Ford

Have Ford Questions? Ask a Mechanic for Answers ASAP

Ask an Expert,
Get an Answer ASAP!

Ford
This answer was rated:

99 ford f350: reprogrammed..diagram..glow plug wiring

99 ford f350 73 diesel code670,683,540 codes...
99 ford f350 73 diesel
code670,683,540
codes for 2000 up not for 1999
does not have miah for code 540
vehicle has original computer reprogrammed by ford 2002 to f81k -dk
original was dfcustomer states no other programming was done
how can this vehicle show a code for equipment that does not exist?
alsowiring diagram of vehicle has parts of both 1999 and 2000
is california vehicle but glow plug wiring is federal 2000
intake/fuel heater is california 1999 using mitchell diagrams
suggestions?
Show More
Show Less
Ask Your Own Ford Question
Answered in 5 hours by:
11/6/2010
david
david, Auto Service Technician
Category: Ford
Satisfied Customers: 1,501
Experience: Certified Master Technician,Certified in diesel & gasoline engines
Verified

david :

Hi thank you for your question hope this helps.

david :

P0670 = Glow Plug Module Control Circuit
P0683 = Glow Plug Control Module to PCM Communication Circuit
P0540 Intake Air Heater "A" Circuit


david :

OK lets start with the glow plugs. This is the test steps, But I have found this problem solved by changing the GPCM. (Glow Plug Control Module)

DTC P0683 is set when the PCM detects an open or short to ground or power diagnostic line.
Possible causes:
open diagnostic line
diagnostic line shorted to ground or power
faulty PCM circuit
faulty GPCM circuit
Perform KOER On-Demand Self Test and retrieve/clear continuous DTCs.
Is DTC P0683 present? Clear DTCs and retest, make sure there is no DTC P0670 present. If DTC P0670 is present, perform DTC P0670 pinpoint test sequence and fix problem before performing DTC P0683 pinpoint tests.
Yes GO to QB12 .
No END test if no further glow plug DTC detected.

QB12 CHECK FOR OPEN IN DIAGNOSTIC LINE
Key off.
Disconnect wiring at PCM and GPCM.
Connect breakout box; leave PCM harness disconnected.
Check resistance between PCM test pin 8 and GPCM test pin 9 at GREEN connector.
Is the resistance greater than 5 ohms? (Typical resistance value is less than 1 ohm.)
Yes REPAIR open in circuit 1277 (WH/LG). RESTORE system. CLEAR DTCs and RETEST.
No GO to QB13 .

QB13 CHECK FOR SHORT TO POWER IN DIAGNOSTIC LINE
Key on, engine off.
Measure voltage between PCM test pin 8 and ground.
Is the voltage greater than 5 V? (Typical voltage should be 0 V.)
Yes REPAIR short to power in circuit 1277 (WH/LG). RESTORE system. CLEAR DTCs and RETEST.
No GO to QB14 .

QB14 CHECK FOR SHORT TO GROUND IN DIAGNOSTIC LINE
Key off.
Connect PCM and GPCM.
Key on, engine off.
Measure voltage between PCM test pin 8 and ground.
Is the voltage a constant 0 V? (Diagnostic signal that is not shorted to ground is a pulse train; 0 V - 12 V.)
Yes REPAIR short to ground in circuit 1277 (WH/LG). RESTORE system. CLEAR DTCs and RETEST.
No GO to QB15 .

QB15 CHECK GPCM CIRCUIT
Install breakout box.
Make sure PCM and GPCM are connected.
Set up scan tool as follows:
choose digital measurement system
choose frequency meter
choose level and change to 6-V scale
connect only the scan tool signal to PCM breakout box pin 8 (GPCM Diagnostic input)
Disconnect EOT sensor connector, (this will maximize the glow plug ON time).
Key on, engine off.
Measure frequency at PCM breakout box pin 8, (take the measurement when frequency stabilizes, approximately five seconds).
Is the frequency in the range of 5 to 10 Hz? (Typical frequency for diagnostic signal with all plugs functioning is maximum 7 Hz. Typical frequency for the signal with one or more glow plugs failed is maximum 15 Hz.)
Yes INSTALL a new PCM. RESTORE system. CLEAR DTCs and RETEST.

No INSTALL a new GPCM. RESTORE system. CLEAR DTCs and RETEST.

david :

P0540



CONDITIONS FOR SETTING THE DTC
The heater line voltage is more than 8.1 volts with the relay OFF.
OR
The heater line voltage is between 3.8-8.1 volts with the ignition OFF.
AND
The heater line voltage is less than 0.5 volt below battery voltage with the ignition ON.
OR
The heater line voltage is less than 3.8 volts with the relay OFF.
AND
The reference line voltage is low with the relay OFF.


david :

With the P0540 I would check all the wire connections and wires for brakes.

david :

I am looking at the wire diagram it shows the Intake Air temp sensor bit not seeing the heater.

david :

Are you getting power to the heater the?

david :

Let me know

Customer:

this would help if vehicle had the heater for the 540 code it does not

Customer:

i agree that replacing gpcm helps but has older or federal style that looks like a ford stater solenoid

Customer:

and have verified that this starter solenoid works please read entire original text

Customer:

codes are for equipment that does not exist on a 99 expecialy the 540 code which should not even be able to come up

Customer:

this vehicle does not have a miah (mainfold intake air heatet)

Customer:

it has a fuel heater







































































david
david, Auto Service Technician
Category: Ford
Satisfied Customers: 1,501
Experience: Certified Master Technician,Certified in diesel & gasoline engines
Verified
david and 87 other Ford Specialists are ready to help you
Ask your own question now
Ask david Your Own Question
david
david
david, Auto Service Technician
Category: Ford
Satisfied Customers: 1,501
1,501 Satisfied Customers
Experience: Certified Master Technician,Certified in diesel & gasoline engines

david is online now

A new question is answered every 9 seconds

How JustAnswer works:

  • Ask an ExpertExperts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional AnswerVia email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction GuaranteeRate the answer you receive.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

AlvinC answered a question about my Ford truck that only someone with an in-depth knowledge of his subject would have known what was going on.

Rich DUSA

Because of your expertise, you armed me with enough ammunition to win the battle with the dealer. They are installing a fuel filter and fuel pump at no charge to me.

MollyUSA

I needed help with my car on Saturday morning....got a response in 5 minutes, and it was the perfect solution. Thanks again to your service.

Jason V.Kirkland, WA

I do know, after going though this with JustAnswer, that I can somewhat trust my mechanic but I will always contact you prior to going there.

BRNew Jersey

I would (and have) recommend your site to others I was quite satisfied with the quality of the information received, the professional with whom I interacted, and the quick response time. Thanks, and be sure that I'll be back whenever I need a question answered in a hurry.

Stephanie PElm City, NC

used your service this weekend with "Trecers" help. thank you ,thank you, thank you. replaced an A/C fan motor. Local Auto Zone had part. $15.00 "tracer" fee and $40.00 for parts, I saved several hundreds of dollers at a shop. i will recommend you and use you in the future.

David L.Richmond, TX

9 dollars, 2 hours of my time, and I drove away. Your diagnosis was right on the mark. Thank you so much.

PhilMarysville, CA

< Previous | Next >

Meet the Experts:

Ron

Ron

ASE Certified Technician

24,320 satisfied customers

23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs

Chris (aka- Moose)

Chris (aka- Moose)

Technician

28,139 satisfied customers

16 years experience

John Mc

John Mc

Ford Technician

5,495 satisfied customers

19 years Ford Lincoln Mercury experience

Chuck

Chuck

ASE Certified Technician

1,685 satisfied customers

33 Years Experience,Ford Senior Master,ASE Master,L1 Advanced Engine Performance

Cam

Cam

Journeyman Automotive Technician

10 satisfied customers

GM Grand Master Technician 2007. 14 years Automotive experience.

Richard

Richard

ASE Certified Technician

1,524 satisfied customers

12 years at a Ford Lincoln/Mercury and Jaguar dealer as a technician and shop foreman.

Mike V.

Mike V.

Auto Service Technician

1,380 satisfied customers

25 years experience on all makes and models, Licensed NYS Inspector.

< Previous | Next >

Related Ford Questions
E350: Can't seem to find the fuel pump inertia switch on our
Can't seem to find the fuel pump inertia switch on our 95 E350 passenger van/bus. Can't locate it by the brake peddle or behind the cover by the passenger kick pannel. There is a large electrial junct… read more
Chris (aka- Moose)
Chris (aka- Moose)
Technician
Vocational, Technical or Trade School
28,139 satisfied customers
1990 Ford F250: the fuel pump relay, and the fuel pump..front tank
I have a 1990 Ford F250. I have changed the tank transfer switch, the fuel pump relay, and the fuel pump in the front tank and still have no power to the front pump. Can you help?… read more
Arench
Arench
President
CT State GED w/ Honors
1 satisfied customers
Having a ground issue with starting. It is not the starter
having a ground issue with starting. It is not the starter as that is okay. need to know other possibilities. ignition turns over starter and then everything goes dark. … read more
AMEDEE
AMEDEE
AUTOMOTIVE TECHNICIAN
Vocational, Technical or Trade Scho
9,105 satisfied customers
I have changed my starter, starter switch and solenoid on
I have changed my starter, starter switch and solenoid on fender. I have been looking at shat I have done already to make sure it is done properly. The question I have is on the solenoid on the fender… read more
APenland
APenland
Ford Senior Master Technician
Associate in Industrial Management
3,186 satisfied customers
The brake pedal went to the floor but the brake reservoir is
the brake pedal went to the floor but the brake reservoir is still full … read more
Mike V.
Mike V.
Auto Service Technician
High School or GED
1,380 satisfied customers
No power to starter solenoid/ starter. Starter & solenoid
No power to starter solenoid/ starter. Starter & solenoid are new. Starter relay switch is good, battery is good. 50 amp starter fuse is good … read more
AMEDEE
AMEDEE
AUTOMOTIVE TECHNICIAN
Vocational, Technical or Trade Scho
9,105 satisfied customers
Turn the key and no starter noise or click. Battery is not
turn the key and no starter noise or click. Battery is not dead took it our charged but was not dead … read more
David Craig
David Craig
OWNER/MECHANIC
Associates
4,429 satisfied customers
It's not getting anything to the starter. None. 2000 Ford
It's not getting anything to the starter JA: When you turn the key, do you get a single loud click, or a series of rapid ones? Customer: None JA: What is the model/year of your Ford? Customer: 2000 Fo… read more
Chris (aka- Moose)
Chris (aka- Moose)
Technician
Vocational, Technical or Trade School
28,139 satisfied customers
My starter won't disengage even after the battery AND
My starter won't disengage even after the battery AND solenoid have been unhooked. There is a spot on my ground strap that has been burned and is only half the width it was when I bought it (like it w… read more
Chris (aka- Moose)
Chris (aka- Moose)
Technician
Vocational, Technical or Trade School
28,139 satisfied customers
We have just installed a new starter and it will not turn
We have just installed a new starter and it will not turn over. We have check the power and it is getting power. … read more
AMEDEE
AMEDEE
AUTOMOTIVE TECHNICIAN
Vocational, Technical or Trade Scho
9,105 satisfied customers
Remote car starter question I have a remote starter — OMEGA
remote car starter questionI have a remote starter — OMEGA is the brand serial number RS-330-eI dont know how many times and if there are any pauses in the routine for starting the car.It doesnt work … read more
sprinkles08
sprinkles08
Technician
High School or GED
11 satisfied customers
New starter new battery starter won't turn over. Rapid. 95
Yes starter good battery good ignition switch good … read more
HDGENE
HDGENE
Master Technician/Lead Technician
Associate Degree
2,835 satisfied customers
My ford 2000 pickup diesel engine replaced the starter with
my ford 2000 pickup diesel engine replaced the starter with Napa new it started yesterday but today nothing … read more
Chris (aka- Moose)
Chris (aka- Moose)
Technician
Vocational, Technical or Trade School
28,139 satisfied customers
Looking for the starter relay. Like 102,000 wont start at
I checked the battery, checked the starter, checked all the relays, checked all the fuses. Hooked a volt meter to the starter and no power at all. I just want to know where the starter relay is. I looked everywhere all over the firewall chased cable after cable. … read more
6Bucs
6Bucs
Senior Master Tech
Associate Degree
3 satisfied customers
Engine won't crank over, replaced starter,neutral safety
Engine won't crank over , replaced starter,neutral safety switch,blown fuses,checked & replaced starter relay,no broken wires.ignition key won't crank over. … read more
David Craig
David Craig
OWNER/MECHANIC
Associates
4,429 satisfied customers
Remote starter stopped working. Oem starter of ford. Code is
Remote starter stopped working. Oem starter of ford. Code is B1600. It attempts to start but anti theft or PATS or key signal prevents it… read more
HDGENE
HDGENE
Master Technician/Lead Technician
Associate Degree
2,835 satisfied customers
Good battery new starter still seem that starter will not
good battery new starter still seem that starter will not ingage … read more
Eric
Eric
Auto Technician
589 satisfied customers
Turn key, starter turns engine does not start. key/starter
turn key, starter turns engine does not start. key/starter seem to stay engaged as well few a few seconds with hands off. … read more
Jaybird61
Jaybird61
Master Automotive Mechanic
2,240 satisfied customers
Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Show MoreShow Less

Ask Your Question

x