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Old 04-29-2012
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Default 2004 115 TLRC oil control unit testing

When testing the oil control unit to see if it is working properly do I need to have the motor running or will having the ignition on work for testing? Pretty much my motor isn't transferring oil from the remote tank to the powerhead tank on it's own. I can use the manual transfer switch to transfer oil to the powerhead tank. Under the troubleshooting flow chart is says to touch the brown and ground wire together, which should transfer oil and continue to transfer oil until you touch the white and ground together. But it doesn't specify if the motor needs to be running when performing the test.
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Old 04-29-2012
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I noticed the same thing with my 150 yammis the oil did not pump to the motor oil tank until the engine was running.
They normally also kick in just for a couple of seconds when turning the key on then shut off before cranking.
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Old 04-29-2012
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Quote:
Originally Posted by Twin 150's View Post
I noticed the same thing with my 150 yammis the oil did not pump to the motor oil tank until the engine was running.
They normally also kick in just for a couple of seconds when turning the key on then shut off before cranking.
Mine doesn't transfer on it's own at all. I have to manually do it. Just trying to find out if it's the sensor or the control unit following the troubleshooting flowchart.
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Old 04-29-2012
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easy way?
drain the engine oil tank.
make sure the remote tank is at least 1/2 full.
turn on the key.
you now should have an alarm,3 bars flashing on the tach and 180 seconds of transfer.
if switch SWB,remote tank level, is bad or the wiring is bad NO automatic transfer will ever occur and the center bar or yellow lamp is illuminated.
that enine you can test the engine oil tank switchs with key on engine off UNLESS it has the updated oil control module that has a green/white wire going to the pulser coils.
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Old 04-29-2012
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Quote:
Originally Posted by rodbolt17 View Post
easy way?
drain the engine oil tank.
make sure the remote tank is at least 1/2 full.
turn on the key.
you now should have an alarm,3 bars flashing on the tach and 180 seconds of transfer.
if switch SWB,remote tank level, is bad or the wiring is bad NO automatic transfer will ever occur and the center bar or yellow lamp is illuminated.
that enine you can test the engine oil tank switchs with key on engine off UNLESS it has the updated oil control module that has a green/white wire going to the pulser coils.
No green/white wire, just white, brown, black and red.

When you say switch are you referring to the control unit?
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Old 04-29-2012
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do you have a factory yamaha tachometer?
if so does it have lamps,arrows or bars for oil indicate?
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Old 04-29-2012
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Quote:
Originally Posted by rodbolt17 View Post
do you have a factory yamaha tachometer?
if so does it have lamps,arrows or bars for oil indicate?
I have factory gauges with bars on them. I already know it's not auto transferring. I'm just trying to determine if the faulty part is the $75 oil level sensor on the power head or the $260 control unit.

All I really needed to know was if I needed to have the motor running to perform the test which you have already answered for me
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Old 04-29-2012
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with the key on engine off are all three bars lit?
if swb has failed OR the wireing is bad it will flash/illuminate the center bar and NO automatic oil transfer will occur,ever.
all the oil control module does is switch the ground,on or off, for the transfer pump.
all the emergency switch does is apply the ground manually.
SWB MUST be in the circuit and the switch closed or NO automatic transfer can occur never no how no way aint gonna happen.
wont be the first time I ever saw modules and engine tank switchs replaced over a SWB circuit fault.
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Old 04-29-2012
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What is SWb acronym for?
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Old 04-29-2012
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beats me but yamaha labels the remote tank swicth as SWB.
the engine tank swtchs are labeled SW1 SW2 and SW3.close SW1 and the oil control unit commands pump stop,close SW2 and the control module applies the ground path for pump on,close SW3 and a second pump on command is generated,rpm reduction is commanded,visual and audible is commanded.
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Old 09-09-2013
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Default where to buy oil control unit.

We've had similar problems with our oil control unit and have determined the issue is the unit itself, can anybody point me to where I can buy a control unit. The local dealer wants $730 in australia...
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Old 09-14-2013
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Default swb

hi,where would the most likely location for swb wiring fault be,where would u start to look,i have a intermittent over filling of main tank,cheers paul.
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Old 09-15-2013
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if the engine tank is overfilling SWB is NOT your issue.
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Old 09-16-2013
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Default swb

thanks rodbolt17
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