Question about 1993 Toyota Previa

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No electrics working

No ignition lights.total loss of all electical components.all power dead but has new battery.

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  • gila_appleby Apr 21, 2009

    My '93 Previa's battery goes dead if the car is not driven for a few days, even though the battery is new. I wonder how long it should take a mechanic to find the source of the problem?

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Bad battery connection?

Posted on Mar 19, 2009

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Could be the new battery is dead, from something in the vehicle draining it.charge up the battery and see what happens.Also could be the alternator is not charging the battery while vehicle is running.

Posted on Jan 27, 2009

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I was driving my lr2 and heard load beep then all instraments went dead on dash, radio and rir still work but when i stopped and put in park throtle stopped working and can not shift out of park.


It sounds like you have a dead battery or a total loss of power in the electrical system, this would be an issue that will require some special testing.

Sep 20, 2016 | 2008 Land Rover LR2

1 Answer

Totally dead


Apparently you didn't have a comprehensive insurance policy where it could be declared a total loss? That would have been your best option. You may have lingering effects that will be difficult to overcome. Just think, every electrical connection not sealed with a weather-tight seal is subject to corrosion and failure.
The only place to begin is at the power distribution block. It should be removed and thoroughly cleaned. All relays should be suspect-sometimes water can get in them through a tiny crack. Get a couple of cans of CRC electronic cleaner spray, and clean and spray all electrical contact points. Get the box all back together and see if power is restored. Did any water get inside the car and up under the dash? More problems to be encountered there. Sheesh, guy, I think I would consider another car, and keep yours for a parts car.
Good luck.

Jan 02, 2013 | 1997 Chrysler Sebring

2 Answers

1999 Crown turned ignition switch to start - heard pop - no electrical power


If nothing works including the lights, something happened between the battery and the fuse box.
There are some fuseable links between the battery and the starter solenoid or between the solenoid and the fuse box.
I'd start with the battery cables and look for those fuseable link wires.

Jul 09, 2012 | 1999 Ford Crown Victoria

1 Answer

While driving, successive loss of power culminating in the engine dying. Lights still working but engine would not start. After 5 minutes everyhing dead. 1 hour later engine starts and works for less...


Sounds like it could possibly be a bad alternator if all the cables are tight and started out with a good battery. Do you have a battery or red charge light? Or, alternatively, is there an absence of this light when the car ignition is on, but the car has not yet been started?

Good luck on this repair.

Dec 18, 2010 | 1991 Toyota Corolla

1 Answer

The computer codes are 121155. What does this mean?


Code retrieval can be accessed by the ignition key or by a diagnostic readout box(DRB).To obtain the codes using the key method,set the park brake,and put the vehicle in Park/neutral.

Some 95 and later OBDII vehicles, you may be able to retrieve OBDII codes with this procedure, if equipped with digital dash:

* Turn the ignition key ON,OFF,ON,OFF,and finally ON again(ENGINE NOT RUNNING)
* The codes will start to flash on the POWER LOSS or CHECK ENGINE light.
* FLASH,pause,FLASH,FLASH=code 12

The codes showed are...


Fault Code 12
Description: Memory standby power recently lost
Power loss light: Off
Limp-in mode: None

Possible Causes:* Battery or power line recently disconnected - This code is normal if the electrical system has been worked on or the battery has recently been disconnected. It will be removed after 15 ignition switch on/off cycles.
* Low system voltage, bad battery or battery terminals - If the system recently had a power drop (due to a dead battery or bad alternator), this code will appear. If the battery terminals are bad and the engine was jumped, this code will appear.
* Bad connection or wiring - Check the wiring and connections between the battery, power module, and logic module (or SMEC). Check all fusible links and power connectors to the battery. Clean and regrease any corroded connectors with dielectric grease and repair any shorts.

Diagnostic Method
Trigger Parameters
- Logic module receives power after previously not having power


Results If Component Fails

Fault code 12 is stored. The logic module is basically telling you that it has lost power and will not remember any previously stored codes or engine sensor table data. The code will be removed after 15 ignition on/off cycles and the logic module will use default values for all look-up tables as a starting point until it "learns" the attributes of the engine.


Fault Code 11
Description: Engine not cranked since last reset or no ignition reference signal detected during cranking
Power loss light: Off
Limp-in mode: None

Possible Causes:
* Engine hasn't been cranked since last reset - Power was removed from the logic module (disconnected or dead battery, etc.) and the logic module has no memory of seeing a signal from the ignition reference sensor. Crank the engine and check for the code again. If the logic module saw a signal, the code will be cleared. This code will not show up if the sensor simply fails. The logic module must be reset and the engine cranked to see if the sensor is working.
* Bad connection or wiring - Check the wiring and connections between the hall effect sensor (located underneath the distributer cap) and the logic module. Check the continuity of the two 3 conductor cables coming out of the sensor--these are prone to fatiguing and breaking inside the insulation where they exit the sensor if the cables are not properly tied down. You may be able to resolder them. Clean and regrease any corroded connectors with dielectric grease and repair any shorts. This code will not show up if the sensor simply fails. The logic module must be reset and the engine cranked to see if the sensor is working (see above).
* Hall effect sensor failure- Check the ignition reference sensor and fuel injector sync sensor cables. They are the two, flat 3 conductor cables coming out of the sensor at the base of the distributer cap. These often fatigue where they exit from the sensor. Upon replacing the sensor, make sure the cables are clipped or tied to the distributor cap shroud (or elsewhere) so they do not swing around. This code will not show up if the sensor simply fails. The logic module must be reset and the engine cranked to see if the sensor is working (see above).

Diagnostic Method
Trigger Parameters
- Computer has been reset
- No signal from the ignition reference sensor has been detected

Results If Component Fails
Fault code 11 is stored and the engine will not start (even if the ignition reference sensor is working). A running engine will stall, but no code will be stored. The logic module must be reset and the engine cranked to see if the sensor is working.


Fault Code 55
Description: End of message
Power loss light: Off
Limp-in mode: None

Possible Causes:
* No further fault codes are stored. If this is the only code received, then there are no codes stored in memory. This code will always be given, even if nothing is wrong. If you do not get this code, then you may not be retreiving the codes properly, or the power loss light may be burnt out. The light should come on for 1 second when the ignition is initally turned on as a bulb test.

Diagnostic Method
Trigger Parameters
- No further codes in memory


Hope helps (remember comment and rated this)

Aug 03, 2010 | 1996 Chrysler Concorde

1 Answer

1993 miata 5 speed engine will not turn over at all, enngine not seized battery new, starter new, lights good, but get nothing when key is turned


What you state is true invest in a new electrical ignition switch that runs off the key cylinder to run power to the starters solenoid. When they go bad the car is totally dead sometimes such as yours. Some will go bad to the starter although other functions may work such as the radio, heater fan, and so on. If your headlights and brake lights work the switch is what you need for the ignition

Jun 12, 2010 | 1993 Mazda MX-5

1 Answer

Absolutely no electrical power in the car


this car needs tested by an autoelectrican to check voltage/or did you just leave a door open/tailgate this in turn leaves a light on and run the battery flat.adrian;;;;

Nov 10, 2009 | 2001 Dodge Stratus

1 Answer

1992 cadillac sedan de ville no electrical power anywhere in car


Check power connection by fuse panels under hood just below the center of windshield

Mar 12, 2009 | 1992 Cadillac DeVille

1 Answer

1998 Camry, turn ignition to On kills electical system


This is a Direct Fault Caused by the Alarm System Starter Kill. Do you have an Alarm Override Switch???? You may need the Dealership to Reset the Alarm if not.

Jan 23, 2009 | 1998 Toyota Camry

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