Can someone help identify these solenoid in my transmission. Inside the Trans oil pan. Need to find out which is the 2-4 brake duty, Pressure Solenoid, ATF sensor, AWD Solenoid and etc.

i have 2 pdf files erom a esm which may help. send me a pm with email address and i'll send them along.

 

pm sent.

John,

 

my email is beemae@yahoo.com. Do you by chance know what each solenoid resistance reading should be at???

Acn you handle a 14,000 KB email, I have a manual form a 2002 Imprezza if that would help.

1- Lock Up Duty

2- Line Pressure

3- Low Clucth Timing

4- Shift Solenoid 2

5- Shift Solenoid 1

6- 2-4 Brake Timing Solenoid

7- 2-4 Brake Duty Solenoid

Thanks nipper.

 

So where is the AFT Temp Sensor located at ???

Edited March 13, 200917 yr by 2000impreza

The thing on the end of the brown plug.

Nipper,

 

Also do you know what each of these solenoid resistance reading should be at??

 

Thanks, you guys been allot of help.

For that i have to send you the manual, as they speak of voltages and it is sort of spread out all over the manual.

have you double checked the trouble code for your trans. i'm not suire 76 is a valid code.

Edited March 14, 200917 yr by johnceggleston

I was able to find 76. It's the 2-4 brake duty solenoid. Got from alldata DTC codes

have you double check the trouble code for your trans. i'm not suire 76 is a valid code.

 

 

That was easy to find. 76 is the 2-4 brake timing solenoid. It is detecting either an opne or a short circuit.

 

FOund it resistamce is 10-16 Ohms. Signal from the TCU should be higher then 9 volts. The proper way to test the output requires getting the car up to 40 mph. It seems like something straight forward to check as far as no surprises in the circuit.

 

nipper

Nipper,

 

Which pin # on connector B54 should I use to measure the 9 volts. For that I have too drive the vehicle up to 40 mph to get the proper reading on the TCU connector on B54??

how big is your mailbox?

you can send to my email::: beemae@yahoo.com

 

From the reading do you think that the (Line Pressure, and the 2-4 Brake Duty Solenoid) is broken. So would this be the reason why I am getting the "AT OIL TEMP" light flashing. There was no cut or broken lines to these Solenoid.

 

I was able to do the resistance measuring:::

 

1.) Lock Up Duty- 12.5

2.) Line Pressure Duty Solenoid- O.L

3.) Low Clutch Timing- 12.8

4.) Shift Solenoid #2- 12.7

5.) Shift Solenoid #1- 12.7

6.) 2-4 Brake Duty Timing Solenoid- 12.8

7.) 2-4 Brake Duty Solenoid- 3.1

8.) AFT Temp Sensor- 12.6

2.) Line Pressure Duty Solenoid- O.L

Should be about 3 ohms. OL stands for 'OverLoad', and usually indicates an open circuit when the meter is on a resistance range. If that's what your meter reads when the leads aren't connected when measuring ohms, then that solenoid coil is apparently open. However, it would correspond to an AT code of 75, not 76.

 

 

7.) 2-4 Brake Duty Solenoid- 3.1

Assuming that's 3.1 ohms, it's a normal reading (has same resistance spec as for the Line Pressure Duty Solenoid).

 

 

8.) AFT Temp Sensor- 12.6

Since the ATF Temp Sensor changes resistance with temperature, the reading will naturally depend on temperature. However, 12.6 ohms seems way too low. Perhaps you measured something else, or you didn't include a resistance scale multiplier in what you reported. Can you recheck the temp sensor resistance?

 

 

The rest of the readings are within tolerance.

OB99w,

 

How I did the resistance measurement for the Line Pressure Solenoid. Was I pull the clip off the Line Pressure Solenoid and Positive Terminal on the solenoid, and Grounded it on chasis Ground. Reading was O.L

 

Did every single one the same way, and got 12.5-12.8, 2-4 Solenoid was 3.1ohms. "Except for the Line Pressure Solenoid".

 

I think I should still get the same resistance as 2-4 solenoid but got O.L. As you stated it should be the same as 2-4 solenoid.

any progress on this repair?

Just order the LINE PRESSURE DUTY SOLENOID. Well see what happens after i replace the solenoid.