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Old 10-02-09, 12:28 PM   #1
mirz833
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Default code 14

My car runs for about 30min then it just turns off and i get a cel so i checked and it turns out to be code 14 which is ignition no. 1 signal is that #1 coil is is it something else help and thank you guys
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Old 10-02-09, 01:16 PM   #2
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code 14 is ignitor signal to ecu missing....have ur ignitor checked on bank 1
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Old 10-02-09, 01:21 PM   #3
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I have an SC400 manual. I'm sure it shares the same code...

I also see other areas with the same code such as:
Diag. Code 14 = Water Temperature Sensor Circuit.
Problem: Open or short in water temperature sensor circuit.
Trouble Area: Water temparature sensor, Harness or connector between water temperature sensor and A/C control assembly, A/C Control assembly.

Also another one in SRS Airbag
Code 14 = Open in squib circuit
Trouble Area: Steering wheel pad (squib), Spiral cable, Center airbag sensor assembly, wire harness. (Airbag warning light = ON)

Found your code (Check engine light code = 14)
Circuit = Ignition No.1 Signal
Diagnostic Code Detecting Condition = No IGF1 signal to ECU for 8-11 consecutive IGT1 signal.
Code No. 14
Fail-Safe Operation = Fuel Cut
Fail-Safe Deactivation Conditions: 1 IGF1 detected in consecutive 8 ignitions.
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Old 10-02-09, 01:21 PM   #4
mirz833
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Quote:
Originally Posted by python View Post
code 14 is ignitor signal to ecu missing....have ur ignitor checked on bank 1
im new to lex so how do i do that
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Old 10-02-09, 01:41 PM   #5
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Default Everything you need to do

Here you go.... Good luck.
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Old 10-02-09, 02:45 PM   #6
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Ok im lost so i know there are 2 coils one on top off the engine the other one on side next to battery. Is the coil one top off the engine #1 coil and the one on the side is #2 coil. Could my problem be just a bad coil once it gets hot it stops working or is it igniter and where would that be located and is there two igniters like two coils. I read the diag. and im kinda lost now it looks to be like a bad #1 coil or bad #1 igniter so where do i go from here bc i can replace d coil but i dont no where igniter is located at help.
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Old 10-02-09, 03:06 PM   #7
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dont just throw parts at it
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Old 10-02-09, 04:19 PM   #8
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So far that's some really good info. Here's some more:

So as we already said code 14 is your ignition signal note making to the cpu. This signal is what tells the CPU a spark has occured. In this case, it is for igniter #1. If the computer doesn't get this signal, then the injectors won't pulse either. It has to happen 8 times in a row for the code 14 to set. Both igniters are located by the passenger fender.

They get their circuit completed through their ground to the body, so make sure you fasten them securely to the vehicle when you test them out.

There are some tests to do to backprobe the igniter and look through a labscope to see a sawtooth, but let's be honest here...you don't have such toys. It can be the igniter #1, the harness to it, the ground, or the computer itself has lost its ability to push out a 5v reference signal (not likely.)
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Old 10-02-09, 04:19 PM
 
 
 
 
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14, circuit, code, ecu, igniter, ignition, lexus, ls400, missing, open, reference, signal, sinal, squib, toecu

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