toggle switch) and (Transfer pump operates).

So using this chart it is either:
A- Trim Gauge that is keeping the pump from turning on !
B - or I need to start jumping wires and go down the remaining list.
I will work on (A) First as well as working with Rodbolt 17 trouble shooting suggestions.
So the trim gauge has a signal that may cut off the pump! This is so it will not fill while tilted, If the trim tab shows tilted even though the motor is level than it will shut off the pump is that correct?

99yam40 & Rodbolt17:
So after using Rodbolt17 information and 99yam17 chart it seems that the (SW2,engine tank switch), closes you get a pump on command is not working.
It may not be working for two reasons!
Reason #1 - Trim Tab is giving bad information shutting off the (SW2,engine tank switch), closes you get a pump on command.
Reason #2 - (SW2,engine tank switch) is not working properly.

Rodbolt17:
So what should my tach look like if the (SW2,engine tank switch) is not working properly. (first bar Blank, second bar solid, third bar blank)? for SWB open OR the circuit is bad you get a center bar AND NO automatic transfer. or does it look different.
I currently have left solid, middle blinking, right blank.
I would like to get the gauge to tell me before jumping wires if its not my trim tab.

I will check the trim tab tonight!

[rodbolt17]

trim has no affect on oil transfer from 1996 and up.
middle bar blinkings means the ECU sees NOT enough oil in the remote for automatic transfer.
either SWB has failed or a circuit connection is open.
see how easy this is?

[chuckmead]

Recape:
so if the remote oil tank is reading low the automatic pump will not turn on to prevent pumping air or pump burnout! got it!
So I need to see why the the remote tank is reading low/no oil.
So I will disassemble the remote tank float switch and see what is going on.
Reason #1 - Remote Float switch is stuck at the bottom.
Reason #2 - Remote Float switch is not reading the oil level of the float.

[chuckmead]

Okay its Midnight.
I race offroad desert race cars and I have built 3 race cars and this is crazy.
I went to logic mode!!!
I have twin outboards, i took all sensors and oil tanks from the working oil pump motor and put it on the non oil pump working motor.
No Go, same problem.
After all that I found the trim sensor was stuck at the tilted location with the plastic cam broken.

I pushed the trim sensor to the down location and the pump kicked on and started pumping automaticaly. Are you kidding me.
A little piece of plastic trim cam that can be broken by UV rays can keep a $16,000 outboard and a $80,000 boat and risk the life of four passengers in rough seas!!!!
My trim sensors do not retract back due to light corrosion, I am deluting them in WD-40 hoping they will free up since the replacements are $132 each
Thank you guys, it took both to figure the items out.
Where do i send my personal checks!!

[99yam40]

Hard to believe a 2003 uses the trim to stop oil.

Are you sure of the year?
Post the motors model #s that are on the brackets

[rodbolt17]

1996 and above 2.6L motors dont use trim for stopping oil transfer.
the 2.6L from 96 up use a pulser coil signal just like all the 3.1L motors.
with engine off and key on NO automatic transfer will occur.
exception being if the engine tank is low enough to set the alarm and the remote tank is full.
trim cam was NOT your problem.
trim cam has NOTHING to do with middle bar flashing.
middle bar flashing means either SWB is open or a wire broke.
precision blend is the name yamaha gave their oiling system.