Question about 1992 Ford F150 SuperCab

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WANT CRANK. NO DATA FROM COMPUTER. - 1992 Ford F150 SuperCab

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  • Dale Long May 11, 2010

    When you say won't crank, do you mean it isn't turning over at all or it just won't start?

  • Dave  C
    Dave C May 11, 2010

    Want crank?

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  • Master
  • 532 Answers

Probably a worn out starter,try hitting it with a hammer and see if it tries to turn over,if so replace the starter

Posted on May 08, 2009

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Posted on Jan 02, 2017

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2006 explorer dies did crank and crank replaced fuel pump and starter now when starting instrument pannel goes blank


The first thing to do would be to have it checked for DTC'S - diagnostic trouble codes . Not at auto zone , thier diagnostic system can not pull codes from BCM - body control module or from the instrument cluster . Are you familiar with C.A.N . - controller area network ? All the control modules on your vehicle talk to one another on a serial data bus or network . Your vehicle has a number of these modules , PCM - engine computer , SJB - smart junction box , air bags , ABS , An someothers . All the instrument gauges and the lighting happen over this data bus .
How to Diagnose Controller Area Network CAN Your best bet mite be to take it to the dealer or some other qualified repair shop .

Apr 01, 2017 | 2006 Ford Explorer

2 Answers

2001 buick century stalled without warning. tried to restart, but wouldnt crank, no fuel pump noise, no click. had power to radio, heater fan, flashers but not dashboard lights (prndl, fuel gauge).


Make sure battery has a full charge and battery connections all good. Check fusible links where applicable. Any component that doesn't work and is fuse protected, not only check the fuse, check the fuse circuit for voltage, use a test lite.
The wiring diagram is for starter circuit, you can see the fuses. Any testing for starter motor, make sure tranny is in park or neutral and parking brake is set. It is possible to jump crank relay to see if starter motor will crank, but, that doesn't mean it will start. Make sure vehicle can't move.
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Nov 21, 2016 | 2001 Buick Century

1 Answer

How do you replace the ignition switch on a 2002 buick century?


What do you mean no sound when turning key ? Does the car start an run ? Or the car doesn't crank ? Ignition switch's do not work the same way they did in the old days , especially on GM vehicles . The ignition switch is an input to the BCM - body control module , the BCM processes these inputs an then energizes relays to turn things on . Also sends messages to other modules for them to turn on or energize relays .
The power mode signal may be as simple as a B+ input wired to a particular ignition switch contact. If this is also the B+ supply to the module/device, the module/device will only operate with the ignition contact closed to B+. An example of this is the starter relay when it is wired directly to the CRANK/START contact of the ignition switch. When the CRANK/START contacts are closed, the starter relay is energized and provides a current source to the starter and starter solenoid. When the ignition switch leaves the CRANK/START position, the switch contacts open and the starter relay is de-energized. This removes the current source from the starter and solenoid and the starter operation stops.
Serial Data Power Mode
On vehicles that have several control modules connected by serial data circuits, one module is the power mode master (PMM). On this vehicle the PMM is the Body Control Module (BCM). The BCM receives 4 signals/circuits from the ignition switch. These are the Ignition 0, Ignition 1, Crank and Accessory 1 ignition switch signals/circuits.
To determine the correct power mode the BCM uses:
?€¢
The state of these signals/circuits, either switch closed (B+ = 1) or switch open (open = 0)


?€¢
The sequence of switch closures received by the BCM


?€¢
The status of the engine run flag.


Important: Any ignition switch states not covered in this table indicates a DTC setting situation.
The chart indicates the modes detected and transmitted by the BCM:
Power Mode Selected/Expected
Engine Run Flag Serial Data
Sampled Ignition Signal State
Power Mode State
Accessory
Ignition 0
Ignition 1
Crank
OFF-LOCK
0
0
0
0
0
OFF
Accessory
0
1
0
0
0
ACCESSORY
RAP
0
1 to 0
0
0
0
RAP
OFF-UNLOCK
0
0
1
0
0
UNLOCK
RAP
0
1 to 0
1
0
0
RAP-UNLOCK
Run
0
1
1
1
0
RUN
Crank
0
0
1
1
1
CRANK
Crank
1
0
1
1
1
CRANK
Run
1
1
1
1
0
RUN
Fail-safe Operation
Since the operation of the vehicle systems depends on the power mode, there is a fail-safe plan in place should the BCM fail to send a power mode message. The fail-safe plan covers modules with discrete ignition signal inputs as well as those modules using exclusively serial data control of power mode.
Serial Data Messages The modules that depend exclusively on serial data messages for power modes stay in the state dictated by the last valid BCM message until they can check for the engine run flag status on the serial data circuits. If the BCM fails, the modules monitor the serial data circuit for the engine run flag serial data. If the engine run flag serial data is True, indicating that the engine is running, the modules fail-safe to "RUN". In this state the modules and their subsystems can support all operator requirements. If the engine run flag serial data is False, indicating that the engine is not running, the modules fail-safe to "OFF-AWAKE". In this state the modules are constantly checking for a change status message on the serial data circuits and can respond to both local inputs and serial data inputs from other modules on the vehicle.
Discrete Ignition Signals Those modules that have discrete ignition signal inputs also remain in the state dictated by the last valid BCM message received on the serial data circuits. They then check the state of their discrete ignition input to determine the current valid state. If the discrete ignition input is active, B+, the modules will fail-safe to the "RUN" power mode. If the discrete ignition input is not active, open or 0 voltage, the modules will fail-safe to "OFF-AWAKE". In this state the modules are constantly checking for a change status message on the serial data circuits and can respond to both local inputs and serial data inputs from other modules on the vehicle.
You probably won't understand any of this info. your best but would be to take it to a qualified repair shop that has proper diagnostic test equipment !

Sep 29, 2016 | Buick Cars & Trucks

1 Answer

I need to know if my Ford truck has what is called a crank sensor? If it does, I would also like to know how the truck would run if this sensor was malfunctioning?


Depending on what uear...yes it has one. If it runs at all it would run very poorly. The engine timing is determined by data from various sensors including the crank sensor. Without that data the computer cannot correctly control fuel injector and spark timing.

Sep 02, 2016 | 1987 Ford Ranger

1 Answer

PO315 Code?


You tell us why they could not clear data

You clear all data,not just one code

The code came back because that system
was not repaired yet & now the shop wants to
get away from your car & work on easier money
making jobs

If you google your PO315 --- the shops really don't
have to go to their data base, as there is info on the problem
on the internet

They either never found the real issue or put one in the car

I think they ran out of knowledge

You appear to still have CPS issues

They could not clear the code because the computer
can not recognize the crank sensor

You & I can see some of the possibles on the computer,
why can't a shop

Scan tool data would show all sorts of issues

They never road tested or looked at data-- to confirm any
work they did

Read the info on that code PO315 for a chevy


You do not give back a vehicle until you drive it 20 miles
or more & all but the Evap Monitors runs & you have no
OBD Codes in memory & confirm your work

Need a better shop for sure

Aug 17, 2014 | Cars & Trucks

1 Answer

Replaced transmission pump, got it put back, cranked it, then it died while idling. now it won't crank. any ideas?


NO BUS IN CHRYSLER MEANS YOU HAVE PROBLEM WITH ECU(ENGINE COMPUTER) OR DATA LINE DISCONNECT THE TRANSMISSION COMPUTER AND WIRING TO TRANS SEE IF IT COMES BACK IF YES PROBLEM IS IN YOUR TRANS OR TRANS COMPUTER (TCM)

Aug 29, 2017 | 2000 Dodge Ram 1500 Truck

1 Answer

2003 oldsmobile alero turns but will not start


Sounds like the computer is dead, or not getting a signal from the crank sensor.
Can you check the crank sensor with a meter, or use a scanner to check data input to the computer ?

Feb 27, 2013 | 2003 Oldsmobile Alero

1 Answer

98 K1500 4X4 5.7 - CRANK, NO START, FUEL SAMPLE IS CLEAN, PRESSURE SEEMS O.K. THOUGH I HAVE NOT MEASURED IT. 12V AT THE COIL AND DISTRIBUTOR (BOTH NEW) AND NO CODES. I STARTED THE TRUCK AND RAN IT FOR A...


Crank sensor ? Power an grounds for the VCM engine computer . CHECKED ALL THE FUSES 3X ,What's this ??? Five volt reference voltage circuit in VCM , Did you check this ? Do you know what the five volt ref. circuit is ?Is there B+ voltage to ICM - ignition control module ?
047 Engine Hard to Start or No Start Scan Data for Ignition
This is the easy way ,viewing scan data .

Jul 30, 2017 | 1998 Chevrolet K1500

1 Answer

It wont crank over, Have changed the crank censor, knock censor and body modual censor still wont work . If I diconnent the battery and main computer for a few min. it will start but once it is turned off...


Without test main componets on the vehicle we would only be guessing . Doing electrical checks , hooking up a professional scan tool an viewing engine data etc. your best bet ,take it to a qualified repair shop . Spend the money for an hour diagnostic time .That is unless you like guessing an just replacing parts
047 Engine Hard to Start or No Start Scan Data for Ignition
048 Engine Hard to Start or No Start Scan Data for Starting Problems

Sep 06, 2017 | 2005 Pontiac Montana

1 Answer

We need to reset the computer on a 2003 Oldsmobile Alero


HI there if the scan tool you are using will not reprogram the theft module the try the 10 min relearn

  1. Turn ON the ignition, with the engine OFF.
  2. Attempt to start the engine, then release the key to ON (vehicle will not start).
  3. Observe the SECURITY telltale, after approximately 10 minutes the telltale will turn OFF.
  4. Turn OFF the ignition, and wait 5 seconds.
  5. The vehicle is now ready to relearn the Passlock™ Sensor Data Code and/or passwords on the next ignition switch transition from OFF to CRANK. Important: The vehicle learns the Passlock™ Sensor Data Code and/or password on the next ignition switch transition from OFF to CRANK. You must turn the ignition OFF before attempting to start the vehicle.
  6. Start the engine. The vehicle has now learned the Passlock™ Sensor Data Code and/or password.
  7. With a scan tool, clear any DTCs if needed. History DTCs will self clear after 100 ignition cycles

Apr 10, 2009 | 2003 Oldsmobile Alero

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