Question about 1992 Daihatsu Charade

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Wiring diagram i need a wiring diagram for a g102 power supply heating ecu efi system charging and starting

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Posted on Aug 31, 2008

  • Sikande Stewart Aug 09, 2012

    Yes I do. The trans is working fine but the cluster is still out. It is still reading "no bus" Haven't figured yet what to do. I don't want to buy a new cluster if the problem is wiring. Does the ECU need to be reprogrammed?

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6 Answers

Which sensors tell the ECU to send a pulse to the single TBI injector?


You want a simple answer but there is not one. The ECU looks at many things to determine what (if any) pulse is proper. Any sensor which sends no information or info outside of normal limits can prevent pulse. No info from crank/cam sensor is common issue, Bad EFI fuse or relay can do this. Bad ECU ground or other ground (Fuel rail) can do this. Many sensors can be tested with ohm meter.

Mar 27, 2015 | 1994 Geo Metro

1 Answer

Charging diagram


Unless it is ancient or a smart-charging system a diagram is hardly needed.
For years only two wires have been fitted to alternators; a thick one traveling to the battery by a direct route and a thin wire coming directly from the earthy side of the ignition or battery light.

There have been few variations. One notable one was AC-Delco machines older machines used an extra wire to sense the voltage supplied to somewhere behind the dash.

The more recent smart charge systems have an extra clump of wires connecting it to an ECU which controls the battery light and stops the unit charging during acceleration to improve economy.

Feb 21, 2015 | 2001 Dodge Ram 1500 Truck 2WD

1 Answer

Ecm control switch


No switch just EFI relay to supply power to ECM. If your ECM seems like it's not activating other system like fuel pump relay, ignition coil,etc.etc. check that your immobilizer has been disabled. Some immobilizers will disable the ECU totally. Newer models have RFID type keys that needs programming if damaged. Best to scan your car and get the error codes before replacing anything.

Apr 17, 2014 | 2000 Kia Sportage

1 Answer

Does ignition module control fuel


there is no such model on this car.
this car has EFI, in 1992 , the 8 valve has TBI injection and the 16valve G16B had MPI (4 injectors)
both engines the ECU, creates spark at all times.
the input to the ECU is CMP /CKL cam and crank sensors
then the ECU computes ADVANCE and then drives the ignitor
next to the Ign coil. the coil charges and the ECU release this
charge and BAM , mr. Tesla inductive spark. hits the DIZZY.
that is how spark works.

the ECU controls fuel not spark , or better the ECU controls
spark INDEPENDENTLY from fuel;. (with exceptions)
exceptions:
or are you asking about the fuel safety feature built in to all EFI
cars 1988 too now? that is the ECU does monitor Spark
and CMP and CKP and does in fact cut fuel, when the ECU
sees spark missing, yes. It cuts the INJECTORS !

as does , wide open throttle cranking cuts fuel. (injection)
and fuse is (fuel pump) cut after 3 second key on, unless you crank it or runs.

see block diagram here.
http://www.fixkick.com/ECU/EFI.html

Jan 27, 2014 | 1992 Geo Tracker

1 Answer

Fuel system wiring diagram


which engine? 2.5 or 4L ,,, always engine first...... ill post for 4liter.
the first test on all EFI, (varies rules) but here it is.
many cars only have power to the pump cranking and running (ONLY)
(crash and burn rules... dig it?)
so use the meter this time and crank.
fuses first check.

btw, alldata.com has that, login and look, like us.
see schem linked here. its real simple and is online. (goggle)

this EFI pump in 1993, is 100% controlled by the ECU. at all times
Fuse 1, blown kills pump dead.
software (firm) in the ECU controls this.
http://www.fixkick.com/look/odds-ends/jeep/93wrangler-EFI-4L.jpg

if cranking , pump is dead, check coil for 12v, on fuel pump relay
if not 12v across coil, cranking the ECU is bad.
or ECU detects spark loss, again, crash and burn logic in the ECU.

the ecu monitors spark at all times. if bad it cuts fuel
even if spark is GOOD. ! and spark feed back is bad.
that is pin 44 on ECU is dead......... for any reasons.....





Dec 19, 2013 | 1993 Jeep Wrangler

1 Answer

I need wiring diagram for toyota camry 2003 model,ACV30R


We do not have that diagram, you can obtain the wiring diagrams HERE for a small yearly subscription charge

Aug 28, 2012 | 2003 Toyota Camry

1 Answer

1992 saturn sl2 will run if service engine light comes on when turning key to start car. when it does start and run if the service engine light flickers or comes on the fuel pump relay will click and car...


This may just be a problem with the wiring of the car's ECU. It could be a loose wiring. The ECU may be receiving power intermittently. It could also be just an issue with the EFI relay. The ECU signal from the EFI is intermittent causing the flickering and the clicking sound.

Jun 06, 2011 | 1992 Saturn SL2

1 Answer

Why would my ecm fuse blow?


Well if you are lucky the power supply wire to the ecu is shorted to ground and the fuse saved the computer. It could be the computer. Also it could be something the ecu supply's power to shorted to ground. Get a wiring diagram and a ohm meter and start testing.

May 18, 2010 | 1991 GMC Sonoma

1 Answer

The fule injector is not getting any power is there any thing in betwin the ECU and the injector? 1992 suzuki sidekick 1.6 EFI 8V


most fuel injectors have a continuous power supply with the key on. they are controlled on the ground side by the ecm. there is no relay or anything between the ecu and the injectors. there is a lot of wiring though and there are fuses which supply power to the injectors.

Mar 23, 2010 | 1992 Suzuki Sidekick

1 Answer

Could anyone help me find some quick on line resources for 1992 Ford Taurus Wagon 3.8 L Engine Diagrams/ Wireing Schematics etc.


GO TO AUTO ZONE - ADVANCE AUTO - OREILLYS. BUY A HAYNES REPAIR MANUAL.IT HAS WIRING DIAGRAM FOR EACH CIRCUIT.LIKE HEATING + AC CIRCUITS INTERIOR LIGHTS EXTERIOR LIGHTS STARTING + CHARGING SYSTEM WARNING DASH SYSTEM POWER DOORS + POWER WINDOWS + RADIO SYSTEM + CRUISE CONTROL + WINDSHIELD WIPER SYSTEM.ALSO HAS WIRING DIAGRAM FOR ALL THE PCM SENSORS.AND THE PCM ALSO.

Nov 04, 2009 | Ford Taurus Cars & Trucks

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