Code 14, Please support.

[CarlosPTR210]

Hi All,

I have problem with my car after a BHG repair, when the engine is running the AFR is lean, the voltage in Vf1 is always 0.01, If I turn off the engine few seconds and then turn on the engine some times the VF1 voltage change to 1.90~2.0, the AFR change to 13.9 ~ 15.1, but after some time of driving the car begin to hesitate.

Get code 14, I want to know how to test the wiring from the ecu to the igniter.

I don’t know how to rewire because the wire color change from the ECU to the igniter can some help me?

Thanks and regards.

 

[92TealSupra]

TSRM should let you know all the spec's, and how to test.

Sounds like you have a connection problem somewhere :[

http://www.cygnusx1.net/Supra/Library/TSRM/MK3/default.aspx

 

[CarlosPTR210]

TSRM should let you know all the spec's, and how to test.

Sounds like you have a connection problem somewhere :[

http://www.cygnusx1.net/Supra/Library/TSRM/MK3/default.aspx

Some of the tests in the TSRM are a little complicated because I need to buy the 3V batteries :aigo:.

So I have an other igniter and coil packs to change to see if the code 14 fix, but I want to check the wiring from the ECU to the igniter.

Few months ago I already rewire the TPS, KNOCKS, so may be the wires to the igniter are also damage.

 

[4U2QUIK]

hmmmm all this sounds too familiar. Time for a new harness...

 

[CarlosPTR210]

I already find how to check the wiring.

The wiring from the ECU to the 4 Pin igniter connector is good.

Wiring from the igniter to the ignition coil and also are good.

Ignition coil 1: 0.5 Ohms
Ignition coil 2: 0.5~0.6Oms
Ignition coil 3: 0.5~0.6Oms

The ignition coils terminal are not grounded.

Change other igniter and have the same problem.

So after all test the car have the same code 14.

So I don’t know what to do?

 

[CarlosPTR210]

com'n guys need some advice here! :biglaugh:

 

[jetjock]

I'm afraid if you have trouble obtaining a couple of AA batteries and wiring them in series anything I suggest is not going to be helpful...

 

[CarlosPTR210]

I'm afraid if you have trouble obtaining a couple of AA batteries and wiring them in series anything I suggest is not going to be helpful...

MMMM cmo'n just tell some thing, I alredy change the igniter in the mornig(also check the ground) ( so don't need to perform the 3V)and the problem continue, I'll replace the ignition coil tomorrow and also the 3v.

all spark plugs are new.

 

[CarlosPTR210]

I'm afraid if you have trouble obtaining a couple of AA batteries and wiring them in series anything I suggest is not going to be helpful...

by the way, do you think the ecu is good?

 

[jetjock]

Yes

 

[dumbo]

I think he meant to get 3volts, wire a couple of AA's(1.5volts) in series.

 

[CarlosPTR210]

Yes

thats are good news,

Tomorrow morning I'll rewire the IGF wire, perform the test to the two igniters and change the other ignition coils.

Thank's.